I discovered Quadradius a few days ago. It's an interesting game. It starts off kinda like checkers; all pieces are the same, and the goal is to capture/destroy all of your opponent's pieces. It evolves quickly into something else though, as power-ups give your pieces new abilities.

I love the unpredictability of the game, and the strategy it involves. The board often looks like a war zone by the end of the game. And the game's not over til its over; you (or your opponent) could capture a power-up that can quickly change the balance of power.

Anyway, very fun game; I highly recommend it, particularly if you like strategy games.