Single-player games like Antithesis
Below are 8 single-player Steam games similar to Antithesis, 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 Antithesis page.
Ranked picks
- 1
Space Defense
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
You and your space troop have a tough mission to defend Earth from an alien invasion in this epic space war. Will you be able to guide your troops to victory?
- 2
Ostallian Core
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.
- 3
Space Pirates
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
Arcade space shooter where you build a fleet by defeating enemy ships and using the credits you earn from it to upgrade your fleet to take on larger and deadlier battles.
- 4
REVO
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.
- 5
I Made Myself a Ship
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
Zip and zoom as you zap enemies and steal their stuff. Build progressively bigger, faster, tankier, more agile, more dangerous, more complicated, more projectile-y-ier ships in your goal to destroy and collect everything.
- 6
Stellar Space
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!
- 7
Void Runner
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action with Antithesis.
Dive into the Void. Dodge, fire, restart. Sharpen your build run after run and claim a spot on the global Top 10. A pure, demanding arcade roguelite: 28 evolving skills, 5 hand-crafted worlds or endless survival. Your skill, your ladder.
- 8
Power of Ten
Single-player alternative to Antithesis — playable solo, no multiplayer required. Shares Action and Indie with Antithesis.
Fly a star-fighter against a bloodthirsty armada. Gather weapons, resources, and upgrades to help you push back the relentless assault while protecting the galaxies' civilians!