Single-player games like Gemini X
Below are 9 single-player Steam games similar to Gemini X, 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 Gemini X page.
Ranked picks
- 1
Cytokine Storm
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
Cytokine Storm is a retro survival horror set inside a coma patient's body. Battle parasites, viruses, and a defective immune system to wake yourself up. Explore a surreal biological world where you must use your wits, weapons, and unique costumes to survive grotesque locations and puzzles.
- 2
The Spectral Web: Yuurei
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
Explore a giant, shifting Labyrinth and face off against powerful, ancient ghosts in this old-school action game inspired by 8-bit classics!
- 3
Inukari 3D - Shattered World
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
“Inukari 3D - Shattered World” tells the story of the guardian goddess Inukari. Join her on her journey through a colorful retro 3D platformer featuring a total of three open worlds and plenty of characters and quests.
- 4
Mass Edge - Gravity Ball
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
Mass Edge is a vibrant 3D puzzle-platformer that challenges your perception of movement, space, and timing. Built around a unique physics-based rolling mechanic, players must navigate intricate 3D environments by carefully controlling momentum, balance, and spatial awareness.
- 5
The Adventures of Graham
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
A sci-fi retro Metroidvania. Help Brigadier General Graham recover his gear, defeat enemies, and complete his mission.
- 6
Netherspire
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
Explore the ruins of a colossal tower and fight those who threaten its ancient vault in this short 3D Metroidvania.
- 7
Legends of the Universe - StarCore
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action with Gemini X.
Metroidvania style action/platformer with tons of abilities, enemies and exploration.
- 8
Freedom Planet 2
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action and Adventure with Gemini X.
The fast paced platforming of Freedom Planet returns! Become a full-time cartoon heroine and use abilities and items suited to your play style to explore the world of Avalice and defend its animal citizens!
- 9
Mighty Fight Federation
Single-player alternative to Gemini X — playable solo, no multiplayer required. Shares Action with Gemini X.
Slam opponents into walls, launch them into the air & follow up with fast, high-flying attacks in this brand new arena fighter. Choose from 13 different characters with unique play styles. Face off in head-to-head matches, team up with other fighters or embrace the chaos of 4-player free-for-all.