Full list of all 21 Bears Can't Drift!? achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Launch a mortar strike on yourself
Finished a race below 9th place
Come 1st in a race or picnic battle
Shoot out a camera
Activated Easy difficulty
Unlock every achievement
Activate medium difficulty
Activate Hardest Difficulty
Win yourself a hat
Unlock the pigeon hat and wear it proudly
Collect all the hats
Steal the flag 10 times
Completed the special thanks mini game
Finish 1st, 2nd, 3rd and 4th in a four player race
Gold star every track in the forest world
Gold star every track in the Arctic World
Gold star every track in the Ruin world
Get a top time on any track
Get a top time on half of the tracks
Get a top time on all the tracks
Use every weapon combo in a single picnic battle