Good art gone to waste. Buggy, doesn't take up my full screen, difficult/impossible to select enemies, crashed once, terrible menu system, and winning depends on lucking into good gem configurations rather than any sort of skill.
I hit a monster and dropped him to -50 but he didn't die. Had to wait for him to regen to +1 and then hit him again.
More importantly IE9 unexpectantly closed and I lost my Gold-league monster. No autosave? 1 star.
Like others who have commented, I was able to load the user content but couldn't play against it, making the first badge impossible. I had to reload the page and NOT hit the Multiplier button in-game. Instead click Browse them all under Featured User Content on the right side of this page.
If you recruit players and then go to the main menu before the first game, it saves the recruited players but not the fact that you did so. In other words, you can visit the player pool as many times as you want and keep upgrading until your team is perfect and/or you're broke.
@Waylum: This happened to me as well. You beat the game when you hit 75% immunization but you didn't get the endgame screen because you clicked on a state or something at that moment. You can stop. Your win is recorded.
 "Sydney Shark")
 "Hands of War 2")
 "Chuck the Sheep")
 "i saw her standing there")
 "Innkeeper")
 "Immortal Souls: Dark Crusade")
 "Kill the Heroes")
 "Monster Arena")
 "Mushroom Madness 3")
 "Monster Slayers")
 "Flaming Zombooka 3 : Carnival")
 "Papa's Freezeria")
 "Dream World"){kind=icon}
 "Hero's Arms")
 "Open Doors 2")
 "Cargo Bridge")
 "Crunchball 3000")
 "Pandemic: American Swine")
 "Canabalt")