I had some sound issues. The special attack that sends a horde of people across the screen made noise even when I had the sound turned off. The music was off too, but it kept turning back on, perhaps because I was switching between another browser tab.
Great game, but I have one quibble. The status affects aren't consistent. Sometimes "Freezing" means one thing and sometimes it means something completely different.
NEW BUG: Sometimes I don't get a card. Once this happened at the beginning of the game, leaving me with only four cards. It just happened now when I was dealt a new card, but nothing appeared. I can't click on it, but the other four are still there.
I really like the game in general, but I don't like how the leveling works. If you're not doing particularly well, you don't level as fast as the enemies. Which means they are stronger than you, making it harder to beat them by a lot, so you don't get a lot of experience, meaning you get farther and farther behind. It's like the difficulty level of the game adjusts to your skill level, except in reverse.
Saving in this game is messed up. I saved the game, came back an played a level, then saved and quit again. When I started again, it took me back to the *first* save, I'd lost my progress from last time! I tried quitting without saving in a hope that I had missed something in the main menu and could try again. My save game was completely gone! Quitting without saving completely destroys your progress! Very badly done.
 "SHIFT 3"){kind=icon}
 "270: White House Tower Defense"){kind=icon}
 "Talesworth Arena: Death Watch"){kind=icon}
 "Whiteboard Tower Defense"){kind=icon}
 "Battalion: Nemesis"){kind=icon}
 "The Necronomicon"){kind=icon}
 "Ultimate Defense 2"){kind=icon}
 "Hedgehog Launch"){kind=icon}
 "Hexiom Connect"){kind=icon}
 "Epic war"){kind=icon}