Here is the full list of all 23 Wheelchair Simulator achievements.
Open the game for the first time
Complete level one
Complete level two
Complete level three
Complete level four
Complete level five
Complete level six
Complete level seven
Complete level eight
Complete level nine
Completed level ten
Use checkpoint at least once
Die once
Die 10 times
Die 100 times
Run over one pedestrian
Collect 10 coins
Crush 10 objects
Get knocked over by cars or other objects 10 times
Finish a level under 30 seconds
Never skip a story
Play for more than 2 hours
Run over 100 pedestrians