this may be a bug, but i don't know. after wave 5 on any map the cost for repairs goes away. sometimes i like to see the cost so i know how much i can afford to repair. if this isn't a bug, i'm sorry,if it is, please fix it.
There are new CCG games out that are starting to rival Elements. Supporters of Elements should keep Elements alive by advertising Elements to all of their friends. Elements.
two suggestions, allow us to keep leveling up untill we EXPLODE and make the enemy bubbles regenerate (as in if you kill everything in one bubble it would create new enemies over time)