Single-player games like Project Romboid
Below are 8 single-player Steam games similar to Project Romboid, 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 Project Romboid page.
Ranked picks
- 1

ROGUELINE
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
TwIn-stick RogueLike Shoot'em up Action!
- 2

Yawnoc
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
Destroy hordes of strange machines that have invaded the forest. Yawnoc is a chaotic top-down shooter roguelite focused on immersion into the world of Conway's Game of Life and other cellular automata.
- 3

SEN.TUR.
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
Defend the planet from endless waves of alien ships in this retro arcade shooter. Craft the turret to best fend off the alien assault with shotgun, explosive and many more modifiers.
- 4

TETRAGUN
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
TETRAGUN is quadrant-based shooter where you're surrounded on all sides. You'll gain powerful upgrades as you progress, but so will your enemies.
- 5

OTXO
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
Enter an inexplicable, abstract mansion to rescue a loved one in this fast-paced, brutal, and dark roguelite filled with precise but savage gunplay and time-bending slow motion. Face your inner demons and unveil the secrets of the Mansion.
- 6

Angelstruck
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
Angelstruck is a 2D roguelite shooter where you demolish the forces of Heaven as you attempt to reach the pearly gates. Overcharge your holy rifle, and min-max your way into insane game-breaking builds. Unlock permanent capabilities and powerful screen-destroying weapons that feed on kills.
- 7

Run Build Pew!
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
- 8

Kitty's Last Adventure
Single-player alternative to Project Romboid — playable solo, no multiplayer required. Shares Action with Project Romboid.
Cute Survivor where you play as Kitty the cat aboard her flying cat-saucer🛸 created by her distraught human.