C++20 FOSS clone of "Super Hexagon". Depends on SSVStart, SSVEntitySystem, SSVLuaWrapper, SSVMenuSystem, JSONcpp, SFML2.0. Features JSON/LUA customizable game files, a soundtrack by BOSSFIGHT, pseudo-3D effects.
Why do you think that https://github.com/crawl/crawl is a good alternative to SSVOpenHexagon