Top Ten PC (Steam) Exclusive Games

1 Goat Simulator

2 Happy Wheels

But this game is NOT on Steam..

3 Octodad

4 Slender

5 Broforce

6 Undertale

7 Outlast

8 Trials Fusion

9 Five Nights at Freddy's

10 Sonic.Exe

The Contenders

11 Sonic Unfair

12 Spore

13 Sims 3