Proprietary license

Other (objects, etc.) concept

Distributed under a license that witholds and/or restricts source code & rights granted by law, usually for commercial purposes & is almost always unique per game

12285
games
125
platforms

The first video game about Proprietary license was released on August 1078.

UpTime, Creative Computing and Tandy has published most of these games

A proprietary license can be simply defined as a list of everything the law allows but the copyright holder does not.

Use of this tag is likely to change in the future.
Most platforms are dominated by commercial games using a proprietary license. However, there are some platforms where proprietary games are in the minority or opposite from the original platform ecosystem, such as *NIX based systems (Linux, GP2X, Pandora, OS/2, and others). Primarily this tag is intended to distinguish proprietary games among platforms that tend to lack them.
Also, the game art form, while initially founded on non-proprietary games, at some point came to be overwhelmingly dominated by proprietary games. This is likely to persist for some time. But eventually, non-proprietary games will again be the norm. At that time this tag should become relevant for all proprietary games.

Note also that proprietary and non-proprietary licenses do necessarily require commercial sales activities or not.

Finally, under current US law, international treaty, and law of many other nations, not specifying copyright terms in precise detail means the work is licensed according to the copyright terms for the jurisdiction in which it was created and/or published. Therefore, no license, or an imprecise license is by default, proprietary. Under current US law, works that were released without restrictions as intended by the author have retroactively become restricted even in cases where the author is deceased or the author is unknown. Sadly, many early games of the game art form were not been precisely licensed and any that have remained this way are legally defined as proprietary.

Parent group

Licenses

Child groups

Oracle Solaris, Sun Microsystems Solaris, irrKlang audio library, Ultima VII, Zelda Classic / ZQuest Engine, GameMaker, Unity, Qt framework, OpenAL, V-play Engine, Robin Game Engine, startrek game engine, Friend-Zone Engine, Kinetica, Yaga Engine, Torque 2D, Ginkgo Engine, Construct 2, Ceebot Engine, MegaZuex, Explore Engine, Spark Engine, ShiVa 3D, Spark Casual Engine, Cinématique Evolution 2 Engine, Amazon Lumberyard, Serious engine, CryENGINE 3, CryENGINE V, Wwise, License: Microsoft Reciprocal License, MAME, Adventure Builder System, OS-9 Operating System, UVL: License Pending, CP/M OS, MacVenture, Spinnaker Adventure Language, CauseWay DOS Extender, Microsoft GW-BASIC, AppleDOS 3.1

Platforms

Linux 7451
Apple II E 775
Tandy Coco 549
MS-DOS 399
Windows 378
Mac OS X 232
C64 212
TRS-80 190
Mac OS Classic 160
ZX Spectrum 137
Atari 400/800 124
Ohio Scientific 119
Commodore PET 119
BeOS 110
Amstrad PCW 87
Win3.1 76
Amiga 76
Tomy Tutor 63
BBC 57
Atari ST 55
VIC-20 48
NeXT 45
North Star Computers 43
Apple IIGS 38
Amstrad CPC 32
MSX 32
Electron 31
BSD 29
Memotech MTX 29
QL 25

By year

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