Here is the full list of all 36 UFC Undisputed 2010 achievements worth 1,000 gamerscore.
Win a fight by Flash KO against a CPU opponent.
Complete the Career Mode
Compete in a Champion vs. Champion fight and also make the UFC Hall of Fame in Career Mode
Win a Champion vs. Champion fight in Career Mode
Win 100 Xbox LIVE Ranked Matches
Complete a post-fight interview in Career Mode
Complete all A, B, and C class challenges (Red and Blue Corner)in a fight in Ultimate Fights Mode.
Complete the Title Defense Mode
Win 75 Xbox LIVE Ranked Matches
Win 50 Xbox LIVE Ranked Matches
Win 25 Xbox LIVE Ranked Matches
Win a fight by Submission against a non-CAF, Expert CPU in the first 60 seconds of Round 1.
Win a fight with a Submission Transition
Xbox LIVE Exhibition - Obtain all types of gold medals
Win by all methods of stoppage against the CPU. (KO, TKO, Submission, Doctor Stoppage)
Is there a doctor in the stadium!?
Win 10 Xbox LIVE Exhibition Ranked matches consecutively
Win 10 Xbox LIVE Exhibition matches in total
Win an Xbox LIVE Exhibition Ranked match
Act as a trainer in Xbox LIVE Camp Training
Reach "World Class" (Level 3) status with a technique or move.
Play all modes at least once, check the shop and all options
Download an Event for Event Mode
Join an Xbox LIVE Camp
Now you're dirty boxing with Pride!
Dodge 3 consecutive strikes via sway (Outside of Tutorial Mode)
Touch gloves at the beginning of 10 matches.
No respect for your opponent.
Win at least one championship in the Tournament Mode
Collect all Topps® UFC trading cards
Complete the Title Mode
Experience an entire 8 fight event card in Event Mode.
Go through all tutorials
Win a fight by KO/TKO against a non-CAF, Expert CPU in the first 60 seconds of Round 1.
Win a fight against the CPU with a fighter you've created in Create A Fighter
Create a fighter in Create A Fighter