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