Single-player games like Replicube
Below are 13 single-player Steam games similar to Replicube, 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 Replicube page.
Ranked picks
- 1
TurtleCAD 3D
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
TurtleCAD 3D is an open-ended programming puzzle game/toy about writing code to pilot a sea turtle to create 3D polygonal graphics. Solve puzzles, pursue leaderboard glory, or just make art to share with the in-game community.
- 2
Crapht Box
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
Crapht Box is a Fantasy Physics Sandbox, inspired by the Fantasy Console genre. It brings a simulated world with a number of disks and tools, and leaves you to play, program, create and share disks.
- 3
marblebuilds
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
A creative marble physics sandbox. Place blocks on an infinite grid to build anything you can imagine: marble runs, functional calculators, precision platformer courses, playable minigames, pinball machines, automated music tracks, and more.
- 4
ProBelt
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
ProBelt is a game in which you calculate results by using mathematical operators. Conveyor belts are used to transport numbers between operators.
- 5
OmOchim
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
Build machines, contraptions and playgrounds out of everyday objects in a physics sandbox driven by visual programming. Overcome obstacles, save the city, create worlds. Every goal has a dozen answers. Every crash, collapse and explosion is just the next idea.
- 6
OCTOPTICOM 3D
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
OCTOPTICOM 3D is a major upgrade to your favorite open-ended puzzle programming game about designing and optimizing optical computing devices. Featuring 3D graphics and gameplay, refined ui, rewritten simulation, all original levels and components plus new additions, histograms and more.
- 7
Gravity
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
Welcome to the world of Gravity! 100 levels of physics and logic await you. Solve puzzles, place blocks, and enjoy completing each level!
- 8
Block Motion
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
Block motion is a puzzle / design game where you place functional blocks to design a working factory. Build your design, press play and watch your factory in action. You have the freedom to solve the challenges any way you want; The only limit is your imagination.
- 9
Picross Fairytale - nonogram: Red Riding Hood secret
Single-player alternative to Replicube — playable solo, no multiplayer required.
200 biggest nonograms! Discover the magical world of Red Riding Hood!
- 10
The Zachtronics Solitaire Collection
Single-player alternative to Replicube — playable solo, no multiplayer required.
The Zachtronics Solitaire Collection is here! Inside you will find all seven Zachtronics solitaire games, updated with new 4K graphics, plus one brand new Tarot-themed solitaire variant only available here.
- 11
Parking Garage Rally Circuit
Single-player alternative to Replicube — playable solo, no multiplayer required.
Retro Arcade Rally Racing... in Parking Garages?!? Precision driving with tight simple controls and arcade physics, all in a Sega Saturn style presentation
- 12
JellyCar Worlds
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
It's a Car, made of Jelly! Squishy Physics, Tactile, Silly & Imaginative Driving/Platforming
- 13
Pro Gymnast Simulator
Single-player alternative to Replicube — playable solo, no multiplayer required. Shares Simulation with Replicube.
THE 100% physics-based athlete simulator.