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