Triple Tower Defense

This is a fun cross between Tic Tac Toe and Tower Defense!
When you've placed three or more similar towers in a row,
together they form a stronger tower.

Enemies enter at left top ,
and at they right bottom they disappear from the grid.
Open fire on your enemy to prevent him from reaching the exit.

Game features:

1. Sandbox strategy gameplay
2. Match three towers to upgrade
3. Match more than three towers can super attack upgrade
4. Dazzling effect of particles.
5. Neon geometric modeling style.

Special props:
1. bomb props,can clear any target,including the towers
and the enemyies ,even the boss.

2. wild props, can represent any type of tower.It is always
to select a high-level tower to fusion.

Tower type:
1. Gun tower only attack one enemy.
2. Cannon tower hit ther target can explode int range.
3. Laser towers can kill the enemy on whole line.
4. Slow speed tower, can slow down ther enemy speed

Enemy type:
1. simple enemy,Blood balance
2. fast enemy, move fast but low blod
3. fission enemy , when it firs destroy will fission two small enemys.
4. boss ,High blood, life is extremely tenacious!