I played this game yesterday, and grinded about 2 hours (while at work). This morning I get back on and all of my research from that grind is gone. This is disappointing. I have been a fan of the bloons games til this moment. Thanks for the waste of my time. - i have the same problem
 "StrikeForce Kitty"){kind=icon}
 "Bloons Super Monkey 2"){kind=icon}
 "The Grinns Tale"){kind=icon}
 "Rawr"){kind=icon}