Complete all the levels.
Collect all the Useless Relics in one level.
Achieve all the hidden pixel mini-games.
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Collect half the Useless Relics.
Collect all the Useless Relics.
Kill 200 foes.
Kill 1000 foes.
Kill 25 foes by roaring at them.
Kill 100 foes by roaring at them.
Kill 8 enemies with a single roar.
Read all the signs.
