Every inmate is a real player. Sell drugs to strangers. But you have to convince them to buy. And they can report you to the guards. And start cafeteria fist fights.
Every inmate is a real player. Sell drugs. Snitch. Start fights. And yes, the cops are real players too.
Everybody is in prison and everybody is a real player.
Proximity voice chat.
Play alone or with friends, in public servers with strangers.
Grow weed in your prison cell (because that's what inmates do, obviously)
Sell weed to other inmates, but you have to convince them to buy and that it's good product (even if it's not).
Buy weed from other inmates (but only if their product is good, or so they say...)
And yes, you can be a cop too and catch inmates mid-drug-transaction.