Here is the full list of all 12 CellFactor: Psychokinetic Wars achievements worth 200 gamerscore.
Score 1,000,000 points
Unlock all rewards
Complete all challenges in the Guardian Campaign
Complete the tutorial for each character
Complete all challenges in the BlackOp Campaign
Win Death Match without being killed in a challenge
Complete all challenges in the Bishop Campaign
Perform 10 frags in a row with only your abilities in challenge mode
perform a kill using your ability for the first time in challenge mode
Try to be the first one that kills an enemy in challenge mode
Get 100 kills in Xbox LIVE ranked match
Perform 5 kills without being killed in a ranked match