Life & fun · alternatives · 2026

24 alternatives to Planetarium

An 8-bit planet generator

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

1. 1
   Planetarium▲3

   Procedural, pixel-art planet generator.

   2015 · its alternatives →

2. 2ES
   Eigengrau's Generator – A procedural city generator for tabletop gaming▲153

   2019 · github.com · its alternatives →

3. 3
   Astroneer▲98

   A game of aerospace industry and interplanetary exploration

   2015 · its alternatives →

4. 4GO
   Gamification.org - Open Source Game Mechanics▲76

   2010 · gamification.org · its alternatives →

5. 5
   Hundreds▲63

   A puzzle game about space

   2015 · its alternatives →

6. 6
   Gridland ▲87

   An adictive roleplaying stacking puzzle

   2015 · its alternatives →

7. 7
   Polycade▲72

   A modern arcade cabinet

   2015 · its alternatives →

8. 8
   0RBITALIS▲60

   An abstract gravitational puzzler

   2015 · its alternatives →

9. 9CA
   Crown – A flexible game engine written from scratch in C++▲193

   2017 · github.com · its alternatives →

10. 10
    Battlecade▲87

    A portable vintage gaming concept for two

    2015 · its alternatives →

11. 11
    Catacomb Kids▲58

    A roguelike pixelly platformer

    2015 · its alternatives →

12. 12
    Cursortag▲83

    Chatroulette meets Asteroids

    2015 · its alternatives →

13. 13
    SimpleRockets▲54

    A sandbox space experience 🚀

    2015 · its alternatives →

14. 14
    Stellarium▲7

    An Open Source Planetarium

    2017 · its alternatives →

15. 15
    Space Dice▲55

    A Game of Galactic Proportions

    2015 · its alternatives →

16. 16
    Interplanetary▲53

    Turn-based space exploration sweetness

    2015 · its alternatives →

17. 17
    Dreamlike Worlds▲56

    A challenging puzzle platformer.

    2016 · its alternatives →

18. 18GM
    Garden Madness, a flowery HTML5 game▲53

    2011 · thearca.de · its alternatives →

19. 19
    GROW v3▲60

    Amazing combination game

    2015 · its alternatives →

20. 20WG
    WebGL Games▲83

    2015 · webgl.nu · its alternatives →

21. 21SA
    Strife, a 2D game library for Go▲85

    2018 · github.com · its alternatives →

22. 22TC
    The Choice – An online programming puzzle RPG▲95

    2013 · thechoice.amos.me · its alternatives →

23. 23
    ION▲57

    A physics and biology based space exploration game

    2015 · its alternatives →

24. 24
    SEED▲74

    A pixelated puzzle game with minimalistic controls

    2016 · 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 →