Dev tools · alternatives · 2026

24 alternatives to Unity 3D

Great cross platform 3D/2D game development framework

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Unity 3D launched in 2015; newer entries below may have overtaken it.

1. 1
   Fabric for Unity▲90

   Focus on building amazing games, we take care of the rest.

   2016 · firebase.google.com · its alternatives →

2. 2
   Unity game development ▲8

   Create immersive, high-quality games with Unity technology

   Oct 2025 · kryptobees.com · its alternatives →

3. 3
   3DC.io – A dead simple cross-platform 3D design tool▲161

   3DC.io | Build Your Story

   2017 · 3dc.io · its alternatives →

4. 4
   Unity 3D in Docker▲88

   Docker container for Unity. Contribute to nenadg/docker-unity3d development by creating an account on GitHub.

   2017 · github.com · its alternatives →

5. 5
   Instant3d.ai▲142

   Copilot for generating 3d assets for Blender/Unity

   2025 · instant3d.ai · its alternatives →

6. 6
   Fig▲105

   A curated platform for funding and developing games

   2015 · fig.co · its alternatives →

7. 7
   Metal 2▲149

   Apple's graphics API is revamped, now with VR & ML

   2017 · developer.apple.com · its alternatives →

8. 8
   Pair3d▲91

   Bring the showroom to your living room

   2015 · its alternatives →

9. 9
   Crossyards▲88

   Tell a story in 3D pixel art

   2015 · crossyards.com · its alternatives →

10. 10
    O3DX▲61

    Prepare yourself for fast tracks

    2015 · store.steampowered.com · its alternatives →

11. 11
    3DC.io (3D Creationist)▲101

    The Easiest 3D Design Platform for Mobile Devices

    2016 · its alternatives →

12. 12
    Infinite Runner Engine▲90

    The best 2D+3D endless runner engine

    2016 · moremountains.com · its alternatives →

13. 13
    Mapbox Unity SDK▲131

    Real world location for Unity

    2017 · mapbox.com · its alternatives →

14. 14
    Rooms for iOS▲206

    3D interactive rooms

    2023 · apps.apple.com · its alternatives →

15. 15
    SimplePLanes▲62

    An interactive airplane building game

    2015 · store.steampowered.com · its alternatives →

16. 16
    Hunyuan3D-2.1▲141

    From images to high-fidelity 3D with PBR materials

    2025 · github.com · its alternatives →

17. 17
    Fuse▲188

    A UX tool suite for mobile app designers and developers

    2015 · fuse.no · its alternatives →

18. 18
    Render People▲130

    3D people for visualizations

    2017 · renderpeople.com · its alternatives →

19. 19
    Brawlhalla▲70

    A 2D platform fighter

    2015 · store.steampowered.com · its alternatives →

20. 20
    BuildBox▲135

    Make amazing Mobile games and publish them everywhere.

    2015 · signup.buildbox.com · its alternatives →

21. 21
    Time Rifters▲60

    Be your own teammates in this unique single-player co-op sh…

    2015 · its alternatives →

22. 22
    Refunct▲70

    Vibrant first-person platformer

    2015 · store.steampowered.com · its alternatives →

23. 23
    Akuatica▲77

    An action adventure game with puzzle elements

    2015 · store.steampowered.com · its alternatives →

24. 24
    Parallels▲74

    Control a lost sphere through a minimal world light & color

    2016 · apps.apple.com · 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 →