SAS: Zombie Assault 4

Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.

App ID	678800
App Type	GAME
Developers	Ninja Kiwi
Publishers	Ninja Kiwi
Categories	Single-player, Steam Achievements, Multi-player, PvP, Online PvP, Co-op, Online Co-op, Full controller support, Cross-Platform Multiplayer, In-App Purchases, Steam Leaderboards
Genres	Action, RPG, Free to Play
Release Date	16 Oct, 2017