Life & fun · alternatives · 2026

24 alternatives to GoNNER

procedurally-generated 2D platformer with roguelike elements

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

1. 1AG
   A game engine for the terminal in Go▲109

   2015 · github.com · its alternatives →

2. 2AR
   A roguelike game that runs inside Notepad++▲155

   2025 · github.com · its alternatives →

3. 3SA
   Strife, a 2D game library for Go▲85

   2018 · github.com · its alternatives →

4. 4AM
   Asterogue, my sci-fi roguelike, is now playable on the web▲331

   2024 · asterogue.com · its alternatives →

5. 5
   The Way▲74

   A 2D puzzle platformer with a retro feel

   2016 · its alternatives →

6. 6
   TurnOn▲59

   Colorful and detailed platformer without platforms

   2016 · its alternatives →

7. 7IB
   I built an indie, browser-based MMORPG▲340

   I've been working on an MMORPG that is now in alpha as a solo developer. Here are the major open source technologies that I use: Blender - 3D modeling software for creating the overall environment and every game object. I've gotten a lot of CC and Public Domain assets from https://poly.pizza GLTF - I export assets from blender to the GLTF asset format JSON - I write a JSON config for every game object that describes things like its name, its interactions, its collisions, etc. Node.js exporter - I iterate over the environment and every asset to create a scene hierarchy. I use…

   2024 · alpha.reconquer.online · its alternatives →

8. 8GI
   GoCode.io – A Golang Game in the Browser▲129

   2019 · gocode.io · its alternatives →

9. 9
   ShapeConnector▲85

   A simple open source puzzle game.

   2016 · its alternatives →

10. 10SO
    Sprig, open-source game console and engine, by teenagers for teenagers▲274

    2022 · github.com · its alternatives →

11. 11AO
    An Open Retro RPG Game Maker in Python▲215

    2016 · github.com · its alternatives →

12. 12
    RangerSteve.io▲60

    Aggressive 2D shooter with jump jets and lots of guns!

    2016 · its alternatives →

13. 13ES
    Eigengrau's Generator – A procedural city generator for tabletop gaming▲153

    2019 · github.com · its alternatives →

14. 14
    Transistor▲137

    Sci-Fi themed RPG masterpiece from the makers of Bastion

    2015 · its alternatives →

15. 15
    Slither.io▲92

    Snake meets Agar.io

    2016 · its alternatives →

16. 16
    Jupiter Hell▲54

    A modern turn-based sci-fi roguelike

    2016 · its alternatives →

17. 17OL
    Our little html5/js dungeon crawler.▲71

    2010 · tametick.com · its alternatives →

18. 18
    CNTR▲109

    A platformer where you got to escape the circuit labyrinth

    2016 · its alternatives →

19. 19GJ
    GBA.js, a Game Boy Advance emulator written in JavaScript▲76

    2012 · jpfau.github.com · its alternatives →

20. 20
    LIMBO▲117

    A beautifully crafted 2D sidescroller

    2015 · its alternatives →

21. 21
    Almost Impossible!▲111

    A side-scrolling atmospheric puzzle platformer

    2015 · its alternatives →

22. 22A2
    a 2D platformer game I've been working on▲47

    2013 · onlinehut.org · its alternatives →

23. 23
    Playdead's INSIDE (Now for iOS)▲98

    Adventure game with 2D sidescroller

    2017 · its alternatives →

24. 24
    Gone Home▲83

    A first-person interactive story adventure 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 →