I'm gonna ignore double letters, makes it's better:
Bation
The Bidding of Isaac
IT.TRIP Runner
BIT.RIP Runner
BIT.TRI Runner
Blocks That Mate
Bet Hazard
Beat Hard
Borderlads
Gay's Mod
Just Case 2
Let 4 Dead 2
LIMO
Psychonuts
Hank
Spiral Nights
Super Eat Boy
Tea Fortress 2
Word of Goo
(and yes, I just went down my Steam games list)