Eh? Isn't it using the engine?
Looks like ass.
It's using some sort of id tech engine, but it's not confirmed as being id tech 5.
Are you sure it's not just the use of harsh unidirectional lighting with little-to-no bounce highlights? Swear to god, every ID game since Doom3.

Open-world bounty hunter FPS set on cyperbunk alien world.
It's like someone peeked into my brain and made my dream game. 
It's pretty bad-ass sounding.
I can't wait for the follow-up genres of steambunk and splatterbunk.

felt good when the guy said "no multiplayer"
NO SUPERFLUOUS MULTIPLAYER. NO WAITING IN EMPTY LOBBIES. OH, LORDY! Thank you, jesus.