Here is the full list of all 74 Crash Bandicoot N. Sane Trilogy achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Earn 10 Relics (gold or better)
Earn 42 Gems
Earn 5 Relics
Just "forget" it. Repeatedly.
Shoot 5 of them in a single level.
Have your bazooka ready.
Die.
Avoid whatever he's flinging at you.
Discover the Secret Exit in Diggin' It
Unlocked the Secret Exit in Unbearable
Don't feel guilty about jumping on him.
Discover the Secret Exit in Air Crash
Defeat N. Cortex
Earn 99 Lives
Die as Crash.
Defeat N. Gin
Defeat 5 enemies with Coco's Double Leg Drop
Earn 21 Gems
Unlocked the Secret Exit in Hangin' Out
Defeat Tiny Tiger
Discover the Secret Exit in Bear Down
Fly, then die.
Earn the Gems in the bonus levels
Discovered the Secret Exit in Dino Might!
Discovered the Secret Exit in Road Crash
Seek and destroy. Again.
Shoot the Imposter
Shoot a background UFO in Future Tense.
Defeat 5 enemies with Coco's Savage Hurricane Spin
Discover a Gem Path after earning a Color Gem
Defeat N. Tropy
Discover a Death Route
Defeat Dingodile
Discover a "?" Bonus Path
Defeat the Komodo Brothers
Defeat Ripper Roo
Seek and destroy
Earn 26 Relics (gold or better)
Earn 26 Gems
Earn 13 Gems
Earn the Key in Sunset Vista
Defeat N. Brio
Earn the Key in Jaws of Darkness
Defeat Pinstripe Potoroo
Miss a lot of boxes.
Defeat Koala Kong
Defeat 5 enemies with Coco's Spin
Spin away an Extra Life
Defeat Papu-Papu
Enter a Bonus Round after collecting 3 Character Tokens
In a single level, spin an enemy into another enemy twice
Earn 27 Relics (gold or better)
Earn 30 Relics (gold or better)
Do hard time