The Solus Project has 42 achievements worth 1,000 gamerscore.
All achievements
Achievements they've won
Achievements they've not won
Have 16 rocks in inventory
Phone home
Find Milson
Only eat alien 10 times in a row
Jump into the Hotspot crater
Swim far off shore
Carry 10 pieces of Tower Pieces in your inventory
Reach the island of Hotspot
Collect all secrets
Enter the massive ice cavern
Enter the Ice Path
Complete Highpoint
Reach the island of Highpoint
Teleport 10 times in 30 seconds
Collect 75 secrets
Show some love to rocks - smash 20 rocks together
Complete the library
Open 50 boxes
Complete Flashpoint
Collect 50 secrets
Reach the island of Flashpoint
Dip your head in acid water
Have seen the dolls that cannot be unseen
Overcome the dark encounter
Extinguish a torch in water
Find and pick up the music player
Start the Communication Tower
Get hit by a spike plant
Find the ladder down
Explore the backside of the first island
Survive a tornado
Collect your first secret
Complete your survival training
Hasn't picked up PDA until 5 minutes has passed
Set foot on the planet
Return to the first caves after Flashpoint
Drink champagne 3 times
Find the energy source
Blow up a torch in H2S without getting killed
Return to the Crossroad Island with an energy source
Get hit by lightning while holding a hammer
Fall for at least 5 seconds to your death