I have a question, if I buy the Orb Doubler, does it double every time I buy it, or only the first time?

Zombie Vs Plants Was the best at this type of game, But You put one person going zig zag left right ? honestly what a horrible 5 min game to play untill you completely get overwelmed and die... Had this game been much like zombie vs plants where you get to at least plant or put down things that shoot the enemys at your own pace and made the game accessable to those that could manage the sun power from that game. Giving one person special powers like a charge up ability to go through all enemys , YAY... L...

I can't purchase any orbs or orbs multiplier. Can you gays help me out?

So last night I played a game starting at level 20 and made it to roughly level 135 (http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=378521644) before quitting. That was about 2 hours of play and after checking my achievements I saw that I only made about 250 tanks kills. I think this is really unbalanced in comparison to the other achievements. By comparison, I have achieved Behemoth Zapper level 3 (2500 Behemoths with Raygun) 2 days ago already, but I only have 794/1000 tanks for my Tank Zapper l...

Where are the saves located at? It's a pity that it doesn't feature Steam Cloud since this is a great game for my laptop.