+ Good concept, fun gameplay, Artistic Design is good - Large difficulty ramp, only way to progress is to spend hours and hours of your time, watch ads or pay. Features hidden behind paywalls are ultimately of little value to player due to timesink, Watching of Ads required to progress even then still very slow Summary: There's a good game hidden in here behind blatant microtransactions and capitalization. Seems to be the running model with mobile games. No respect for players' time or money