Here is the full list of all 36 Snapshot achievements.
Move PIC at very high rate of speed
Triple jump off of a spring in mid air
Double jump off of a spring in mid air
Unlock your first Gallery Photo Medal
Reach the first lobby.
Unlock your first Starcore medal
Unlock your first Star Medal
Unlock the second chapter of the game.
Unlock the third chapter of the game.
Unlock the fourth chapter of the game.
Unlock the ending of the game.
Beat all the par times in the first chapter.
Beat all the par times in the second chapter
Beat all the par times in the third chapter
Beat all the par times in the fourth chapter
Collect all the stars in the first chapter
Collect all the stars in the second chapter
Collect all the stars in the third chapter
Collect all the stars in the fourth chapter
Collect all of the gallery items in the first chapter
Collect all of the gallery items in the second chapter
Collect all of the gallery items in the third chapter
Collect all of the gallery items in the fourth chapter
Complete all of the levels in the first chapter
Complete all of the levels in the second chapter
Complete all of the levels in the third chapter
Complete all of the levels in the fourth chapter
Finish the game with more than 25% completion
Finish the game with more than 35% completion
Finish the game with more than 45% completion
Finish the game with more than 55% completion
Finish the game with more than 65% completion
Finish the game with more than 75% completion
Finish the game with 100% completion
Capture a very fast moving object
Unlock your first Par Time Medal