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