+1 Zombie Survival is a blocky first-person zombie shooter built around a single relentless mechanic: your power grows by +1 every second, making every shot progressively stronger. The game opens with a training ground that teaches everything hands-on, then sends you into 10 nights across each of 5 big towns, ranging from Sunny Suburbs to Neon Lab. Every town is packed with houses, shops, and malls, each containing furnished rooms where real defensive play happens. The game supports 19 languages.
Each night begins when you trigger it, and it ends only when the entire horde is gone. Zombies pour in from all streets, so positioning matters from the first second. Hole up inside a room, place a door in the doorway, set traps, and use the pickaxe to break walls and cut loopholes for firing angles. Parked cars can be jumped into and driven to ram the horde — though ramming a boss is off the table. Defeat bosses, and rebirth grants permanent multipliers. As you progress, 11 weapons unlock, going all the way up to a black hole gun.
If the power-growth loop in +1 Zombie Survival appeals to you, +1 Guns vs Zombies runs a similar every-shot-makes-you-stronger system across 15 stages with 15 guns and rebirth multipliers. For a deeper story-driven take on the undead, Rise of the Dead mixes wave survival with quest-driven missions and multiple modes including sniper challenges. Fans of the day-build, night-defend structure will find a satisfying twist in Bullet Factory, where you construct an automated ammo factory by day and hold a gate against hordes by night. For something faster-paced with permanent upgrades between runs, Mine And Rush Survival drops you into a bug-filled cave with auto-firing weapons and skill choices mid-run.
Browse the full shooting games catalog for more, or explore the wider action games and zombie games collections on Playgama.