Full list of all 51 Crash Bandicoot 4: It's About Time achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Find the hidden Yellow Gem
Find the hidden Blue Gem
Find the hidden Green Gem
Meet Kupuna-Wa
Do some target practice
Earn any N.Sanely Perfect Relic
Beat a level in N. Verted mode
Beat any boss in N. Verted mode
Defeat N. Brio
Shut N. Brio up
Meet 'Akano
Complete any Timeline
Complete a level with Pass N. Play enabled
Spend some time surfin' the waves
Defeat N. Gin and his Weapon of Mass Percussion
Shut N. Gin up
Earn any Flashback Relic
Acquire a Flashback Tape
Find the hidden Red Gem
Complete a level as Coco
Earn any Time Trial Relic
Beat a story level without dying
Try on a Skin
Meet Lani-Loli
Complete a Bonus Path
Crouch or slide into a double jump
Complete ALL levels in N. Verted mode
Complete all Timelines
Play a game of Checkpoint Race
Play a game of Crate Combo
Defeat Dr. Neo Cortex… again.
Defeat Dr. Neo Cortex
Defeat the Doctors N. Tropy
Watch the 100% bonus ending
Watch the 106% bonus ending
Earn half of the Clear Gems
Earn ALL of the Clear Gems
Earn ALL N. Verted Gems
Meet Ika-Ika
Betrayed! By your worst enemy.
Earn ALL of the platinum Flashback Relics
Earn ALL N.Sanely Perfect Relics
Earn ALL of the platinum Time Trial Relics
Pull off a Triple Spin
Defeat an enemy with Triple Spin
Find the source of the Bumpa Berries
Scare the cat hiding from a party
Aim and fire!
Make music in an unlikely place
Grabbed a bushel of Bumpa
Make some noise!