Onyx is a computer sex game. Move around the board buying up properties. If you land on a property that is owned by somebody else, you must either pay rent or work off the debt! Players work off debt with all kinds of intimate actions, from mild to kinky. As the game progresses, so does the action! Play with people you are intimate with, or want to be!
You can work off the debt by being assigned fun, sexy erotic actions.
Look out for special squares! If you land on the Torture Chamber, you must draw a "torture card" with an erotic torture on it. At Center Stage, you are put on display; in the Random Encounter square, you will be assigned an erotic action with another player; and on the Fate squares, the luck of the draw dictates your fate.
You control the "spice" of the erotic actions, from harmless fun to wild, anything-goes kink. You choose "roles," which tell the game what kinds of actions you prefer to be involved in. If you don't like being tied up, just tell Onyx that you will not accept the "bondage" role.
Onyx 3.6 and earlier did not work on Macs requiring 64-bit native apps. Onyx 3.7 now works on modern Macs, and is optimized to run natively on Apple Silicon Macs. A version of Onyx that runs natively on Windows ARM devices is also available!
UPDATE: Some Mac users were reporting an error saying “Onyx 3.7.app can’t be opened because Apple cannot check it for malicious software.” I have updated the app to address this issue; it should work properly now.
Onyx runs on Macs (OS X 10.14 or later), Windows (Windows 7 or later), Windows for ARM (Windows 11 or later), and x86 Linux (GTK 2.0+).
Onyx is available for free download. The free version can only be played on the mildest two "spice level" settings. Onyx can be registered by paying the $35 shareware fee. Registration gives you a serial number to unlock the full version, and it also gives you the Card Editor program, which you can use to create your own card decks.
Onyx contains explicit descriptions of sexual acts. Some of the high-level actions in Onyx describe erotic actions like bondage and power exchange.
IF YOU ARE OFFENDED BY SEXUAL ACTIONS, BEHAVIOR, OR DESCRIPTIONS, DON'T DOWNLOAD THIS SOFTWARE!
If you are under the legal age of consent or live in a place where this material may be restricted or illegal, YOU SPECIFICALLY DO NOT HAVE A LICENSE TO OWN OR USE THIS COMPUTER PROGRAM. There is absolutely no warranty of any kind, expressed or implied. Use it at your own risk; the author disclaims all responsibility for any kind of damage to your computer, your car, your refrigerator, or to anything else.
By downloading Onyx, you certify that you are an adult, age 18 or over, and that you consent to see materials of a sexual nature.
Mara leaned closer, the room narrowing into the screen. A soundtrack of distant traffic and a child singing in a language she didn’t know threaded through the silence. The old woman stopped at an alley where a stray dog watched her, tail a question mark. She crouched and spoke softly; the dog’s ears flicked in a recognition older than words. Then she took out a small tin—paint flecks on the lid—and with deliberate strokes drew a pattern on a crumbling wall. When she stood, the wall held a symbol that pulsed with a familiarity Mara couldn’t place: three concentric moons, one inverted, like a memory someone had sketched from far away.
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The video opened not with a title card but with a single frame of dawn: a city she didn’t recognize, rooftops stitched with laundry lines and sugar-cube apartments, the sky a watercolor bruise. No credits. No watermark. An old woman appeared, threadbare coat, eyes like river stones. She walked with a purpose that turned the city landscape into a map of intention. Each step left something behind—a paper crane floating on a canal, a blue ribbon tied to a lamp-post, a note folded into the crack of a fountain. The camera followed not from above but from intimate, crooked angles, as if a friend were walking just behind her, trying not to be seen. She crouched and spoke softly; the dog’s ears
They found it at the bottom of a cluttered download folder, a file name like a secret cipher: jufe569mp4 new. The letters hummed against the screen—unremarkable, yet stubbornly out of place among invoices and vacation photos. Mara hesitated only a moment before double-clicking, partly from curiosity and partly because curiosity had become her default way of clearing the fog of a long winter.
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I have temporarily turned my attention away from Onyx 4. Late last year, my mother was diagnosed with cancer, and this has distracted me from Onyx 4.
I am pleased to announce that I have refactored Onyx 3 to work with modern versions of macOS and run nativeon Apple Silicon. Onyx 3.7 is now available, and works with Intel and Apple Silicon Macs.
The Card Editor 3.6.7 is now available for modern Macs. This version of the Card Editor works natively on Apple Silicon as well.
