Solid game and very cool concept! Those yellow stars are killing me though. You go from pushovers enemies that move up a tile a turn, to some yellow blur that can skip up to 3 tiles and box you in with its twin brother in a single turn.
I really like the game but I wish it would go a bit easier on me ^^. I think an intermediate enemy, like one that could move up to two tiles for example, would make the difficulty curve a bit more gentle and let the player prepare for the real enemy.