Unlock everything.
Reach wave 80 in any endless mode.
Play all basic maps.
Play all advanced maps.
Play all challenge maps.
Complete all virus spawner quests at least once.
Create a cluster of at least 100 pipelines and connect it to a tower.
Learn all skills of a skill tree on a single tower in one run.
Connect the target on Final Mission with one of the start tiles with a continous cluster.
Let a virus spawner reach the maximum level.
Play a player map.
Solve 50 quests in one run.
Lose 3 towers to a memory leak biome and still win the map.
Unlock a first upgrade for a tower.
Use your first skill point.
Defeat your first boss.
Destroy a bug biome.
Unlock each tower upgrade at least once.
Play each campaign map at least once.
Reach wave 40 in any endless mode.
