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