Complex sentence: Among features that Greene anticipates adding include custom games, modding support, and means to incorporate the game with streaming services like Twitch.tv that would enable replays or other features amenable to treating "Battlegrounds" as an eSport.
Split into simpler sentences: Among features that Greene anticipates adding include custom games and modding support. Greene also desires to incorporate the game with streaming services like Twitch.tv that would enable replays or other features amenable to treating "Battlegrounds" as an eSport.