Full list of all 17 People Playground achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 7 achievements, and there are 5 DLC packs containing 10 achievements.
Kill at least three people
Kill a person
Spawn 1000 items
Kill 100 people
Kill 1000 people
Kill 10k people
Kill a million people
Inject a radioactive substance into the bloodstream of a human
Create a black hole
Detonate an organism filled with an explosive liquid
Use the jukebox to burst heads
Save a human from a sticky grenade by activating an EMP right before it's too late
Create exotic liquid