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LEGO Batman

1,5131,00046
LEGO Batman
LEGO Batman
Sidekick.

Complete a level in co-op.

Sidekick.0
4 guidesOffline Game Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Cooperative - These achievements can be obtained by two or more players in a cooperative game mode who have met the achievement requirements.Main Storyline - These achievements are gained automatically by progressing through the main game modes.
z0rrofoxz0rrofox285,614
15 Oct 2008
28 5 0
Just complete the first level with a friend. Enter co-op in the batcave though as the whole mission has to be done before the achievement unlocks. If you are short a controller and/or a friend, you can use the Guitar Hero guitar. it just takes a bit longer