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
Mr. Sparkle's Nightmare
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Mr. Sparkle’s tale has gone wrong. To escape the nightmare, you must combine runes to craft your own spells and survive relentless bullet-hell chaos.
- 5
Neon Abyss 2
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
Dive into the cybermyth roguelike chaos of Neon Abyss 2! Now featuring up to 4-player online co-op, more combat styles, and unlimited item synergies, every run delivers a dramatic, action-packed experience you won't forget.
- 6
Don't Die, Collect Loot
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
It's time to become ridiculously powerful in an arcade roguelite RPG with no limits on your power! Guide your hero through infinite retro fantasy worlds, get loot, gain upgrades, and keep growing their power as you rip through hordes of enemies in the ultimate power fantasy!
- 7
Skull Horde
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Adventure with Buster Ocean.
Skull Horde is an auto battler dungeon crawler where you play as a flying skull necromancer. Find powerful loot and create overpowered builds. Summon a horde of skeletons in a battle of bone versus flesh!
- 8
Noobs Are Coming
Single-player alternative to Buster Ocean — playable solo, no multiplayer required. Shares Action and Indie with Buster Ocean.
YOU ARE THE FINAL BOSS. Brutal synergy arena roguelike. Pick your Final Boss character, equip boss patterns and combine tons of attacks to create unique builds. Play solo or in co-op!