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