Think rogue and nethack raped by a casual indie developer. Cute graphics, fun, pick up and play, confusing (personally I like the ambiguity of the items).

If you like the genre throw a few dollars this way.

How have I not recommended this already? Braid will go down in my mind as the greatest puzzle game ever made. It's a simple platform game with oh so many twists, each world has variations that really do your head in.

Check out the video, no scratch that... buy the dam game if you want indie game of the century.

A clone of the infamous Katamari games from the PS2. It's a fairly poor clone, but I have such a love for the Katamari game I'm going to recommend it anyway. If you don't know what this Katamari thing is.. lets sum it up:

You roll around to pick things up, get big, roll up bigger things... keep rolling until you can roll up cars and houses... FUN!