Here is the full list of all 23 The Last Explorer achievements.
Take 10 photos
Take 40 photos
Take 100 photos
Fully study 2 creatures
Fully study 5 creatures
Fully study all creatures
Befriend a creature
Befriend 5 creatures
Scan 3 wreckage sites
Scan 7 wreckage sites
Scan all wreckage sites
Find and scan a black box
Find and scan all black boxes
Complete 2 quests
Complete 5 quests
Complete all quests and get the microchip
Get 1 star in all minigames
Get 2 stars in all minigames
Get 3 stars in all minigames
Discover a campfire
Discover all campfires
Get attacked in the deep
Run the simulation with 100% data collected