It's like Telefragged and Warpspasm had a hideous bastard offspring that outgrew both of them.
70 minutes for a 100%, no-one fucking listen to him. It took me 2:30 hours just to get through it, albeit with a bit of backtracking.
1. Play slowly and carefully with a lot of duck and shoot.
2. Don't run amok in any areas unless forced to.
3. See 1.
4. Don't try power-up runs as it forces you to rum amok.
5. See 1.
Then it's probably a whole lot of fun. For me there was a lot of fun but a fair bit of frustration on some areas. Overall the sheer INTRIGUE of it kept me going, it really is an experience, like it's thematic ancestors. Congrats Mazu, it might be a bit rough around a few edges but it is an epic release and a must play.
2nd part here.