Full list of all 24 Collisions achievements.
The base game contains 15 achievements, and there are 3 DLC packs containing 9 achievements.
Complete over 100 minigames
Win the minigame 5 times in a row
Travel over 5 kilometers
Win the minigame
Complete all puzzles
Find 5 bonus solutions
Clear the bugs with 100% accuracy
Clear over 100 bugs
Clear 5 mosquitoes
Travel over 1 kilometer
Find one bonus solution
Complete one puzzle without making a mistake
Find all bonus solutions
Travel over 10 kilometers
Complete every puzzle without making a mistake
Witness the rise of a full moon
Witness an annual meteor shower
Witness the sunset during an equinox or solstice
Clear the table in Opie's pinball
Clear the table three times in a row
Clear the table five times in a row
Experience a malfunction on the most unlucky day of the year
Feel the earth tremble on the rarest day in the calendar
Catch the fireworks on the last day of the year