So i understand that this game is still in beta, but looking through everything, it feels like once you hit a wall on the levels your kinda fucked as you can't grind unless you beat ALL the levels. Basically you can't progress at all unless you shell out some real money, which then doesn't feel like a free game at all. I really want to like the game but in my opinion a free game should be free and not a demo you pay once the trial is over.