10 Flies are annoyingDestroy 3000 enemy air units in the co-op campaign.
10 Hunting seasonDestroy 6000 enemy ground units in the co-op campaign.
10 It was ugly anyway...Destroy 2500 objects in the co-op campaign.
10 We might have underestimated them...Finish a mission with less than 10% core integrity.
10 BOOM!Destroy 6000 objects in the co-op campaign.
100 Easily distractedFinish all optional missions.
100 Simply the bestFinish all missions with a gold trophy.
20 Destruction beginsDestroy 5000 enemy ground units in the single player campaign.
20 Everything under controlFinish a mission with 100% core integrity.
20 One shot, one killDestroy 2500 enemy air units in the single player campaign.
20 Ready for battleStart a mission with your ship fully upgraded.
20 Something unnecessaryFinish one optional mission.
20 They won't need it anymoreDestroy 2000 objects in the single player campaign.
20 This airspace belongs to us nowDestroy 12000 enemy air units in the co-op campaign.
20 This world is too small for usDestroy 20000 enemy ground units in the co-op campaign.
20 Tower defenseBuild all types of towers in one mission.
25 Alien invadersFinish the co-op campaign.
25 Bunker busterDestroy the airbase headquarters during the Hawaii mission before the reinforcements are called in.
25 Extra moneyDestroy the convoy with military resources during the mission in the USA.
30 Can't touch thisFinish a mission without dying even once.
35 You shall not pass!Create a 1200 meters long path for enemies during the Canada mission.
40 FireworksDestroy 10000 enemy air units in the single player campaign.
40 I'm looking for treasureDestroy 5000 objects in the single player campaign.
40 Kill, crush and destroyDestroy 17500 enemy ground units in the single player campaign.
50 Good enoughFinish all missions with at least a silver trophy.
50 This planet is yours nowFinish the single player campaign.