Single-player games like Buster Ocean
Below are 8 single-player Steam games similar to Buster Ocean, 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 Buster Ocean page.
Ranked picks
- 1
Exjanitor: Data Cleanup
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Exjanitor is a top-down roguelite where a fired janitor wages war on the robots that replaced him. Equip powerups, choose your own drawbacks, go too far — and find out what happens when you stack one chip too many.
- 2
Hell Bug
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Hell Bug is a simple roguelite shooter where you build a swarm of chaos from the remains of your enemies. Designed as a basic arcade style experience, you focus on crushing mutant bugs and unlocking defeated bosses' children, as powerful new allies. Each bug has a story, some shouldn't be told.
- 3
Cavern
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Experiment, Explore, and Swap in Cavern, a roguelike sandbox. All objects in the world can be swapped out at will. Swap slimes into harmless pots, turn enemy projectiles into countless health potions, and discover hidden interactions to conquer the ever-changing depths of Mirror Cavern.
- 4
Bait Soul
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Bait Soul is a top-down Dungeon Crawler Roguelike. It blends dungeon exploration with Survivors-style auto-attacks. Accessible yet deep, it retains the thrill of looting, with unique, game-changing mechanics hidden everywhere.
- 5
Another Castle
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
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.
- 6
Animal Rogues
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Animal Rogues is a dark rogue-lite dungeon crawler bullet-hell with rpg elements. You play as an animal who fights against one possessed beast after another! Discover unique interactable objects such as slot machines, dices.. Collect magical items and level up to become more and more powerful!
- 7
Echoes of Mystralia
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Echoes of Mystralia is an action-heavy spellcrafting ARPG roguelite, where rapid combat meets deep customization. Craft your own spells, unlock new combinations, fight epic bosses, and discover a narrative-rich world that never plays the same twice.
- 8
Worship Demon
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
"Worship Demon" is a fast 2D survivor with anime xianxia art and dazzling effects. Play a demonic cultivator, explore secret realms, ruins, and seek spells. Survive, beat boss, master Dao, and grow stronger. Each run unlocks new Arts, bonds, talents—forge your own immortal path.