Life & fun · alternatives · 2026

24 alternatives to SimpleRockets

A sandbox space experience 🚀

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SimpleRockets launched in 2015; newer entries below may have overtaken it.

1. 1
   Oort Online▲65

   A voxel MMORPG sandbox

   2015 · its alternatives →

2. 2
   0RBITALIS▲60

   An abstract gravitational puzzler

   2015 · its alternatives →

3. 3
   Wings.io▲73

   Another fast paced multiplayer game

   2016 · its alternatives →

4. 4TA
   Toy – A thin C++ game engine▲180

   2018 · hugoam.github.io · its alternatives →

5. 5
   Universe Sandbox ²▲68

   Create & destroy on an unimaginable scale

   2015 · its alternatives →

6. 6
   Gridland ▲87

   An adictive roleplaying stacking puzzle

   2015 · its alternatives →

7. 7
   Tunnel Flight▲57

   A minimalist android game

   2016 · its alternatives →

8. 8
   Blocks▲85

   A minimalist browser-based game.

   2016 · its alternatives →

9. 9
   Space Engineers▲95

   Sandbox game focused on building a space station

   2015 · its alternatives →

10. 10CG
    Corsair Game – Minecraft Meets the Martian in Space▲54

    2016 · corsair-game.net · its alternatives →

11. 11
    Rising World▲73

    A voxel based open-world sandbox game

    2015 · its alternatives →

12. 12RA
    Redstone, a distributed Minecraft server that runs on Node.js▲125

    2013 · redstone.io · its alternatives →

13. 13GO
    Gamification.org - Open Source Game Mechanics▲76

    2010 · gamification.org · its alternatives →

14. 14
    circleup▲56

    Simple to play. Hard to master.

    2016 · its alternatives →

15. 15CA
    Cryptris, a video game on cryptography▲48

    2014 · cseweb.ucsd.edu · its alternatives →

16. 16
    Space Legacy▲69

    New Space Adventure from the creators of HOOP

    2016 · its alternatives →

17. 17
    Mars Colonies▲67

    A free old-school RTS... on Mars

    2015 · its alternatives →

18. 18
    Space Grub▲79

    Simple and fun space shooter

    2017 · its alternatives →

19. 19
    Dolly▲76

    Short artistic minimalist platformer

    2015 · its alternatives →

20. 20SS
    Space Shooter – Retro Game Recreated Using Python▲27

    2016 · github.com · its alternatives →

21. 21
    Starbound▲67

    An extraterrestrial sandbox adventure game

    2015 · its alternatives →

22. 22
    Dreamlike Worlds▲56

    A challenging puzzle platformer.

    2016 · its alternatives →

23. 23
    MC Lars: The Video Game▲63

    A beat-driven platformer

    2016 · its alternatives →

24. 24
    Animal Ratio▲77

    A super-fun minimalistic physics-based chaotic browser game

    2015 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →