why just release the forge mode of Halo 5, when you can release the whole game?
Feel free to use the existing thread on this OP 
https://www.halowaypoint.com/en-us/forums/6e35355aecdf4fd0acdaee3cc4156fd4/topics/halo-5-on-pc/525dadaf-2c2b-4626-8c48-c7c83e150d46/posts