MergeTD

MergeTD is a tower-defense game in which you place and combine towers to stop monsters from crossing the map. Monsters start in the lower-left corner and automatically find a route toward the upper-right exit. You arrange your defenses to intercept them and build up your firepower.

Combine towers

Connect more than three towers of the same kind to compose them into advanced towers. Upgrading more than three towers can also grant a stronger attack reward called a Super Attack Tower. A Composition item can transform a tower to the appropriate level for the current environment, while bombs deal direct damage to towers and enemies.

Towers and enemies

The six tower types have different attacks:

• Yellow Tower: single-target attacks that deal damage at high speed.
• Red Cannon: area damage, followed by a secondary blast that also damages enemies in its range.
• Blue Tower: slows enemies and deals damage within its range.
• Green Tower: deals prolonged ray damage along a line.
• Orange Tower: deals sustained damage within its range.
• Purple Tower: deals sustained damage that penetrates enemies.

Enemies include normal monsters with balanced health and speed, fast monsters with low health, and split monsters that divide into two when they die for the first time. Bosses have very high health.

Free play and leaderboards

The sandbox-style free-play mode lets you arrange your defenses to intercept enemies, creating different possible layouts. Leaderboards let you track your progress alongside players around the world.