Door Kickers: Action Squad is a side-scrolling action game from KillHouse Games and PixelShard. Players control SWAT troopers in Nowhere City USA, choosing gear before engaging enemies. Gameplay emphasizes adapting to situations, managing weapon recoil, timing reloads, and utilizing cover. Strategic Abilities allow players to manage resources like healthpacks and gear refills, or save points for an Ultimate ability. The game supports cooperative multiplayer.The title boasts high-detail retro graphics and 84 non-linear levels. Six playable characters each have distinct gameplay mechanics and level-up paths. Players can unlock and utilize 60 weapons and gear items against over 20 enemy types across four mission objectives. A Zombie invasion mode offers a new way to play, and the game includes both couch and online cooperative multiplayer.