there might be a memory leak, stopped seeing the level lost text, the Electric gun eventually became invisible (but still deadly) and level 31 gets slower and slower.
you can replay level 1 and keep getting 150 research for not loosing any cows. easy to max out research this way. seems like a bug but maybe its just "casual"
BUG: later in the game i got stuck in the ceiling after jumping... i managed to get un-stuck a few other times, but not this time. would have to refresh to page to continue. :(
Bug: get the red train to the end, while it is disappearing into the goal, click Skip. the Level Complete Screen will be permanently stuck on the screen nonoperational.
the tweens and transitions between game-screens look very nice, but you should disable all buttons during these transitions. to avoid bugs.
all goals / achievements should check retro-actively (currently only some do). no fun to have to hire an accountant for an achievement when you already have many of them
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 "Help the Hero")
 "Droid Assault")
 "Robots vs Zombi")
 "The Soul Driver")
 "The Last Survivor")
 "Little Samurai")
 "Portal Cannon")
 "Grey Wars TD")
 "Edmus")
 "Elephant Quest")
 "Run 2")
 "Choo Choo Puzzles")
 "Pestilence Z")
 "Mitoza")
 "Corporation Inc."){kind=icon}
 "Arm of Revenge")