1.29.0
2024-03-12
Update Content:
1. Anniversary celebration events from 03/16-03/27 (UTC). Please update the game to access.
2. Large-scale cross-region event optimizations
1) Event schedule:
a) Island Raid will return and run once every 2 weeks. Registration for the first round will start on 03/25 (UTC)
b) Dark Seal will be taken down for a revamp after the 03/16-03/17 (UTC) run ends
c) Archipelago Raid will run once every 2 weeks. Registration will start on 03/17 (UTC)
d) The Recovery of Pompeii will run once a week, with registrations opening on Mondays and battles happening on Tuesdays. The available timeslots have also been adjusted.
e) Island Raid and Archipelago Raid will gradually start after the Federation history reaches 28 days
2) Event content:
a) Added Seasonal Shop. Participate in The Recovery of Pompeii, Island Raid, Archipelago Raid, and other events to earn Seasonal Merit, and exchange them for items in the Seasonal Shop;
b) Adjusted Island Raid rewards
c) Increased the Aid Station base rescue rate for Island Raid and Archipelago Raid from 65% to 70%
d) Increased the Crisis Aid healing rate for Island Raid and Archipelago Raid
e) Now only the top 10 Alliances in the region's Alliance Might rankings will qualify for The Recovery of Pompeii
3. Top Commander's "Defeat Enemies" mission will run from Phase 3 until the Challenge Phase, effective from 03/13 (UTC)
4. Armaments now unlock when your region's Federation history is ≥28 days and your Shelter reaches Lv 24
5. Large-scale cross-region event rules and UI optimizations
6. Other bug fixes and optimizations
1.28.2
2024-03-04
Updates:
1. KOF '97 collaboration events
2. New Legendary Rider Hero "The Alluring Ninja" Mai Shiranui
3. Lethal Outbreak, Grand Revival, and Great Hunter are now part of the Wasteland Challenge: Join events and improve your rank to unlock tier rewards and access a larger variety of rare items at the Wasteland Store.
4. New Squad Skin - Anubis
5. New Troop Skin: Ranged Squad - Siren
6. Hero Armament optimizations:
1) Added a secondary prompt when dismantling Armament with high Might
2) Armaments auto-lock when sufficiently upgraded
3) Armament fragments can be crafted in batch from Bag-Armament
4) Armament information are shown on the Hero interface of deployed Heroes
7. The Recovery of Pompeii optimization: After the Pompeii battlefield opens, participating Alliance members cannot leave the Alliance, but non-participants can leave
8. Other bug fixes and optimizations
1.28.0
2024-02-27
Updates:
1. KOF '97 collaboration events
2. New Legendary Rider Hero "The Alluring Ninja" Mai Shiranui
3. Lethal Outbreak, Grand Revival, and Great Hunter are now part of the Wasteland Challenge: Join events and improve your rank to unlock tier rewards and access a larger variety of rare items at the Wasteland Store.
4. New Squad Skin - Anubis
5. New Troop Skin: Ranged Squad - Siren
6. Hero Armament optimizations:
1) Added a secondary prompt when dismantling Armament with high Might
2) Armaments auto-lock when sufficiently upgraded
3) Armament fragments can be crafted in batch from Bag-Armament
4) Armament information are shown on the Hero interface of deployed Heroes
7. The Recovery of Pompeii optimization: After the Pompeii battlefield opens, participating Alliance members cannot leave the Alliance, but non-participants can leave
8. Other bug fixes and optimizations
1.27.0
2024-01-23
Updates:
1. Archipelago Raid optimizations
1) Added Archipelago Hunt to Day 3 of Archipelago Raid. Special zombie armies will spawn in the central zone of the map. Kill them to earn points. Legion bonuses that can be used in Phase II will be given based on the Legion point rankings when the event ends.
2) Optimized matchmaking mechanism: Commander Equipment and Hero Armament will be taken into account.
3) Other optimizations
a) Added push notification for when the Base Warehouse refreshes.
b) Archipelago Raid rankings will be displayed when the event ends.
c) Optimized the Lv 8 Lush Sanctum First Capture Reward. All Commanders of the same faction can receive it.
2. Alliance system optimizations
1) Players can join any region's Alliances.
2) Players can stay in Alliance when immigrating.
3) Players can join events such as Archipelago Raid, The Recovery of Pompeii, and Alliance League regardless of Alliance region.
3. New Legendary Infantry Heroes "Scorched Earth Wanderer" Miyamoto Doichi and "Viking Heart" Riven. Commanders will be able to meet the new Heroes on Jan 29 (UTC).
4. New Squad Skin: Galactic Battleship
5. New Troop Skin: Rider Squad - Hacker
6. Mass Deploy optimization: Added an interval between each deployment when using Mass Deploy.
7. Other bug fixes and optimizations
1.24.0
2023-11-07
Updates:
1. New large-scale cross-server event: Archipelago Raid! In the treasure left on Coco Island, the survivors discovered a map that pointed directly to the distant Bakni Islands. In order to conquer the islands, the Alliances formed larger organizations - Legions - by establishing bonds with each other to launch a large-scale battle. Please update the game to access.
1) Huge map: Brand new archipelago map that allows over 20 Alliances to compete at once.
2) Legion matchmaking: Alliances from different regions form Legions. The number of Alliances in a Legion may vary due to differences in Alliance strength.
3) Special Checkpoints: New special Checkpoints with different access permissions.
4) Alliance Building Materials: New way to collect Alliance Building Materials. Commanders can get Alliance Building Materials on the islands by gathering from Resource Nodes and defeating Armored Scavengers. Obtained materials must be brought back to Shelters to count in the Alliance Warehouse. Squads transporting materials can be plundered by Squads from other Legions. Please protect your Transport Squads.
5) Special Resource Nodes: Special Resource Nodes that grant large amounts of Alliance Building Materials, as well as common resources will spawn.
6) Troop Refund: There will be a larger Hospital capacity and full refund of Aid Station Troops when Phase I ends, allowing Commanders to fight more boldly than ever before in Phase II.
2. New Alliance Journey event. Join an Alliance to embark on a journey of glory!
3. New Squad Skin - Hell Knight.
4. Added Quick Training to Barracks to make training Troops more convenient for players.
5. Adjusted New Immigration Decree event: Commanders will be unable to participate in the region's arena during the restricted period after immigration.
6. Adjusted requirement to chat in the World Channel: The number of free World Channel Chat chances is based on players' VIP level. Additional chances can be purchased with Gems.
7. Other bug fixes and optimizations.
1.23.0
2023-10-10
Updates:
1. New Aid Station feature: Insufficient Hospital capacity and lack of treatment will cause casualties, but the Aid Station can change the fate of Troops on the brink of death. A portion of Troops exceeding the Hospital capacity will enter the Aid Station and be returned periodically.
2. New Night of Resurrection event from 10/28-11/5 (UTC). Please update the game to access.
3. New Squad Skin - Ghost Train
4. Hero Armament optimizations:
a) Added Automatic Honing
b) Optimized Regular and Advanced Honing UI
c) You can choose how many Armament Fragment Choice Boxes to open
5. Alliance Building optimizations:
a) You can remove Garrison Squads from Alliance Buildings
b) You can garrison Squads in Alliance Buildings after construction completes
c) Improve prompt for changing Squad Leaders when garrisoning Alliance Buildings
6. Privileges Subscription optimizations
a) New privileges
b) Optimized UI
7. Added Mass Deploy feature (requires Lv 15 Headquarters)
8. Added World Channel
9. Added mail sorting in report mails for clarity
10. Optimized spawn mechanism of Hiveminds, zombies, and resource nodes on the map. Based on Regionia progress, only Lv 4 or higher resource nodes will spawn in Lv 2 Checkpoints, and only Lv 4 or higher Hiveminds will spawn in Lv 3 Checkpoints.
11. Top Commander optimization: If a Commander's buildings and technology are both at maximum levels during the Top Commander event, they can directly receive all rewards for Phase 1
12. First Aid optimizations: Help requests can only be initiated when the number of injured Troops in the Hospital exceeds 10,000
13. Other bug fixes and optimizations
1.22.0
2023-08-31
Updates:
1. "New Immigration Decree" event. Available in some regions after the update. Please update the game to access.
2. New 100-player battlefield - Bounty Ground. Prove your strength, survive until the end, and win the huge prize pool! Please update the game to access.
3. New Legendary Leader Heroes "Scarlet Queen" Bianca and "Biochemical Lab Head" Victor. Commanders in servers 1-21 will be able to meet the new Heroes as early as Sep 25 (UTC), while they will be available on the remaining servers based on their Federation's progress.
4. The Beer Festival event from 9/13-9/20 (UTC). Please update the game to access.
5. New Squad Skin - Pulse Drones.
6. Hero Armament optimizations:
1) Added a prompt in Bag when Armaments can be crafted
2) When opening Armament Fragment Choice Boxes, displays Fragment count
3) When Ranking Up Armament, displays locked Armaments and allows quick unlocks
7. Other bug fixes and optimizations
1.21.0
2023-08-01
Updates:
1. "Eagle Hunter" Jacob and "Great Magician" Julia are here! Commanders in servers 1-21 will be able to meet the new Heroes as early as Aug 14 (UTC). Their availability on the remaining servers will be based on the server's Federation progress.
2. Added two new VIP levels, VIP17 and VIP18. Specific products for these levels have also been added to the VIP Store.
3. New Fiery Rebirth event from 8/16-8/23 (UTC). Update your game to join this event.
4. Added Crisis Aid after the Dark Seal event to help Commanders quickly recover from serious injuries.
5. Back Alley Doctor's Request: Added 4th and 5th Alliance Boss in Alliance Pursuit, and adjusted the strength of some Prowlers.
6. Privileges Subscription: Added "Collect All" privilege for collecting Alliance Shopping Rewards.
Optimizations:
1. Water War (please update your game):
1) Event now runs all day from Wed-Fri weekly
2) New daily Missions and rewards
2. Hero Armament:
1) Hero Armament info now viewable in Share Hero
2) Hone attributes quality now viewable in Share Armament
3. Added Armament Tracking as a way to obtain points to Phase 3 of Top Commander if Hero Armament is unlocked
4. Island Raid: Added Device reward to War Meets War.
5. Antpede Hunt now runs on Mondays
6. Lethal Outbreak, Grand Revival, Great Hunter:
1) Exchange Shop now available during the display period after the event ends
2) Hero Armament related items added to the Exchange Shop
7. The Recovery of Pompeii: Alliances with similar Federation progress will be matched first
8. Other bug fixes and optimizations
1.19.5
2023-07-11
Updates:
1. New Cross-region Expedition - Dark Seal. Available to some Federations from 6/24-6/25 (UTC). Please update your game first.
2. New Midsummer Night event from 6/22-6/29 (UTC). Please update your game first.
3. New Legendary Infantry Heroes "Ravenous Butcher" Eddie and "King of Rock" Robert. Commanders in servers 1-21 will be able to meet the new Heroes as early as Jul 3 (UTC), while they will be available for the remaining servers based on their Federation's progress.
4. New Squad Skin - Heavy Fire Guard
5. Island Raid: Alliances with similar Federation progress will be matched first.
6. New Alliance Tech with unlimited Donation. Unlocks after Effective Deployment, Garrison Expansion, and Quick March reach Lv 10.
7. Alliance event page displays opening times for Antpede Hunt, The Recovery of Pompeii, Alliance League, and Island Raid.
8. Top Commander's Enemy Kills, Heavily Wounded Units, Healing Boost stages: point efficiency decreases with more kills.
9. Saved Squads in Expedition and Arena of Doom sync across devices.
10. Windows: custom resolution support.
11. Other bug fixes and optimizations.
Hero Balance Adjustments and Correction:
1. Strengthened Elena's Active Skill, Ambush: the skill's DEF bonus is now always effective and does not need to be triggered.
2. Fixed Chun's skill, Resilience, where the Travel Speed bonus did not take effect.
3. Fixed Raigorou's Adventure Active Skill, Gate of Protection, where the attack range increase was not displayed correctly.
1.19.0
2023-06-20
Updates:
1. New Cross-region Expedition - Dark Seal. Available to some Federations from 6/24-6/25 (UTC). Please update your game first.
2. New Midsummer Night event from 6/22-6/29 (UTC). Please update your game first.
3. New Legendary Infantry Heroes "Ravenous Butcher" Eddie and "King of Rock" Robert. Commanders in servers 1-21 will be able to meet the new Heroes as early as Jul 3 (UTC), while they will be available for the remaining servers based on their Federation's progress.
4. New Squad Skin - Heavy Fire Guard
5. Island Raid: Alliances with similar Federation progress will be matched first.
6. New Alliance Tech with unlimited Donation. Unlocks after Effective Deployment, Garrison Expansion, and Quick March reach Lv 10.
7. Alliance event page displays opening times for Antpede Hunt, The Recovery of Pompeii, Alliance League, and Island Raid.
8. Top Commander's Enemy Kills, Heavily Wounded Units, Healing Boost stages: point efficiency decreases with more kills.
9. Saved Squads in Expedition and Arena of Doom sync across devices.
10. Windows: custom resolution support.
11. Other bug fixes and optimizations.
Hero Balance Adjustments and Correction:
1. Strengthened Elena's Active Skill, Ambush: the skill's DEF bonus is now always effective and does not need to be triggered.
2. Fixed Chun's skill, Resilience, where the Travel Speed bonus did not take effect.
3. Fixed Raigorou's Adventure Active Skill, Gate of Protection, where the attack range increase was not displayed correctly.
1.18.5
2023-05-15
Updates:
1. "Wasteland Engineer" Jonathan and "Lone Ranger" Elena are joining the game! Commanders in servers 1-21 will be able to meet the new Heroes as early as May 22 (UTC), while they will be available for the remaining servers based on their Federation's progress.
2. Island Raid optimization: Added a Crisis Aid event to help Commanders quickly recover Heavily Wounded Squads after Island Raid ends.
3. New Doomsday Shopping event from 5/16-5/23 (UTC). Please update your game first.
4. Lethal Outbreak, Grand Revival, and Great Hunter optimizations:
a) Purchase high-value event packs to send Red Packets to regional language Channels.
b) Exchange for items at the event Exchange Shop to obtain event items.
c) Event UI optimizations
5. Added Top Fighter tier to Alliance League
6. Other bug fixes and optimizations.
1.18.1
2023-04-13
Updates:
1. Island Raid optimization: Shelters, Vanguard Watchtowers, and Settlements are now protected during an evacuation.
2. Alliance League optimizations: Optimized Alliance League UI and refresh time of Personal Missions.
3. New Attribute Boost for Squad Skins.
4. Optimized the matchmaking speed for Water War.
5. Optimized the Alliance registration limit of all phases in The Recovery of Pompeii.
6. Optimized the Antpede Hunt rally menu.
7. Other bug fixes and optimizations.
1.18.0
2023-04-10
Updates:
1. Island Raid optimization: Shelters, Vanguard Watchtowers, and Settlements are now protected during an evacuation.
2. Alliance League optimizations: Optimized Alliance League UI and refresh time of Personal Missions.
3. New Attribute Boost for Squad Skins.
4. Optimized the matchmaking speed for Water War.
5. Optimized the Alliance registration limit of all phases in The Recovery of Pompeii.
6. Optimized the Antpede Hunt rally menu.
7. Other bug fixes and optimizations.
1.17.0
2023-03-13
Updates:
1. New Lethal Outbreak event. (Available after a Federation has been launched for a set number of days.)
2. New Squad Skins. Can be activated at Headquarters-Skins-Squad Skins when obtained.
3. Added Season Stats for Recovery of Pompeii event.
4. Other bug fixes and optimizations.
1.16.2
2023-02-27
Updates:
1. Island Raid Optimization
- Added Shelter and Peace Shield to the first day of the event. Enter the Island Raid map to activate.
- The Light of Doomsday event will last 5 days. Shelter located in a Territory can't be rallied or attacked during the event.
- Added limited-time Alliance Building rewards, which can be built in Alliance Territories.
2. Alliance League Optimizations
- Lowered the difficulty level of some Missions.
- Increased the Top 3 Alliances' ranking rewards.
3. Ranged Squad Talent Heroes: Johnny Kerry and Chun are coming soon (appears in the Hero interface after the update when an area's Federation reaches a certain number of days).
4. Adjusted the balance of the battle mechanics: Added a cap for Squads attacking a target at the same time.
5. World Map's unemptied Resource Nodes will display the last Gatherer's info.
6. Other bug fixes and optimizations.
1.16.1
2023-02-20
Updates:
1. Alliance League adjustments (Update to the latest version required.)
- new Your Missions
- new Alliance Missions
- optimizations of the page's interface.
2. Added exclusive Alliance building as a limited Island Raid reward.
3. The Recovery of Pompeii adjustments:
- during registration, unregistered members can still join other Alliances to register for the event
- added a display panel for the event records at the event interface
- Victor's Rewards and Consolation Rewards now need to be collected manually.
4. Valentine's-themed events from 2/14 to 2/21, UTC.
5. Added a third Alliance Boss in Back Alley Doctor's Request.
6. Added 10 new Checkpoints in Normal Mode and 4 Checkpoints in Challenge Mode for Z-Virus Adventure.
7. Added new third-party login methods (Facebook, Google, Sign in with Apple).
8. Added clear cache feature in Settings > Help to reduce excessive memory usage.
1.12.2
2022-11-03
Updates:
1. New Endless War phase missions and reward adjustments.
2. Optimized the Recovery of Pompeii's matching criteria.
3. Modified the Alliance League's segment promotion and demotion notifications.
4. Other bug fixes and optimizations.
1.12.1
2022-10-24
Updates:
1. Get ready for Halloween events filled with spooky vibes!
2. Optimized Endless War's interface.
1.12.0
2022-10-17
Updates:
1. New cross-server 30v30 Alliance War event - The Recovery of Pompeii.
2. New Auto Rally feature (toggle on/off at the Battle Center). Consumes Assault Squad Badges to automatically deploy your Assault Squads on Alliance Rallies. Assault Squad Badges can be earned from Mysterious Chests (Daily Tasks 100AP) or 30-Day Premium Pass.
3. New Alliance AP Reward. All Alliance members now receive a reward when a member completes their Daily Tasks (100AP).
4. Added notifications when you unlock new features/buildings after upgrading your Headquarters.
5. New Headquarters upgrade bonus overview. Tap Headquarters - Overview to view.
6. New Hero Strategies for Nakano Maaya, Louis, and Lee Seung-wang.
7. Defeat Zombies, Atoners, and Hiveminds on the World Map or during Radar Station events for a chance to get Epic Hero Relics.
8. Increased the Might value of several Buildings, Techs, and Heroes.
9. Optimized Metropolis - Federation UI interface.
10. Optimized Growth Fund UI interface.
Hero/Skill Adjustments:
1. Strengthened Tom's Rage Skill and Awakened Skill.
2. Fixed the damage sharing effect of Louis' Awakened Skill.
1.11.5
2022-10-10
Updates:
1. New Might Race (get the latest version to experience this series of new ranking events).
2. The Light of Doomsday event in the new server is now 5 days instead of 14.
3. Other bug fixes and optimizations.
1.11.4
2022-09-28
Updates:
1. New Might Race (get the latest version to experience this series of new ranking events).
2. The Light of Doomsday event in the new server is now 5 days instead of 14.
3. Other bug fixes and optimizations.
1.11.3
2022-09-26
Updates:
1. New Might Race (get the latest version to experience this series of new ranking events).
2. The Light of Doomsday event in the new server is now 5 days instead of 14.
3. Other bug fixes and optimizations.
1.11.0
2022-09-13
Update:
1. Added Back Alley Doctor's quest event. Kill Zombies lingering around the Shelter and get amazing rewards! (See Event Calendar for details.)
2. Added Harvest Festival-themed events. (Expected to start within two weeks after the update.)
3. Added Silver and Gold segments to Alliance League and increased the rewards for Player Rankings.
4. Added Bonus effects to Arena of Doom for Federations that lasted at least 45 days. Select your strongest lineup to achieve victory! (Bonus effects will be activated in the week following the update.)
5. Added Basic Construction feature for Alliance Buildings. If a new Alliance Building doesn't have a Squad in it, it will build slowly with basic construction speed.
6. Added Alerts for the construction of Alliance Buildings. They increase efficiency by notifying Alliance members to participate.
7. Added Battle replays in Arena that can be shared in chats.
8. Fixed bugs and optimized user experience.
1.10.0
2022-09-02
Updates:
1. New Building - Bulletin Board. Commanders will be able to obtain useful survival tips through the Bulletin Board.
2. Arena of Doom - Each challenge now gives out rewards!
3. Water War - Added point-based rewards and quick commands.
4. Increased EXP gained from using Urgent Orders in Z-Virus Adventure.
5. Optimized VIP benefits in Z-Virus Adventure Supplies.
6. Other bug fixes and optimizations.
1.9.1
2022-08-20
Update Notes:
1. Added Hero Guide
2. Added Hero Review
3. Added Shelter Skin and Portrait Frame to the Radar Station Store.
4. Fixed bugs and improved user experience.
1.9.0
2022-08-16
1. Added Hero Guide
2. Added Hero Review
3. Added Shelter Skin and Portrait Frame to the Radar Station Store.
4. Fixed bugs and improved user experience.
1.8.0
2022-08-01
Upcoming Updates:
1. New cross-server Water War feature. The system will now match Commanders from different Federations for exciting 5v5 battles.
2. New Arena of Doom feature. Mix and match different Heroes to form your ultimate team!
3. New Commander Equipment system to improve gameplay strategy.
4. New Z-Virus Adventure stages. Commanders can invite Alliance members' Heroes to join their adventures.
5. New Z-Virus Expedition stages and added Auto Battle feature.
6. Optimized Commander Info page and Alliance interface.
7. New custom Portrait feature.
8. New official social media account links on the Events board.
1.5.3
2022-06-21
Update Notes:
1. Adjusted the number of Relics required to upgrade Hero Skills at different levels.
2. Adjusted Hero Talents.
3. Added Main Missions and removed Chapter Missions. Commanders may directly claim rewards for the Main Missions they have completed.
4. Added the new game mode - Z-Virus Adventure.
5. Added the new game mode - Doomsday Memoir, and removed Z-Virus Expedition.
6. Removed the Faction system. Special Troop buffs will be replaced by Squad Skin buffs.
7. Added Squad Skins.
8. Adjusted immigration rules. Might restriction will no longer apply when immigrating to a Federation with a history of more than 90 days.
1.5
2022-02-23
Update Notes:
1. Adjusted the number of Relics required to upgrade Hero Skills at different levels.
2. Adjusted Hero Talents.
3. Added Main Missions and removed Chapter Missions. Commanders may directly claim rewards for the Main Missions they have completed.
4. Added the new game mode - Z-Virus Adventure.
5. Added the new game mode - Doomsday Memoir, and removed Z-Virus Expedition.
6. Removed the Faction system. Special Troop buffs will be replaced by Squad Skin buffs.
7. Added Squad Skins.
8. Adjusted immigration rules. Might restriction will no longer apply when immigrating to a Federation with a history of more than 90 days.
1.4.2
2022-01-26
New Features:
1. The new Alliance event—Antpede Hunt is here!
Details:
Stay away from the giant pit! That's the warning that has been circulating among the Shelter residents recently. Many have witnessed the horrific scene of a giant shadow dragging survivors into the pit, causing widespread panic. In response, the Alliance has developed a special trap that targets the monster's weakness, so they can lure it to the surface and destroy it.
1) The Alliance must construct a Seismic Wave Trap to launch the event. The event lasts 30 minutes and needs to cool down for 7 days before it can be launched again.
2) The Alliance Leader and R4 Officers may start the event instantly or schedule a time for the event, and inform members to join the hunt.
3) Defeat Antpede during the event to receive an Alliance Reward, and unlock the next difficulty level.
4) The Alliance can launch multiple rallies against Antpede. Participating members will earn Individual Damage Points, and receive a reward based on their points.
5) Hidden Caves will randomly appear around the Seismic Wave Trap during the event period. Players can send Scouts to investigate the caves and obtain rewards.
2. Added the Daily Booster Pack Bundle Deal, so players can purchase all the Daily Booster Packs at once.
3. Fixed bugs and improved player experience.
1.4.0
2021-12-21
New Features:
1. Get ready for fun-filled holiday-themed events (refer to event calendar for the dates)!
2. Added the Dark World event.
3. Added more Radar Station Events and Radar Station Store.
4. Added map search function for Hiveminds.
1.1.0
2021-10-19
New Features: (estimated to launch within 2 weeks after update)
1. Radar Station - Events System: Unlock various intel, defeat powerful zombie hordes, and earn tons of rare rewards!
2. Alliance League - Complete missions to earn great rewards for you and your Alliance members!
Improvements:
1. Optimized Auto-Explore function.
2. Optimized Alliance rules.
3. Fixed bugs and improved user experience.
1.0.3
2021-09-24
Update Notes:
1. Optimized beginner's tutorial and main story tutorial.
2. Added tutorial for some features.
3. Adjusted the strength of Zombies on the map.
4. Adjusted Immigration feature.
5. Fixed bugs and optimized player experience.