There are 44 achievements worth a total of 1000 points
Recover the Funchucks in Hong Kong
Acquire The Bad Axes
Acquire The Blast Caster
Finish The Campaign
Gather All Computer Info From Dr. Rylander's Lab
Get The First Item Of Rex's Past
Collect All Items Of Rex's Past
Collect The 1st Sample For Doctor Holiday
Collect All The Samples Of Any 2 EVOs
Collect All The Samples For Doctor Holiday
Purchase An Upgrade
Purchase All Upgrades
Open 30 Supply Boxes
Defeat 200 Enemies
Defeat 100 Enemies With The Smack Hands
Defeat 100 Enemies With The BFS
Defeat 100 Enemies With The Slam Cannon
Defeat 100 Enemies With The Punk Busters
Defeat 100 Enemies With Omega Builds
Get A 20 Hit Combo
Get A 60 Hit Combo
Beat One Agent Six Time Challenge Level
Beat Any One Agent Six Time Challenge In Under 10 Mins.
Beat All Agent Six Time Challenges
Knock 20 EVOs Out Of The World
Collect All The Nanites And Do Not Get Hurt In Sky Diving
Kill All EVOs And Take No Damage In Rex Ride
Indirectly Defeat 30 EVOs
Successfully Wiggle Free Of 20 Spider Webs Without Taking Damage
Completed The Rex Ride Sequence
Defeated Giant Van Kleiss
Defeated Breach
Cured Aquania
Defeated The EVO Death Bunny
Solved The Puzzle In The Temple
Defeated The Multi-Head EVO
Successfully Flew Through The Circular Debris While Sky Diving
Completed The Tutorial In Mexico
Encountered Circe
Defeated Biowulf
Defeated Van Kleiss In Providence
Saved Doctor Holiday
Beat Quarry In 2.5 Mins. Or Less
Defeated Van Kleiss In Abysus Castle Without Taking Any Damage