Artisan TD

The Line

Surviving with a path of more than 50 tiles

Administrator

Surviving with a path of more than 75 tiles

Luna Park

Surviving with a path of more than 100 tiles

Builder

Have used all towers.

Experimentalist

Have used all LVL3 towers.

Engineer

Have used all Elite towers.

Grand Master Artisan

Perfect the main quest (in Nightmare difficulty)

Lava Lovers

Perfect the first wave without any tower – Board 12

Atheist

Perfect without divine blessing – Board 15 (in Veteran difficulty or higher)

Apprentice Ecologist

Perfect without selling any tower – Board 5

Artisan Ecologist

Perfect without selling any tower – Board 10 (in Veteran difficulty or higher)

Master Ecologist I

Perfect without selling any tower – Board 11 (in Nightmare difficulty)

Master Ecologist II

Perfect without selling any tower – Board 18 (in Nightmare difficulty)

Master Ecologist III

Perfect without selling any tower – Board 20 (in Nightmare difficulty)

Master Ecologist IV

Perfect without selling any tower – Board 22 (in Nightmare difficulty)

Master Ecologist V

Perfect without selling any tower – Board 28 (in Nightmare difficulty)

The Tightwad

Perfect with 1000 coins – Board 23 (in Nightmare difficulty)

Maze

Surviving with a path of more than 55 tiles – Board 28

Maze II

Surviving with a path of more than 67 tiles – Clouds 2

The Tightwad II

Perfect with 2500 coins – Clouds 3 (in Nightmare difficulty)

Clouds

Finish Clouds 1, 2, 3.

Octogolem

Defeat Octogolem

Master Ecologist VI

Perfect without selling any tower – Anniversary (in Nightmare difficulty)