Unlock all items.

Use every active item at least once.

Combine at least two elements to form a new tower.

Combine three elements to form a new tower.

Get a bronze medal on a map.

Get a bronze medal on every map.

Get a silver medal on a map.

Get a silver medal on every map.

Get a gold medal on a map.

Get a gold medal on every map.

Get a platinum medal on a map.

Get a platinum medal on every map.

Equip a tower with an item.

Get a crystal medal on a map.

Get a crystal medal on every map.

Reach the global bronze rank.

Reach the global silver rank.

Reach the global gold rank.

Reach the global crystal rank.

Defeat a monster right before the portal.

Survive a map.

Survive a map without losing a single life.

Survive a map on difficulty level Master.

Use an active item for the first time.

Survive a map without using an active item or tower equipment.

Survive a map in 15 minutes or less.

Survive a map without building a tower that slows down or stuns monsters.

Skip a total of 10 minutes by calling waves in advance.

Defeat 1,000 monsters.

Reach the global platinum rank.

Complete 100% of the game.

Defeat 10,000 monsters.

Defeat 100,000 monsters.

Finish your first quest.

Finish all quests.

Defeat your first elemental.