Game demo
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A game demo is a trial version of a
Distribution
In the early 1990s, shareware distribution was a popular method for publishing games for smaller developers, including then-fledgling companies such as Apogee Software (now 3D Realms), Epic MegaGames (now Epic Games), and id Software. It gave consumers the chance to try a trial portion of the game, usually restricted to the game's complete first section or "episode", before purchasing the rest of the adventure. Racks of games on single 51⁄4" and later 3.5" floppy disks were common in many stores, often very cheaply. Since the shareware versions were essentially free, the cost only needed to cover the disk and minimal packaging. Sometimes, the demo disks were packaged within the box of another game by the same company. As the increasing size of games in the mid-1990s made them impractical to fit on floppy disks, and retail publishers and developers began to earnestly mimic the practice, shareware games were replaced by shorter demos that were either distributed free on CDs with gaming magazines or as free downloads over the Internet, in some cases becoming exclusive content for specific websites.
Shareware was also the distribution method of choice of early modern first-person shooters (FPS).
There is a technical difference between shareware and demos. Up to the early 1990s, shareware could easily be upgraded to the full version by adding the "other episodes" or full portion of the game; this would leave the existing shareware files intact. Demos are different in that they are "self-contained" programs that cannot be upgraded to the full version. An example is the Descent shareware versus the Descent II demo; players were able to retain their saved games on the former but not the latter.
Console manufacturers also often release their systems with a demo disc containing playable previews of games to be released for their console.
Medium
The availability of demos varies between formats. Systems that use
Types
Game demos come in two variations: playable and non-playable (also called a "rolling demo"). Playable demos generally have exactly the same gameplay as the upcoming full game, although game advancement is usually limited to a certain point, and occasionally some advanced features might be disabled. A non-playable demo is essentially the gaming equivalent of a teaser trailer.
Playable
Generally, playable demos are stripped-down versions of the full game, restricting game-play to some
However, some demos provide content not available in the full game.
In other cases, a demo may differ from the equivalent section in the full game, when the demo is released as a preview before the full game is completed.
Demos for
Non-playable
A non-playable demo is a recording of game-play, either recorded in a video, or played through using the game's own engine showing off the game's features. They are mainly displayed at gaming conventions, such as E3, when the game is still in early production as a technology or game-play preview. Such demos might also be distributed through the Internet or with magazines as trailers for an upcoming game, or featured at retail stores (often among playable demos). Most games also play demos if the title screen is left running.
See also
- Demoware
References
- ^ "Everything you need to know about making and releasing a demo". GamesIndustry.biz. 4 December 2020. Retrieved 2021-11-15.