Here is the full list of all 43 The Solus Project achievements.
Find Milson
Hasn't picked up PDA until 5 minutes has passed
Phone home
Return to the Crossroad Island with an energy source
Find the energy source
Jump into the Hotspot crater
Carry 10 pieces of Tower Pieces in your inventory
Reach the island of Hotspot
Enter the massive ice cavern
Enter the Ice Path
Only eat alien food 10 times in a row
Teleport 10 times in 30 seconds
Open 50 boxes
Fall for at least 5 seconds to your death
Complete Highpoint
Collect 75 secrets
Reach the island of Highpoint
Blow up a torch in H2S without getting killed
Collect 50 secrets
Complete the library
Return to the first caves after Flashpoint
Complete Flashpoint
Reach the island of Flashpoint
Dip your head in acid water
Get hit by a spike plant
Have seen the dolls that cannot be unseen
Overcome the dark encounter
Start the Communication Tower
Find and pick up the music player
Find the ladder down
Swim far off shore
Extinguish a torch in water
Explore the backside of the first island
Survive a tornado
Collect your first secret
Complete your survival training
Set foot on the planet
Drink champagne 3 times
Have 16 rocks in inventory
Collect all secrets
Show some love to rocks - smash 20 rocks together
Get hit by lightning while holding a hammer
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