Here is the full list of all 14 Fossil Echo achievements.
Unlock Stunt Mode
Complete the story without dying
Complete the story with all temples without dying
Unlock 8-bit Mode
Keep the fruit for yourself
Unlock Slow Motion Mode
Find all Secret Areas
Delete a completed Save File
Complete the story
Complete the story with all temples
Don't startle the black birds
Let him sleep
Skip a Cutscene
Trigger the Dance Animation