Very interesting premise, simple controls, addictive gameplay -- different waves of enemies each day, ship upgrades to huge battleships and daily leaderboards.
Currently my best score is 76 and 50th place on leaderboards (I know I suck)
Check it out and post your hiscores here!
http://store.steampowered.com/app/551450/
http://www.indiedb.com/games/furious-angels