This game should have a trading system. And challenging a friend should give you loot just like when you play the game with players you are not familiar with. It would me nice to have the freedom to chat freely with other players while playing and not be restricted to some short messages.
I wish there was a retry button even when you are not dead. I pressed quit and my health regeneration is vanished like I never bought it.. so yeah there are some bugs worth fixing
Everyone overestimates Romeo and Juliet when you can finish without them and forgets other basic monsters. For those who want to reach or surpass wave 25 in endless swirl make a team consisting of 1 entroalien (with one small speed gem), 2 chakra (three attack gems each) and 2 spartans (two speed gems each). you can easily reach level 27-29 with that team (depenting on the gems)
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It takes a long time to load "awesome", but we're working on improving it ;)