Full list of all 57 Size Matters achievements. It takes around 0-1 hour to unlock all of the achievements in the base game on Windows.
The base game contains 6 achievements, and there are 4 DLC packs containing 51 achievements.
You saved yourself in the last minute!
Take a shower!
(x_x)
Use Chemical Processor successfully for the first time ever!
You mixed the wrong ingredients, luckily nothing blew up!
A thanks from developer for playing Size Matters!
Use Chemical Reverter for more than 10 minutes!
Use Restorer for more than 10 minutes!
Win the round when you have reverted 5 or more ingredients!
Check out the HUMAN SKELETON!
Complete a round on "Tiny" mode
Use Microwave for more than 10 minutes!
Use Code Combiner for more than 10 minutes!
Complete a round on "Low Gravity" mode!
Consume one cupcake!
Use Chemical Processor for more than 10 minutes!
Open drawers and cabinets more than 100 times!
Find all ingredients in 30 seconds or faster!
Open drawers and cabinets more than 1000 times!
Win 10 or more rounds!
Find ALL pickups in ALL laboratories!
Find all pickups in Laboratory 6!
Find an alien creature!
Find all pickups in Laboratory 5!
Find all pickups in Laboratory 3!
Find love in the kitchen!
Break all plates and mugs in the Kitchen!
Empty out the fridge!
Enlarge 3 or more objects in a single round!
Find all pickups in Laboratory 2!
Maybe try being a bit more careful? :(
Win a round in under 7 minutes!
Win a round without picking up any object other than ingredients
Win at least one round on all available laboratories!
Open all drawers in the laboratory at least once!
Shrink until you're too small!
Find all pickups in Laboratory 1!
Find all pickups in Laboratory 4!
Spend more than 5 seconds in air without touching ground
Successfully use the Restorer!
Spend more than 1 minute in the play menu!
Enter a correct code into the Code Combiner!
Open the same drawer 10 times!
Finish the level without jumping!
Get hit by ~microwaves~!
Finish the level with all "Processing Time" sliders to the max!
Get inside the green plastic bin!
Finish the level without formulas and ingredients touching the floor!
Finish the level with 1.5 meters height left or more!
Destroy the TV in Laboratory 3!
Have 20 concurrent water flasks!
When breakable flasks are enabled, break at least one at very high speed!
Complete a round on crazy difficulty!
Complete a round on hard difficulty!
Complete a round on normal difficulty
Save yourself without having to use the Reverter!
Complete a round on beginner difficulty! Baby Steps!