Here is the full list of all 21 Basement achievements.
Upgraded to superjunkies
Removed a bunch of Investor's servers
Now you know what is Tripak Atshkur
Found Seed on a first try
Didn't share with Sid
Taught producers
Got rid of lots of stuff
420 packs of green
Distracted Big L too much
Managed to move all stuff from police station
Robbed homies
Released a bad prisoner
Released a good prisoner
Earned $42000
Paid old bills
Captured all local neutral buildings
Earned $7000 to start development of your game
Paid Tupo to the last
Healed using green
It's day 5 and you still don't know how to produce stuff
Kenny figured out how to sell stuff