Location not disclosed
Use 1 appropriate item.
Do a total of 50 actions.
Discover 5 neutral reactions.
Defeat 6 waves in a row without dying
Do a 6 kill combo
Kill 4 enemies with 1 bowling ball
Kill 100 enemies
Kill an enemy right before it reaches you
Kill an enemy with your fist
Allow a fish to die and plug his own hole.
Added to commanders for ShellCore: Skirmish Jul 1, 2010.