Here is the full list of all 36 Keebles achievements.
Watch the entire credits
Complete the game
Get crushed by the boulder on Level 30
Collect Jordan, the second Keeble on Level 29, with no wheels touching the ground
Complete level 28 with no wheels
Save at least 46 Keebles
Overshoot the finish zone by 1 metre or less and come to a rest
Break the Bobble in the end zone
Complete Lvl 16 with no parachute
Complete level 15 (finish all the hill levels)
Complete a level with the Bobble resting upside down
Get 5 stars on level 12 with only 2 driven wheels
Get 5 stars and the time challenge for any level in a single run
Win with the Bobble having 1 point of damage in the end zone
Finish a level with 5% of your Bobble health remaining
Complete level 4 without picking up any Keebles
Get 5 stars on any level
Complete a time challenge successfully on any level
Save every Keeble (90)
Collect 1,000 Keebles
Collect 10,000 Keebles
Get 5 stars on every level
Get every time challenge
Get 5 stars on every level and every time challenge
Break the Bobble 1000 times
Break the Bobble 10,000 times
Travel 1,000 kms
Travel 3,945 km
Travel 6,437 kms
Break the Bobble by 1 point of damage in the end zone
Get 5 stars on level 29 with 90% of your Bobble health remaining
Finish level 15 without touching the second landmass (except for the finish zone)
Get 5 stars on Level 24
Complete Level 30 after being pushed by the boulder
Complete level 29 without going through any loops within the time limit
Get 5 stars on Level 5 with only 1 wheel