Here is the full list of all 20 Jumper: Griffin's Story achievements worth 1,000 gamerscore.
Play through the game without dying.
Complete a play through of the game in record time.
Get 45000 experience points.
Drop an enemy in all drop zones.
Complete the game.
Find all collectibles in the game.
Collect all weapons.
Get 20000 experience points.
Find all 4 unique comic book covers.
Escape an incoming net.
Escape an incoming tether.
Find seven collectibles.
Perform one successful 7 hit jump combo attack.
Perform a finisher move from the right.
Slide tackle an enemy.
Perform a drop zone kill.
Perform 5 hits.
Perform a finisher move from the left side.
Perform a finisher move from the back.
Perform a finisher move from the front.