Gamer has been removed
Third option down (Multiplayer)
Top option: Ranked
Third Option host the game.
In the lobby: Third option, set all to yes.
first option: quick search.
Player 2: Third option in the lobby: set all to no.
In the game:
Player 3 & 4: Kill yourselves.
After 5 rounds, the host presses B to return to lobby. Everybody else can press B. On launching the second round, the host should get the achievement.
In the lobby:
First option is ready up. (Launch game if you're the host.)
Second option is switch teams.
The third options are leader preferences. (Yes to be leader, no to be support)
Dashboard when you get it.