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!
(x_x)
Take a shower!
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!
Complete a round on "Tiny" mode
Use Restorer for more than 10 minutes!
Use Chemical Reverter for more than 10 minutes!
Check out the HUMAN SKELETON!
Use Code Combiner for more than 10 minutes!
Use Microwave for more than 10 minutes!
Complete a round on "Low Gravity" mode!
Consume one cupcake!
Find all ingredients in 30 seconds or faster!
Win the round when you have reverted 5 or more ingredients!
Use Chemical Processor for more than 10 minutes!
Open drawers and cabinets more than 100 times!
Win at least one round on all available laboratories!
Find an alien creature!
Find ALL pickups in ALL laboratories!
Find all pickups in Laboratory 6!
Win 10 or more rounds!
Open drawers and cabinets more than 1000 times!
Enlarge 3 or more objects in a single round!
Find all pickups in Laboratory 3!
Find all pickups in Laboratory 5!
Successfully use the Restorer!
Break all plates and mugs in the Kitchen!
Find love in the kitchen!
Empty out the fridge!
Maybe try being a bit more careful? :(
Find all pickups in Laboratory 2!
Spend more than 5 seconds in air without touching ground
Shrink until you're too small!
Find all pickups in Laboratory 1!
Open all drawers in the laboratory at least once!
Open the same drawer 10 times!
Find all pickups in Laboratory 4!
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!
Finish the level with all "Processing Time" sliders to the max!
Get hit by ~microwaves~!
Get inside the green plastic bin!
Finish the level without formulas and ingredients touching the floor!
Finish the level without jumping!
Finish the level with 1.5 meters height left or more!
Complete a round on crazy difficulty!
Complete a round on hard difficulty!
When breakable flasks are enabled, break at least one at very high speed!
Destroy the TV in Laboratory 3!
Complete a round on normal difficulty
Have 20 concurrent water flasks!
Save yourself without having to use the Reverter!
Complete a round on beginner difficulty! Baby Steps!