Single-player games like Diatomic
Below are 11 single-player Steam games similar to Diatomic, 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 Diatomic page.
Ranked picks
- 1
LOOK UP AND GO
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Wishlist this fast paced, fps, score attack where every run is a risk. Use your points to bet on your own survival or make other players' runs harder. Get combos by stabbing, shooting, and doing tricks. Ascend the tower. Climb the leader board. Wishlist now.
- 2
ULTRAKILL
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.
- 3
Shady Knight
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Shady Knight is a first-person skill-driven melee action game centered around swift swordplay, acrobatic archery, and fluid platforming that seamlessly blends combat and parkour skills into a stylish dance of death full of creative chaos.
- 4
Boomerang X
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Harness the power of a mystical boomerang to fling yourself through the air in this acrobatic arena shooter. Slice, fly, and blast through swarms of evil creatures on an abandoned island with a cryptic past. Stay agile or meet your doom.
- 5
Bloodthief
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Bloodthief is an ultra-fast melee dungeon-runner where you use momentum to parkour through hazardous dungeons and brutally slash through enemies. Speed-run through haunted crypts and castles and learn what dark secrets lie beneath.
- 6
REAVER
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
REAVER is an ultra-fast-paced FPS that endows you with the mobility and weapon mechanics to reave through arenas of killer machines with grace and efficiency. Push the boundaries of speed and style in this next-gen movement-shooter.
- 7
METAL GEAR RISING: REVENGEANCE
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action with Diatomic.
Developed by Kojima Productions and PlatinumGames, METAL GEAR RISING: REVENGEANCE takes the renowned METAL GEAR franchise into exciting new territory with an all-new action experience. The game seamlessly melds pure action and epic story-telling that surrounds Raiden – a child soldier transformed into a half-human, half-cyborg ninja who...
- 8
DeadCore
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
DeadCore is a Platformer-FPS blending exploration and speedrun. Become immersed in a futuristic and dreamlike adventure which will see you climb a huge Tower born from the void and truly put your capabilities to the test. Will you be able to reveal the secrets that lie beneath this fog-ridden world?
- 9
Paint the Town Red
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Paint the Town Red is a chaotic first person melee combat game set in different locations and time periods. The voxel-based enemies can be punched, bashed, kicked, stabbed and sliced completely dynamically using almost anything that isn't nailed down.
- 10
Sword With Sauce
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action with Diatomic.
Sword With Sauce is a fast-paced stealth-action game where you pick weapons, gadgets, and a playstyle to eliminate enemies. Go in loud or stay unseen—it's your choice.
- 11
Titanfall® 2
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action with Diatomic.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.