Welcome to the ultimate tower-defense game!
Be strong and battle!
Merge same cards to upgrade your troop.
Plan, choose smart to win this war.
What will be your BTS strategy?
Cool Features
◆ Win faster = more level up.
◆ Get new cards and strengthen every boxer, tower, spell.
◆ Learn their power, use them well, win the fight.
◆ Try various and unique stages.
◆ Check out your ranking on leaderboards.