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