Thread:LittleWhole/@comment-12498802-20150713151912/@comment-12498802-20150717193034

Specialty building stuff...

Upgrade 1 is cost.

Upgrade 2 is speed.

Upgrade 3 - soaked bloons lose two more layers when struck, rather than one more like normal.

Upgrade 4 - popped bloons leave Water on the track! (Like Monkey Glue)