Wierd, colorful little worm-like creatures with a hunger for colorful fruit and a penchant for musical instruments. Sounds like the formula for the latest pre-school PBS sensation. Instead, we're talking about a fun, quirky little puzzler called Yumsters! 2.

Take the simple kid's game Concentration, disguise it as something even easier and more kid friendly, then make it much more challenging and evil with each passing level. Flipped out is a super-polished and all around entertaining twist on a familiar game mechanic.