You don't have Adobe Flash installed. Please install the plugin from Adobe site.
scroll down

DO YOU LIKE THIS GAME?
Yes
No
100% ( 1 ratings )
Tower Defense with new levels, new bloons, towers and upgrades!
You are now playing Bloons Tower Defense 2 that is part of the game series: Strategy & RPG! We recommend you to play similar games to Bloons Tower Defense 2 like: Uphill Rush 7 Waterpark, Operate Now: Pacemaker Surgery, Douchebag - Beach Club Avg time: 2:41 , Plays: 462
1 player, Flash, Defense, Purchase Equipment Upgrades, Series, Tower, Balloons, Tower Defense.