best strategy for gold farmers, unlock the ninja, fully upgrade him, and then play the minotaur level over and over again with only the ninja fighting, since he only attacks from behind, the only enemies you have to worry about are the goblin thingies.
I got a glitch. when I was fighting the skull boss, I was on the edge of the screen, and all of a sudden I couldn't move away from the edge. just along the edge. got me killed.
 "Rune Raiders"){kind=icon}
 "Super Villainy"){kind=icon}
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