Here is the full list of all 40 ICARUS achievements.
Complete every Styx Mission
Explore every biome
Harvest one of every plant
Unlock all blueprints in T4
Unlock all blueprints in T3
Unlock all blueprints in T2
Unlock all blueprints in T1
Collect 10000 Credits
Alter an item
Activate the Thumper
Reach the Level Cap
Catch a fish with a bow and arrow
Kill another prospector
Get struck by lighting… again
Burn down a shelter
Reach the bottom of a talent tree
Mine every type of ore
Equip a full set of armor
Get struck by lightning
Revive a downed prospector
First time killed by a bear
First time your prospector dies
Complete the tutorial
Pick up a stick, stone, or oxite
Kill the Sandworm Boss on the Hardest Difficulty
Kill the Landshark Boss on the Hardest Difficulty
Kill the Scorpion Boss on the Hardest Difficulty
Kill the Alpha Wolf Boss on the Hardest Difficulty
Complete every Olympus Mission
Collect 10000 Exotics
Catch one of every fish
Unlock all the creatures in the Bestiary (Max Rank)
Kill a Deer with a grenade
Kill 250 Zebra
Break a crate with a grenade
Get 10,000 Melee Kills
Get 10,000 Bow & Arrow Kills
Get 10,000 Gun Kills
Get 1000 Stealth Critical hit kills
Cook every item of Food