Single-player games like polymorphite
Below are 8 single-player Steam games similar to polymorphite, 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 polymorphite page.
Ranked picks
- 1
The Last Librarian
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
Fight tons of robots, upgrade your abilities and explore an abandoned artificial planet with your jetpack in this non-linear shoot'em up adventure! Play as Gabriela Xanchez, a galactic government agent sent to investigate a dying world and find the last paper book in the galaxy.
- 2
SIT DOWN, PLEASE
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
Step into a scientist's shoes in a story driven game which leads you to discover a mysterious and unknown world by torturing characters. In order to find out all the hidden secrets, try to keep the guinea pigs alive for as long as possible by using the scientist's machinery.
- 3
Project:Sphere
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Casual with polymorphite.
Arcade video game in 3D, of frenetic action, in which you will have several modes to test your skills, maps that will change as they look, maps that will change their structures, skins for your sphere! Fight to survive or kill everything you can in this game full of spheres!
- 4
BURST WITCH
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
A bullet hell game with the classic scrolling shooter gameplay
- 5
RUST MOON
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
RUST MOON is a cyberpunk pixel side-scrolling action game. Play as ALPHA-7, whose memory has been rewritten, and cut through blockades with firearms, blades, and cyberware abilities — from the neon city all the way to a lunar base. Someone wrote your past for you. What comes next is up to you.
- 6
Hell Division
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
Hell Division is a game from the 3rd person, which is a battle of combat drones.
- 7
The Wraith of the Galaxy
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
The Wraith of the Galaxy is a third-person space combat game. Aliens have taken over outer space in order to conduct experiments on entire planets. Destroy them or they will destroy you.
- 8
ATONE: Heart of the Elder Tree
Single-player alternative to polymorphite — playable solo, no multiplayer required. Shares Indie and Adventure with polymorphite.
ATONE is a Norse mythology-inspired, hand-drawn game that blends interactive storytelling and complex puzzles with a rhythm game combat system. Inherit the role of a young warrior named Estra as she journeys through Midgard to unveil the truth behind her father’s death.