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