Yeah 'Byond' IIRC. The UI so frustratingly stupid... but that's part of the charm, it keeps the casuals out. I came back to it to play on the Kiwi Farms server (the only one not run by hyper autistic mega trannies). Null did a stream promoting his new server and recommended newbie players spend their first game learning to smoke a cigarette, since the interface is so bad that will literally take all game and in the end you will understand how to pick shit up and open boxes at least.