Single-player games like Hydrogen Game
Below are 10 single-player Steam games similar to Hydrogen Game, 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 Hydrogen Game page.
Ranked picks
- 1
Force and Motion
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Force and Motion is a physics puzzle game where you apply your knowledge of real physics to solve puzzles in the game.
- 2
VTuberのQ
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
The latest installment of 'Q REMASTERED,' the physics-based puzzle sensation that took off among Japanese streamers in early spring 2023, is now on Steam! It's 'Q ｗith VTubers'!! Challenge the bizarre and difficult puzzles created by over 20 VTubers who mastered Q!
- 3
Aptamirror
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Aptamirror is a meditative physics-based puzzle game inspired by molecular biology. Manipulate RNA strands by grabbing, mutating, cleaving, and ligating to match increasingly complex target structures. Challenge yourself with 50 handcrafted puzzles designed by a PhD Biochemist. Think. Fold. Repeat.
- 4
FRUIT GAME
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Fruit Game is a very easy-to-play puzzle game. Aim, drop and stick fruits together to get a high score!
- 5
Ghosted: The Puzzle Master
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Guide the ghosts home by solving color puzzles. After solving color puzzles designed by a unique master, you will soon become a puzzle master too. Oh, and don't miss Master's big band music.
- 6
Quizverse
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
A relaxing quiz game with Free Play, Millionaire (with and without timer), and 100-Second modes. Test your knowledge of geography, history, sports, science and more – improve your high score and have fun doing it!
- 7
Young Detectives: Space
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Dive into a world of colorful discovery with the ultimate spot the difference game designed for young minds! Your mission is to identify the subtle distinctions between seemingly identical scenes.
- 8
Young Detectives:School
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
Dive into a world of colorful discovery with the ultimate spot the difference game designed for young minds! Your mission is to identify the subtle distinctions between seemingly identical scenes.
- 9
From The Mystery Zone
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required. Shares Indie and Casual with Hydrogen Game.
You find yourself in a pitch-dark world. Avoid dangerous events, restore memory, and escape from the “Mystery Zone”.
- 10
Add Flyers To Dreams
Single-player alternative to Hydrogen Game — playable solo, no multiplayer required.
Would you like to run ads in dreams? “ADD FLYERS TO DREAMS” is a flappy roguelike game where you fly around inside dreams, inject ads, stack up contracts, and earn cookies.