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Defeat 250 Guardians in total

2 guidesOffline Game ModeSingle PlayerCumulative +
11 Sep 2010
3 1 1
This comes just by playing the game. I have defeated about 150 guardians in 3 hours, playing just arcade mode and about 5 Guardian Rush bonus mode games.

I'd like to fix your guide Spiffing WotWot, you get overkill mode by reaching level 20 in arcade mode. NOT by killing 20 guardians..
The easiest way to get overkill mode is by playing arcade mode on easy.
MugenKairoHis solution is correct only worded differently. In arcade mode each level is acquired by completely waves ending with a guardian not by enemy kills or points.
Posted by MugenKairo on 21 May 12 at 08:37