Click to select towers and click again to place them.
SHIFT: place multiple towers of the same type
Spacebar: send in bloon rounds and toggle fast forward
Hotkeys: tower mouseovers tell you which hotkeys select which towers
Green disk: shows whether your most recent progress has been saved; green=all good, orange=trying to save but has not yet been saved so if it doesn’t update to green soon you should refresh, red=connection lost so refresh.
Bloons TD 5 has heaps of new features including all of your favourite towers from BTD4 with 8 awesome upgrades each instead of 4, and two brand new never before seen tower types. So much new awesome: tower upgrades with cool Super Activated Abilities, new Bloon types, fun new tracks with moving parts and tunnels, powerful Special Agent towers, Specialty Buildings, daily rewards, and daily challenges – a fun new challenge to play each and every day! Updates are coming all the time, so keep coming back to check out all of the new awesomeness. Have fun!