Gamer has been removed
For this achievement you have to play the following modes:
Single Player or Optional Co-Op
Arcade (1P-4P)
Survival (1P)
Multiplayer Modes (Requires at least 2 Controllers, Versus requires minimum 3)
Survival (2P-4P)
Crystal Quest (2P-4P)
Deathmatch (2P-4P)
Seize The Large Crystal (2P-4P)
Versus (3P - 4P) CONFIRMED you can do Player 1+2 versus Player 3. Only 3 controllers required!
Kill The Enemies (2P-4P)