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