Achievements
| Unlockable | How to Unlock |
|---|---|
| Alien Tears (20) | Earn at least a gold medal on all Story mode missions in The Awakening campaign. |
| Base Defender (20) | Complete the Story mode in The Awakening campaign. |
| Death From Above (10) | Fire the orbital laser. |
| Exterminator (20) | Destroy 1000 aliens. |
| Field Promotion (10) | Earn at least one silver medal in any mission after The Awakening. |
| Flawless Victory (15) | Earn at least one gold medal in any mission after The Awakening. |
| Master Strategist (30) | Earn a gold medal on at least 40 Story or Challenge mode missions in any campaign. |
| Nail Biter (15) | Win a mission with the last remaining core less than 10 seconds away from the map exit. |
| Planet Defender (20) | Earn at least a silver medal on all Story mode missions in The Awakening campaign. |
| Salvage Rights (5) | Destroy at least one boss alien. |
| Siege Breaker (25) | Survive all 99 waves on any Grinder challenge mode. |
| Tower Expert (10) | Build at least one of every tower type and available upgrade. |
