Trinity is an interactive fiction video game written by Brian Moriarty and published in 1986 by Infocom. It is widely regarded as one of the company's best works. The plot blends historical and fantastic elements as part of a prose poem regarding the destructive power of the atomic bomb and the futile nature of war in the atomic age. The name refers to the Trinity test, the first nuclear explosion, which took place in July 1945. It is Infocom's twentieth game and the last game released by the company when it was solvent.
As the game begins, the player's character is spending a final day of a London vacation in the Kensington Gardens. The evening flight back to the United States is looking increasingly unlikely for a number of unusual reasons. Hordes of nannies are blocking all exits from the Gardens, and the grass actively resists efforts to be walked upon. Worst of all, a gleam on the horizon soon heralds the unwelcome arrival of a Soviet nuclear missile. Time begins to slow as the missile approaches, and with some ingenuity the player's character finds an incongruous door hovering in mid-air. There's no telling where it may lead, but it cannot possibly be worse than the alternative of being at ground zero of a nuclear detonation...
The doorway leads to a strange land, where impossible objects exist. Space and time do not seem to behave in the familiar ways here. Exploring this new environment, the player finds several other mysterious doors, each of which leads to another chapter in the history of nuclear weaponry. After visiting test sites (including ones in Siberia, Nevada, and the Eniwetok Atoll) and Nagasaki just before each device is detonated, the player has one scenario left to deal with. The final door leads to the New Mexico desert on July 16, 1945, mere minutes before the test-firing that will change the course of history. But something is wrong at the 'Trinity' site, and without the player's intervention things will go horribly awry.
The player is witness to, or rather narrowly escapes being a witness to, a number of nuclear explosions in the game. The sites visited, and the markings on the sundial that represent them, are:
Each of the symbols has a meaning relevant to the incident it represents. Trinity was the site of the first explosion, and is therefore represented by an alpha, which is the first character of the Greek alphabet. The bombing of Nagasaki was an act of war, and Mars is the Roman god of war. The test in Siberia (actually in the Kazakh Soviet Socialist Republic) was an example of another superpower attempting to establish balance in the nuclear arms race, and the zodiacal sign of Libra is represented by the scales, making a reference to restoring the balance. The Eniwetok Atoll test took place in the middle of the ocean; hence it is symbolized by Neptune, the Roman god of the sea. The Nevada test is underground, and thus represented by Pluto, god of the underworld. The fictional incident in London was chronologically the latest to take place, and omega is the last letter of the Greek alphabet. The symbols also appear at the corresponding locations in The Illustrated Story of the Atom Bomb comic, which was included with the game. The fictional Low Earth Orbit (Mercury) detonation is very likely a reference to the space interceptor subproject of the Strategic Defense Initiative, nicknamed 'Star Wars', contemporary with the game's development. Trinity also includes numerous references to British children's literature, including the Alice books of Lewis Carroll, the Mary Poppins books of P.L. Travers, and especially J.M. Barrie's novel The Little White Bird.
- London, near future (fictional, Omega)
- Low Earth Orbit, near future (fictional, Mercury)
- Nevada (underground), 1970 (historical, Pluto)
- Eniwetok Atoll, Pacific Ocean, 1952 (historical, Neptune)
- Siberia, 1949 (historical, Libra)
- Nagasaki, Japan, 1945 (historical, Mars)
- Trinity, New Mexico, 1945 (historical, Alpha)
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5 different online emulators are available for Trinity. These emulators differ not only in the technology they use to emulate old games, but also in support of various game controllers, multiplayer mode, mobile phone touchscreen, emulation speed, absence or presence of embedded ads and in many other parameters. For
maximum gaming enjoyment, it's important to choose the right emulator, because on each PC and in different Internet browsers, the individual emulators behave differently. The basic
features of each emulator available for this game Trinity are summarized in the following table: