Puzzle with giveaway. ENDED

aehuahuaehhu I gave up already

for solved, bump!

Missing 3 & 8

I can tell you 3 & 8 in exchange for 5 & 10

stuck on 3 & 4, but it's pretty fun

bump4solved!

Answered Q7: We kill the batman

Bump for solved.

Hints are online. Dark Souls awaits me, wish me good luck.

i cant figure out the last one

Bumping, 3 hrs left.

Only got Q3 left, this is a difficult one. Is it well known? ^^

Giveaway ended. Here's the answers:
1- Borderlands 2
2- Master key
3- Metal Slug
4- Killing Floor
5- City Interactive
6- Necrovision
7- Simple
8- Spec Ops: The Line
9- Torchlight 2
10- Super Hexagon