Here is the full list of all 38 Destroy All Humans! – Clone Carnage achievements.
Complete 100 online matches
Earn a three star rating on all Local Multiplayer Co-op challenges
Complete a local match in Race mode
Complete a local match in Abduction mode
Complete a local match in Armageddon mode
Complete a local match in Rampage mode
Complete 50 online matches
Kill another player using a chicken
Using Psychokinesis, catch an incoming missile
Revive another player in online mode
Use the Quantum Decontructor
Win first place in all versus challenges
Win a match in Armageddon mode
Get stunned by another player
Destroy the saucer once in Armageddon mode
Stun another player in Online Multiplayer while controlling the UFO
Kill another player while controlling the UFO
Be the first to board a UFO in Armageddon mode
Complete all versus matches
Finish an online match in Armageddon mode
Win a match in Rampage mode
Kill 10 enemies with one shot of the Ion Detonator
Finish an online match in Rampage mode
Reach the drone in Race mode after the first player finished the course.
Finish an online match in Race mode
Win one Race in Online Multiplayer
In Abduction mode, find and abduct all special targets
Steal a score cube of a dead player
Fly 99.99 meters or more using the jetpack
In an online mutliplayer game, use Psychokinesis to stun another player
Kill another player in Online Multiplayer while they are stunned
Reach a total player death count of 10 in one match
On Turnipseed Farm abduct the agent in Abduction Mode
Drown once in water
Win a match in Abduction mode
Finish an online match in Abduction mode
Play an online match without any upgrades
Throw the wrong object into the Beam while in abduction mode