For a hard badge I personally think you should have had to save the bird on hard mode. Beating the game completely on normal, gets you all 3 badges and the card, so instant 80 points. Up the difficulty of the badges and it would be better. Great game.
 "Epic Battle Fantasy 4"){kind=icon}
 "The Last Canopy"){kind=icon}
 "Tactical Assassin 2"){kind=icon}
 "Dungeon Defender"){kind=icon}