I'll just link to a long gameplay video I found on YouTube, which shows everything you need to know:
The game contains several minigames split into these categories: Language, Numeracy, Logic, Visual, and Memory. The Logic ones are embarassingly simple, at least at the first three levels. Hopefully they'll get more difficult afterwards, though they're still mostly the kind of questions you would find in a run-of-the-mill IQ test.
I like the visual style, but on my iPod it looks a lot worse than in the video—it's clearly low res, and seems to have some alpha issue around the edges of the textures.
Still, cheaper than this would mean free, so if you're remotely interested, this is the time to get it.
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