Single-player games like Corpse Sea Defense
Below are 8 single-player Steam games similar to Corpse Sea Defense, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Corpse Sea Defense page.
Ranked picks
- 1
Decurion
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
Decurion is a skill-based, top-down shooter about scoring under a one-shot, one-kill rule. You get the score via combo chaining while trying to defend your base.
- 2
Exterminate Zombies: Get Paid
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
Exterminate zombies in style with up to 4 players in this action packed co-op top-down shooter.
- 3
RITZEN
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action with Corpse Sea Defense.
A brutal retro horde shooter set in a ritualistic world. Fight endless undead, uncover secrets, complete objectives, and face terrifying bosses - alone or in co-op.
- 4
BATTLEDRIFT
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
A PvP 2D top-down shooter where your gun recoil is also your ship's propulsion! Master control of your ship better than your opponents and be the last one standing with up to 4 players.
- 5
ARCASCIAN
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
ARCASCIAN is a minimalist ASCII-rendered fantasy FPS built around fast runs, procedural dungeons, and relentless combat.
- 6
Final Days
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
Survive overwhelming hordes of zombie-like mutants in this chaotic co-op twin-stick shooter. Play solo or team up with up to 16 players as hundreds of enemies flood the screen in a relentless fight to hold the line.
- 7
Frontline Zed
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
Defend your fortified barricade by night, collect weapons and conduct repairs by day. Survive long enough to make your way through America and towards rescue.
- 8
Splatter - Zombiecalypse Now
Single-player alternative to Corpse Sea Defense — playable solo, no multiplayer required. Shares Action and Indie with Corpse Sea Defense.
You like top-down-shooter with a film-noir singleplayer campaign, challenging fights against zombies and monsters, gory splatter effects and destructible level environments? Fight your way through an apocalyptic city in the single player story mode, and test your skills in the survival mode.