Defense Grid: The Awakening Cheats

Cheat Codes
Click and hold the right analog stick and press the following directions on the D-pad. A confirmation message will appear in the bottom-right of the screen. Warning: Entering any of these cheats will disable the ability to earn medals.

[Right], [Right], [Right], [Right]: 100,000 resources
[Up], [Left], [Down], [Right]: Cores cannot be taken
[Down], [Up], [Down], [Down]: Free camera mode
[Up], [Up], [Up], [Up]: Instant victory
[Left], [Right], [Left], [Right]: Kill all aliens
[Up], [Down], [Down], [Up]: Kill all aliens carrying cores
[Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right]: Level select
[Down], [Down], [Down], [Down]: Self-destruct (instant defeat)
[Down], [Up], [Down], [Up]: Toggle target reticle
[Up], [Down], [Left], [Right]: Unlock all tower types

Achievements
Complete each achievement to receive the allotted gamerscore.

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.