Here is the full list of all 44 Command & Conquer 3: Kane's Wrath achievements worth 1,000 gamerscore.
Complete Act 1 of the Campaign
Complete all Campaign missions on Hard Difficulty
Complete 'Kane's Challenge' with the Steel Talons
Defeat a Brutal difficulty AI in a 1v1 skirmish match
SECRET: Rescue all Nod units from the Traveler-59 Cultists
Complete 'Kane's Challenge' with GDI
Complete 'Kane's Challenge' with ZOCOM
Complete 'Kane's Challenge' with the Scrin
Complete 'Kane's Challenge' with Reaper-17
Complete 'Kane's Challenge' with Traveler-59
Play in a quick match game as Traveler-59
Play in a quick match game as Reaper-17
Play in a quick match game as the Scrin
Play in a quick match game as ZOCOM
Play in a quick match game as the Steel Talons
Play in a quick match game as the Marked of Kane
Play in a quick match game as the Black Hand
Play in a quick match game as Nod
Win a Skirmish game with Traveler-59
Win a Skirmish game with Reaper-17
Win a Skirmish game with the Scrin
Win a Skirmish game with the Marked of Kane
Win a Skirmish game with ZOCOM
Win a Skirmish game with the Steel Talons
Win a Skirmish game with Nod
Complete 'Kane's Challenge' with Nod
Win a Skirmish game with GDI
Complete Act III of the Campaign
Win a Skirmish game with the Black Hand
SECRET: Raise the Marked of Kane
Complete Act II of the Campaign
SECRET: Destroy all three GDI MARVs
SECRET: Destroy the Philadelphia
Complete 'Kane's Challenge' with the Marked of Kane
Complete 'Kane's Challenge' with the Black Hand
Play in a 2v2 Custom Match
SECRET: Steal all the Gold Bullion
SECRET: Capture Brother Marcion
SECRET: Destroy Brother Marcion's Statues
Complete Boot Camp
Use a Superweapon in a match
Play in a quick match game as GDI
Play in a 1v1 Custom match
Skip Boot Camp