Single-player games like Crazy Scientist
Below are 11 single-player Steam games similar to Crazy Scientist, 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 Crazy Scientist page.
Ranked picks
- 1
Smash Halloween Pumpkins: The Challenge
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Smash Halloween Pumpkins: The Challenge is a 2D Old School Action Platformer in which the mission of the player is to smash as many pumpkins as possible.
- 2
Trials of Azra
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Play as Sam, a kid that controls the dead! Defeat your enemies with magic and control their bodies to solve challenging puzzles!
- 3
Climbros
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Climbros is an arcade game with an amazing gameplay. You can explore beautiful and diverse worlds by yourself or together in co-op mode. Climb, discover, cooperate and have fun. Join Climbros.
- 4
3dSen PC
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie with Crazy Scientist.
3dSen is a unique emulator that transforms NES games into stunning 3D voxel dioramas. Relive your favorite retro titles like never before!
- 5
City Climber
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
City Climber is a silly physics-based game about a floppy ragdoll climber, who has to save the world. Find your way through diverse hand-crafted environments and enjoy funny challenges full of falling and destruction.
- 6
Plague Inc: Evolved
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Simulation with Crazy Scientist.
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
- 7
Kaze and the Wild Masks
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Go on a journey as Kaze in this 90’s classics inspired platformer. When the Crystal Islands get cursed, Kaze needs to save her friend Hogo while facing enraged living vegetables. Find the Wild Masks to unleash the powers of the legendary guardians and master land, sky and sea.
- 8
Only Way is Down
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Embark on a purrfectly perilous rage filled adventure as this lil kitty cat took an unfortunate catnap and ended up stranded sky high! With no way but down, master your feline agility and platforming prowess to navigate your descent through the urban jungle in this gravity defying escapade!
- 9
Battle of Frigates
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Have you ever played in Tanks in dendy? What if the battles took place at sea? Before you there is an ideological continuation - Battle of Frigates. Battle of Frigates – fun top down shooter where you are in the role of a frigate are fighting on the water, your enemies - the hostile enemy frigates, their bosses, guns, mines.
- 10
Psi Project
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Psi Project is a hardcore 2D shooter with elements of horror. The main character wakes up in an unknown place. Absolutely remembers nothing. Who he is and how he got here. Throughout search of answers he is strongly plagued by different kinds of hallucinations.
- 11
Psi Project: Legacy
Single-player alternative to Crazy Scientist — playable solo, no multiplayer required. Shares Indie and Adventure with Crazy Scientist.
Psi Project Legacy - is a new part of the hardcore 2D shooter with elements of horror. It all starts again. You have to go back to the very unfortunate complex to endure the horror.