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