github repo:https://github.com/EIT0/E-Engine.
you want to test the E-Engine without downloading?,  here you have a web version test.
oh yeah and also if you want to download the playable desktop version download is down.
this is an engine for friday night funkin called E-Engine – EIT-Engine Made by the E-Engine team composed by:EIT Coder/Director/Owner, NotExtrem Artist/Musician, LeCow Artist, EpikGogy Artist, MrJumpMan1000 Artist/Musician.