Complete 3 missions.

Complete 20 missions.

Complete 10 missions.

Upgrade to level 3.

Upgrade to level 7.

Win 1 battle in PvP mode.

Upgrade to level 11.

Win 20 battles in PvP mode.

Win 200 battles in PvP mode.

Kill 500 enemies in PvP mode.

Kill 50 enemies in PvP mode.

Kill 5000 enemies in PvP mode.

Medal count reaches to 300

Medal count reaches to 3000

Medal count reaches to 1200

Own 5 units

Own 10 units

Upgrade 1 unit to max level.

Own 20 units

Upgrade 8 units to max level.

Upgrade 15 units to max level

Boost consumption: 100 times

Boost consumption: 10 times

Boost consumption: 1000 times

Collect 30 skulls on the map.

Collect 10 skulls on the map.

Collect 60 skulls on the map