more about Defense Grid0 / 16 🏆
0 / 300 points
| icon | info | score |
|---|---|---|
| Death From Above Fire the orbital laser. unlocked Sep 20th, 2009 4:37 pm | 10  | |
| Exterminator Destroy 1000 aliens. unlocked Sep 16th, 2009 10:56 pm | 20 | |
| Field Promotion Earn at least one silver medal in any mission after The Awakening. unlocked Sep 16th, 2009 9:53 pm | 10 | |
| Salvage Rights Destroy at least one boss alien. unlocked Sep 16th, 2009 10:09 pm | 5 | |
| Master Strategist Earn a gold medal on at least 40 Story or Challenge mode missions in any campaign. | 30 | |
| Alien Tears Earn at least a gold medal on all Story mode missions in The Awakening campaign. | 20 | |
| Planet Defender Earn at least a silver medal on all Story mode missions in The Awakening campaign. unlocked Sep 26th, 2009 8:39 pm | 20 | |
| Siege Breaker Survive all 99 waves on any Grinder challenge mode. unlocked Sep 21st, 2009 5:32 am | 25 | |
| Base Defender Complete the Story mode in The Awakening campaign. unlocked Sep 20th, 2009 6:10 am | 20 | |
| Tower Expert Build at least one of every tower type and available upgrade. unlocked Sep 20th, 2009 4:47 pm | 10 | |
| Flawless Victory Earn at least one gold medal in any mission after The Awakening. unlocked Sep 16th, 2009 9:53 pm | 15 | |
| Nail Biter Win a mission with the last remaining core less than 10 seconds away from the map exit. unlocked Sep 22nd, 2009 10:38 pm | 15 | |
| Regional Deluge Earn a gold medal on the Campaign mode of Kill Zone and Overflow. | 10 | |
| Civil Divergence Earn a gold medal on the Campaign mode of Urban Planning and Tactical Diversion. | 10 | |
| Circular Hazard Earn a gold medal on the Campaign mode of Risk Exposure and Roundabout. | 10 | |
| Combat Turmoil Earn a gold medal on the Campaign mode of Service Interruption and Height of Confusion. | 10 |
