Popular games built on game engine HyperCard

You're an Osmo, a strange creature indeed. You explore the galaxy in your spaceship, and the planets you encounter are almost as bizarre as the Osmos themselves. There are seven worlds presented for your consideration, each more goofy and peculiar than the last. Cosmic Osmo is a game about exploration and discovery, not winning or challenges.

Professor Spelunx and Mr. Seudo are studying Planet X, a place full of mystery and adventure. There's a surprise around every turn, a huge world to explore and dozens of mini-games to enjoy. Spelunx and the Caves of Mr. Seudo is an educational title for elementary and middle school kids, but the learning is so cleverly hidden in the enchanting gameplay that even adults will find something to enjoy in this early gem from the creators of Myst. Spelunx is an educational game cleverly disguised as an exploration in a cave. The cave contains many toys, games, and activities that are fun to play with but also happen to teach principles of math, biology, physics, etc.

HyperCard point and click game where you open the door to Halloween costumed monsters and give them candy.

Billed as an "interactive cyber event," this interactive hypercard stack is said to have been found by by creator Amendant Hardiker among some Babelian ruins dated back to 9999 BC, then deciphered from a since forgotten machine language. It is thought that Zaum Gadget was a subliminal event-structure capable of subtly manipulating the beliefs of any participant. Inspired by Russian futurism, Zaum is a unique digital experience.

Halloween Night II is a 1989-1991 children's game by BugByte Inc. for Macintosh. On Halloween night, monsters knock at your door looking for candy. You hand them candy, cheer them up, and wait for the next monster to come by. While you're waiting, you can pet your cat or look out the window.

Interactive storybook adventure featuring a cat named Inigo.

Kangaroo Court is a 1991 HyperCard game by Dave and P.F. Dumanis. Having been charged with an unknown, often absurd crime, you are forced to bargain for their innocence from a sadistic kangaroo judge who takes every opportunity to belittle and harass them. Players can take any number of strategies against the Kangaroo, including bribery, sucking up, and confrontation. They all invariably result in failure or death. The goal of Kangaroo Court isn't victory so much as seeing how long you can go against increasingly unfair and randomized odds.

Manage your kingdom during a plague in this brief simulator for HyperCard. This game was made in around 10-12 hours over two days for the Merveilles Hyperjam.

This is a recreation of P.T. done in the HyperCard software. Some stuff is stripped back, some stuff is added; you'll just have to play to find out.