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