There are a maximum of 24 McDROID achievements (22 without DLC) worth 890
40 tracked gamers have this game, 1 has completed it (2.50%)
You have purchased no turret in Challenge mode. Even if it were possible, it would be a lethal showcase of anti-consumerism.
Unlocked by 2 tracked gamers (5% - TSA Ratio = 4.47)
Do you have a question about this achievement? Please post it in the McDROID Forum