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