Free Steam Game Code - Daily Riddle #67 100% POWERUP-WEEK

Hello Steemians,

welcome to the daily riddle #67!
We want to combine steemit.com and steam.com, so you can win one steam game everyday.
Solve the riddle and grab the random steam game code.

Rules:

The (x) are letters which must be solved in the following riddle
The (0) is a number betwen 0 and 9.
Vote and resteem that we can continue the riddles

My first is in acquisition but not in insouciant
My second is in hardheaded but not in reader
My third is in factious but not in acoustics
My fourth is in semipermeable but not in impressible
My fifth is in injection but not in innocent**