Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 2D Portals launched in 2016; newer entries below may have overtaken it.

1. 1
   Trine 2▲63

   A sidescrolling game of action, puzzles and platforming

   2015 · trine2.com · its alternatives →

2. 2
   Polycade▲72

   A modern arcade cabinet

   2015 · polycade.com · its alternatives →

3. 3
   Gateway▲56

   A puzzle-based platformer where you control a robot

   2015 · cockroach.se · its alternatives →

4. 4RL
   Real-life "Portals" using a Projector and a Kinect▲7

   2012 · radicade.posterous.com · its alternatives →

5. 5
   WEAVE▲78

   An abstract journey of two characters coping with their past

   2015 · taut-nerve.itch.io · its alternatives →

6. 6
   ShapeConnector▲85

   A simple open source puzzle game.

   2016 · its alternatives →

7. 7
   The Way▲74

   A 2D puzzle platformer with a retro feel

   2016 · store.steampowered.com · its alternatives →

8. 8
   EyeWire▲57

   A crowdsourced game to map the 3D structure of the brain

   2015 · eyewire.org · its alternatives →

9. 9
   EyeWire▲59

   A crowdsourced game to map the 3D structure of the brain

   2015 · eyewire.org · its alternatives →

10. 10PG
    Procedurally generate 2D spaceship sprites through directed evolution▲8

    2015 · proceduro.github.io · its alternatives →

11. 11AR
    A React port of Sketch's grid system▲7

    2018 · medium.com · its alternatives →

12. 12TG
    The Grid engine, a beautifully designed 2D game engine▲7

    2015 · andrewmcwatters.com · its alternatives →

13. 13
    Tophat – a 2d game framework for Umka▲5

    Tophat 2d game framework

    2023 · tophat2d.dev · its alternatives →

14. 143B
    3D browser based multiplayer game▲7

    2015 · biome3d.com · its alternatives →

15. 15AA
    An Avatar game with realistic physics▲6

    2020 · fraser-greenlee.github.io · its alternatives →

16. 16MA
    Mathematical Art for plotters▲7

    2019 · codepen.io · its alternatives →

17. 17
    Two Dots▲4

    Sequel to Dots. Minimalist puzzle game.

    2014 · apps.apple.com · its alternatives →

18. 18
    Lightweight 2D/3D engine in D with Raylib▲8

    2022 · github.com · its alternatives →

19. 19
    Orakyubu, a game about 2D puzzles in 3D space▲9

    A game about 2D puzzles in 3D space

    2021 · peterlavigne.itch.io · its alternatives →

20. 20WT
    Webbased Terminal Game▲5

    2020 · command-line.online · its alternatives →

21. 21TR
    Tunnel Rat, A 3D webgl game to work your memory and spatial orientation▲5

    2019 · sras.me · its alternatives →

22. 22JM
    JS module for generating Dwarf Fortress style 2D maps▲5

    2014 · benwasser.github.io · its alternatives →

23. 238A
    8192px, an expanding collaborative pixel art canvas▲5

    2017 · 8192px.co · its alternatives →

24. 24TR
    The Remote Space (inspired by usepanda)▲5

    2015 · theremote.space · 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 →