Single-player games like Kill The Sea
Below are 8 single-player Steam games similar to Kill The Sea, 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 Kill The Sea page.
Ranked picks
- 1
Afterwork Apocalypse
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
A horde-survival roguelite in a cursed office tower. Weaponise the stapler, the hot coffee and the all-hands microphone, keep your panicking colleagues from quitting mid-fight, and ride the elevator up floor by floor. Overtime is not optional.
- 2
Marque & Reprisal
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Indie and Adventure with Kill The Sea.
Explore. Trade. Fish. Whale. Colonize. Fight. Pillage. Survive. You are a sea captain in the year 1522, and the whole world is yours to discover in this roguelike sandbox historical sailing simulator.
- 3
SteelGuard
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.
- 4
Another Castle
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
Sick of playing the "Damsel in Distress" Princess Peta ventures into an ever-changing Castle filled with gun wielding cult members, mysterious secrets and a whole heap of items to help boost her firepower. Another Castle is a fast-paced, challenging dungeon-crawling roguelike shooter.
- 5
Wild Island
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
You are stranded on a mysterious island, trying to escape. A sandbox where you stack items, craft synergies, and turn simple weapons into pure power. Experiment with runes, accessories, and pets. Discover the island’s mysteries and rebuild your sanctuary to uncover what the island truly wants.
- 6
Cells of Division
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
Cells of Division is a top-down bullet hell roguelike. Fight with past-run clones (up to 6 allies), mix ~100 items, and defeat 50+ bosses. Destroy viruses and defend the immune system!
- 7
You Are Circle
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
You are a circle in a sharp world. Fight jagged enemies in a neon twin-stick bullet-hell roguelite, build devastating ability combos, and grow from fragile to unstoppable through shifting neon labyrinths.
- 8
Gearomancer
Single-player alternative to Kill The Sea — playable solo, no multiplayer required. Shares Action and Indie with Kill The Sea.
Step into the mechanical apocalypse in Gearomancer, a fast-paced twin-stick action roguelite. Play as elite V.E.R.T.E.X. agents to dodge brutal bullet hells and obliterate elemental horrors. Harvest Arcane crystals, forge permanent upgrades at your hub, and die to return stronger than ever.