Nintendo Game Boy
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GBA Cheats, Codes, Hints, Tips, Walkthroughs, FAQs and Games
Strategy Guides.
Note: This only works for Stitch. Go to a level where you have all the
experiments (Stitch only). Play it for a little while, then press Start.
Select "Exit To Map". Go to any level desired (Stitch only). Scroll
through your experiments. You will have all of them.