Here is the full list of all 13 Luke Sidewalker achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete Level 7
Complete Level 6
Complete Level 5
Collect 50 food items total
Complete Level 4
Complete Level 3
Bump into every type of person
Complete Level 2
Reach maximum speed
Complete Level 1
Use a subway vent to jump over guy blocking path
Say excuse me
Get a speed boost by dodging at the last second