A long list of implementations and variations of the Game of Life which I found on itch.io (I am sure that there are many more "out there"),

1. Game of Life by AikonCWD, made with Unity
2. Game of Life by Stytch, made with Unity
3. Game of Life by phasefx,  made with DragonRuby GTK
4. Game of Life by egordorichev, made with PICO-8
5. Game of Life by Raiden, made with MonoGame
6. Game of Life by Yoan Lechevalier, made with Unity
7. Game of Life by Lakes Production, made with Unity
8. Game of Life by Samael0_0, made with ggez (rust)
9. Game of Life by sniffle6, made with Unity
   
10. Game of Life by susan strong, made with Unity
11. Game of Life by Tiffany Lam, made with Unity
12. Game of Life by ivaCode, made with Unity
13. Game of Life by ohcurtains, made with Pixel Game Engine (c++)
14. Game of Life by cody9443, made with Unity
15. Game of Life by damaca, made with javascript
16. Game of Life by JusaT, made with Unity
17. Game of Life by Tretyakov Egor, made with Unity
18. Game of Life by LazyHorseman, made with [?]
19. Game of Life by IronPowerTGA, made with Monogame
20. Game of Life by Aragaz, made with Unity
21. Game of Life by Baptiste Villain, made with GameMaker
22. Game of Life by lvl5hm, made with Unity
23. Game of Life by ZJ1, made with Unity
24. Game of Life by Vollidiotischer, made with Unity
25. Game of Life by John Rudy, made with Unity
26. Nolan Filter's Conway's Game of Life Game by irreverentQ, made with Unity
27. Conway's Game of Life by Tzoop, made with Unity
28. Conway's Game of Life by Antfs10, made with [?]
29. Game of Life^2 by BtheDestroyer, made with [?]
30. Straaberg's Game of Life by Straaberg, made with Godot
31. Game of Life by PtitPoly, made with Unity
32. Game of Life by Methylene, made with SuperPowers
33. Conway's Game of Life [Unity] by Chan Zhe, made with Unity
34. Game of Life by Le Gab, made with [?]
35. Game of Life by GhostTheBoo, made with [?]
36. Conway's Game of Life by KnightCoder, made with Love
37. Conway's interesting game of life by Pixel42, made with Godot
38. Game of Life 3D by Kodub, made with Three.js
39. Juicy Game of Life by Ezra Szanton, made with Unity
40. Hexagonal Game of life by Agar3s, made with [?]
41. PICO-8 Game of Life by Giantlan2, made with PICO-8
42. Out of Control Game of Life by GhostTheBoo, made with [?]
43. Conway's Game of Life by TorchFire, made with Unity
44. Conways Game Of Life by OneEgg42, made with [?]
45. Conway's Game of Life by Jonathan Hunter, made with PICO-8
46. Conway's Game of Life by ashn, made with [?]
47. The Game of Life by Kilz Knight, made with Unity
48. Simple Game of Life by rafaelgdp, made with [?]
49. Game of Life (and Death) by DroughtFlake, made with [?]
50. Game of Life Implementation by BuffCat, made with Unity
51. Godot GPU game of life by tavurth, made with Godot
52. Game of Life Playground by seedgamelab, made with SFML (c++)