Single-player games like Diatomic
Below are 10 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
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.
- 2
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.
- 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
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?
- 6
JETRUNNER
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
JETRUNNER is a parkour FPS, with cel shaded, comic like visuals, and a gameplay loop that can be best described as Trackmania meets Titanfall. Rich, expressive movement, and tight gunplay is what JETRUNNER is all about.
- 7
TEXNOPLAZM
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action and Indie with Diatomic.
Punch enemies, take their weapons, and switch combat styles on the fly. Blend combat skills and movement into hectic first-person gun-fu based on three movesets for punches, melee weapons and firearms.
- 8
Guns and Nuns: Storming Hell
Single-player alternative to Diatomic — playable solo, no multiplayer required. Shares Action with Diatomic.
Demons are not the danger, YOU ARE THE DANGER!!! play as Angelica Amadeus, a nun with the power of faith and guns. Slay demons at your heart's content on bizarre stages with strange gravity fields. Get highscores to unlock more stages and weapons and teach those filthy demons their place.
- 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
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.