Here is the full list of all 35 Microtransaction Simulator achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Don't even try it
Mania
Lucid once
A small loan of 1 million dollars
Some people graduate but they still stupid
Old habits die hard
Yum
Unrelated
Open 100 packs
Open 50 packs
yeah
Take a look at me now
Get a fuzz
Get a turquoise
Get a green
Get a red
2017
Get a blue
Get a brown
Sometimes there is a free lunch.
Get a white
Get a purple
...
It's a secret to everybody
Harder than it looks
Is this a bug?
This can't be a mistake
You dug a hole
Past the point of no return
literally idle the game for 4 hours. Stay at home and don't spread the coronavirus.