Board Thread:Game Suggestions/@comment-31446272-20170304172836/@comment-30336302-20170305050834

Do you mean BTD5? There is already a chat function. Click enter and type what you want to your partner, also see Coop Mode. Anyway, if you want something or see if you saw something wrong or affect the gameplay, contact ninjakiwi officials. Bloons wiki CAN'T help you with these issues.