1. TD 1 : Accomplished 2 Flawless waves (no monster in your base)
完美防御两波攻击
2. TD 2 : Kill 300 monster with traps
用陷阱杀300只怪物
3. TD 3 : Build at least 20 traps
建造20个陷阱
4. TD 4 : Build all 6 salvage recycler?
建造六个增加零件的仪器
5. TD 5 : Build rocket? Upgrade fully xxx traps?
建造所有陷阱
6. TD 6 : Build many trap in top map?
在最上方地图建造陷阱