#7GamesToKnowMe
I'm sure I've done this before, but let's give it another go.

Crash TwinSanity
Fallout: New Vegas
Jazz Jackrabbit 2
The Stanley Parable
The Ultimate Doom
XCOM 2
Halo 3: ODST

It's tricky coming up with just seven. Even if it was just listing your seven favourite games, it would still be hard work!