Co-op Campaign Online

1. Zombie Army TrilogyZombie Army Trilogyhttps://giantbomb.com/wiki/Games/Zombie_Army_TrilogyOpens wiki page

2. Duke Nukem 3DDuke Nukem 3Dhttps://giantbomb.com/wiki/Games/Duke_Nukem_3DOpens wiki page

Megaton Edition

3. BloodBloodhttps://giantbomb.com/wiki/Games/BloodOpens wiki page

BuildGDX

4. Shadow WarriorShadow Warriorhttps://giantbomb.com/wiki/Games/Shadow_WarriorOpens wiki page

BuildGDX

5. Return to Castle WolfensteinReturn to Castle Wolfensteinhttps://giantbomb.com/wiki/Games/Return_to_Castle_WolfensteinOpens wiki page

Mod

6. DistrustDistrusthttps://giantbomb.com/wiki/Games/DistrustOpens wiki page

7. System Shock 2System Shock 2https://giantbomb.com/wiki/Games/System_Shock_2Opens wiki page

Himatchi? I need to test.

8. QuakeQuakehttps://giantbomb.com/wiki/Games/QuakeOpens wiki page

Now testing DarkPlaces...