Ellipse is a multiplayer OS hacking sim, where you'll learn do phishing scams, decipher passwords and remote access your victims' systems. Surprisingly accurate for an usually pretentious subject.

Intra is an OS adventure game, where you'll assist a desperate office employee trying to reach out for help. It's rough looking, but plot's interesting. Warning: Flashing, Graphic.

HOGO OS is a retro OS adventure game, where you'll uncover the mysteries of the very company that made the system you've just installed on your PC. It comes with a fair amount of minigames.

Cibele is an OS visual novel, where you'll live through the voice-chats of two youngsters experiencing first love while playing an RPG together. It's expectedly cringeworthy, given its subject matter.

SanctuaryOS is an OS visual novel, where you'll live through a kid's childhood as seen through their personal computer, and witness the many ways they find themselves through internet fandom and art.

Emily is Away is a single-app parody-OS visual novel, where you'll chat with Emily and witness how your friendship with her develops throughout the years. It might hit very close to home.

Progressbar95 is a multiple-OS game library, where you'll gain points by skilfully filling up a progress bar playing classic mini-games of your choosing, unlocking new PC parts and systems as you do.

OS/HEX is a single-app OS tile-matching game, where you'll face mob encounters while trying to navigate a minesweaper-like puzzle labyrinth, trying to prove yourself to the system's overseer.

(OM)niscient is a tycoon OS surveillance sim, where you join a secret society that runs a massive network of hijacked webcams and CCTVs, and you must prove self-restraint to them. There's also 2048.

HacknetOS is a tiled OS hacking sim, where you'll use your shell to hack your way in and out of the mystery of another hacker's demise. There's also an incremental clicker you can play.