Kenshiro enters the following settings of each FPS game:
1) Wolfenstein 3D (can include all modern games if necessary)
2) Doom (and Doom 64)
3) Heretic (and Hexen)
4) Duke Nukem
5) Shadow Warrior
6) Blood
7) Marathon
8) Strife
9) Quake
10) Half-Life
How far does he get in each setting? Let's assume BOTH gameplay mechanics and whatever backstory or lore the games have.