Here is the full list of all 25 Fracked achievements.
Complete Fracked.
Complete the Game on Easy difficulty.
Complete the Game on Normal difficulty.
Defeat the Super Blaster with Gas.
Kill 10 enemies while on the move.
Use all the different power weapon types.
Shoot 6 enemies with a revolver in the mission ‘RESEARCH AND DESTROY'.
Shoot the Fruit in the Hydroponics Laboratory.
Grab a Power Weapon.
In the mission 'MOUNTAIN ADVENTURE', ski to the funicular station without dying.
Kill 10 enemies from behind cover.
Discover the Nest.
Find 1 Collectible.
Kill an enemy during a single zipline traversal.
Complete "BREAKING THE ICE".
Find 5 Collectibles.
Find 10 Collectibles.
Find 12 Collectibles.
Find All 15 Collectibles.
Listen to all of Finch's Recordings.
Complete the Game on Hard difficulty.
Land 3 large ski jumps in "MOUNTAIN ADVENTURE".
In the mission "MOUNTAIN ADVENTURE", ski to the bottom in under 4:00.
In the mission "MOUNTAIN ADVENTURE", ski to the bottom in under 3:45.
In the mission "MOUNTAIN ADVENTURE", ski to the bottom in under 3:30.