【Version 1.50】
* New quest system: Main quest (story), side quest, delegated quest (repeat)
* New archive system: A total of three archives can be created, the old archive is still available, but it may affect the game experience and affect some recording functions, we recommend that you create a new archive to play. A new save will adjust the difficulty of each part of the game.
* New modification system: Can more intuitively understand the weapon can be added to the modification accessories. And when modifying in the camp, you can read all the modified parts in the warehouse. Accessories that cannot be used in the current firearm will not be displayed in the modification system. An accessory marked in red means you can use it, but you don't own it.
* New computer APP-WSTalk
* New bosses: 10 main quest bosses (some dedicated to story and main quest), one wandering BOSS (Crow), using melee weapons to attack enemies. When there is a BOSS 'ghost' on the map, crows will appear)
* New enemies: 4 human enemies and 1 Zombie enemy
* New weapons (41) : 2 pistols, 2 submachine guns, 15 assault rifles, 1 precision shooter rifle, 4 machine guns, 4 sniper rifles, 6 shotguns, 7 melee weapons
* New accessories (64) : 6 muzzles, 6 grips, 11 stocks, 9 magazines, 30 scopes, a dedicated undermount launcher, and a more advanced night vision
* New ammos: 12 new models of existing ammos, 9 new caliber ammos, and 1 new type of 40mm grenade
* New items: 11 new food items (crafting), 1 new top medical item, 1 new top armor Recovery item, 1 new top repair tool, 1 new Throwing item
* New items: 15 dolls, 16 quest items, 2 collection items
* Black Marketeer Change: Renamed Kyle. The sale content is unlocked according to the progress of the main task, and the sale content is fixed. And after the completion of the main task can unlock the gold card purchase.
* Arms Dealer change: Renamed Zavier. No longer selling items, but an important character in the main story.
* Repairman change: Repair tools are sold separately, and emergency repair function is completed at one time
* Otaku Change: The computer upgrade will be changed to the exclusive quest of Otaku, and the items required for the computer upgrade will be changed
* Workbench changes: Some recipes require a design diagram lock, which can be obtained through Cooper's side quest
* New recipes added to the worktable: 9 new food preparations
* Online shopping added: 6 new weapons (need to complete the specified main quest to unlock)
* New NPCS: 4 human NPCS (Echo, a helicopter pilot and member of the Orga Defense Organization)
* BOSS attack mode changed: The attack mode of Dr. D zombies changed to tentacle attack, summoning long-range tentacle monsters (pay attention to whether there is a red attack warning under your feet, you can avoid tentacle attack). At the same time, the BOSS's attack power and health are greatly reduced.
* Some NPCS and enemies change their appearance
* In the last update to the scope, some attributes have been adjusted, magnification has been adjusted, and the overall critical chance has been improved
* Maximum stack number of loaves increased to 5
* Grenade bags can be picked up from military vehicles and removed from online shopping

【Version 1.51】
*New System: Weapon Wall. Allows you to collect and display weapons from your inventory on the Weapon Wall. You can also retrieve weapons by clicking on them on the Weapon Wall.
*Significantly Reduced Refresh Time for Repeatable Missions (Note: New repeatable missions will only appear after you complete the previous one).
*Fixed Bullet Rewards for Repeatable Missions changed to Supply Vouchers. Players can use Supply Vouchers at the Workbench to exchange for the high-grade bullets they truly need. Due to the significantly reduced refresh time *for repeatable missions, the number of Supply Vouchers rewarded is lower compared to the original rewards.
*New Recipes Added to the Workbench (requires unlocking with blueprints): 8.6mm Bullets, 8.6mm TB, 8.6mm AP, 8.6mm HP.
*New Recipes Added to the Workbench: High-level variants of various bullets, which can be exchanged using Supply Vouchers.
*New Recipe Added to the Workbench: Smoke Grenade.
*Enemies attacked by drones will no longer find the player's location
*Decoy bombnow force the attention of 3 zombies until the effect ends.
*New Item: Supply Voucher.
*Added manual save game button in ESC interface
*Adjusted the layout of some camps, added new explanations to the operation manual.
*Restricted the attack range of the Lab Boss, providing players with safe areas to heal.
*Fixed a bug where only rain weather would appear.
*Fixed a bug where bullets refunded during quick modifications would disappear.
*Fixed a bug where prohibited accessory slots could be equipped during quick modifications.
*Fixed a bug where certain attachments were displayed multiple times during modifications.