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