->''"Suddenly, the Shareware Demon appears! It says, 'Ahem. To the west is a horrendous chasm, which can only be passed by those who have paid their shareware fee. To find out how to perform this blessed act, select 'Shareware Info' on the title screen.' It waves and disappears in a puff of sulphurous smoke."''
-->-- ''[[VideoGame/{{Exile}} Exile: Escape from the Pit]]''

A game that can be played to a certain extent without purchasing it. If the player likes it enough to buy it, they can then play it to completion, instantly picking up exactly where they left off upon purchase without the need to install anything.

The degree to which shareware can be played prior to purchase varies:
* '''Honorware:''' Some games have no limits whatsoever prior to purchase, merely relying on anything from a line of text reading “registered to: [[color:red:unregistered]]” in the corner of the opening splash screen to increasingly strident, sometimes unskippable admonitions of shame (thus the occasional pejorative of '''Nagware''') in order to remind receptive players to pay for the game…[[GoodFeelsGood and the warm, fuzzy feeling of supporting independent game development]].
* '''Crippleware:''' One or more features are inactive until the game is purchased. This might mean that you can't exit a certain area, level up beyond a certain point, obtain certain powerups, create or use [[GameMod Game Mods]], etc. Sometimes, features will only shut off after a trial period ends, combining this with…
* '''Trialware:''' You can only play the game for a certain span of time ([[ThirtyDayFreeTrial typically about a month]]), a certain number of times, or something similar. After that, it can't be played any more until it's purchased. In the early days, this could often be circumvented by [[GoodBadBugs setting your system clock forward several years before installing it; on reverting to the normal time, you would be told that you are on day -3467 of your 30-day trial]].

Shareware is intended to get distribution by way of [[ExactlyWhatItSaysOnTheTin players sharing it with each other]] via whatever means they feel like. That almost always means the internet now, but [[OlderThanTheNES in ancient times]], this took the form of telephone BBS networks, a prototype of today's {{Fora}}, or more often that of people actually copying the games onto floppies or cassettes and physically handing them to their friends (a process jokingly referred to as 'Sneaker-net' by many computer users). Since shareware games are often quite compact compared to other games, another way they would sometimes see distribution (especially once [=CD-ROMs=] caught on) was in the form of physical media sold at stores or in computer magazines for a nominal fee, which included large numbers of shareware games in much the same manner as a digest or compilation.

Buying shareware is often referred to as “registration,” because all that's usually included with one's purchase is a code (consisting of one or more special strings of letters and numbers.) This allows sales to take place via postal mail, telephone conversation, or (even over a decade before the web) online communication. When typed into the program, this code “registers” the copy installed on your machine as belonging to you and removes whatever restrictions existed in its unregistered state. This is all the CopyProtection[=/=]{{DRM}} typical shareware games have, and—most shareware authors and customers feel—[[PowerOfTrust all that they need]].

Some games, most notably early Apogee and IdSoftware titles (''VideoGame/DukeNukem'', ''VideoGame/CommanderKeen'', ''VideoGame/Wolfenstein3D'', ''VideoGame/{{Doom}}''…) were distributed in “shareware” versions (typically only the first of three episodes), even though the full games were separate software that was physically sent to the customer by mail-order. By common terminology, such distributions are more accurately called demos (demonstrations), just usually more generously sized, such as an entire multi-stage episode rather than one or two stages. Even so, it might be argued that a certain resemblance exists between shareware and demos in some cases, such as flat subscription-based games that can segue directly from some sort of free trial to the full game, like ''WorldOfWarcraft''.

The slow rise of [[EpisodicGame Episodic Gaming]] shows a return to the concept of Shareware, at least in series which release their first episode for free. A great many online flash games being sold nowadays can be downloaded as trialware or crippleware.

For games that are misleading about their trial status and/or [[BribingYourWayToVictory keep asking for more money even after you "buy" them]], see AllegedlyFreeGame.
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!!Examples

!!!Companies and Creators:
* [[http://www.spiderwebsoftware.com/ Spiderweb Software]] still operates on the classic shareware model, releasing 20%-40% playable versions of ''VideoGame/{{Nethergate}}'' and the ''VideoGame/{{Exile}}''[=/=]''VideoGame/{{Avernum}}'' and ''VideoGame/{{Geneforge}}'' series.
* Creator/AmbrosiaSoftware also operates on the shareware model for all the titles it develops and publishes, such as ''VideoGame/EscapeVelocity'' and ''VideoGame/{{Aquaria}}''.
** ''Escape Velocity'' was notable because the shareware release contained the full game plus Cap'n Hector, a friendly in-game character who would remind you to register the game. The "friendly" part only lasted until the game's trial period expired, at which point Cap'n Hector would hunt you down and ''murder'' you. And this was a game where your character could easily get KilledOffForReal.
* IdSoftware used to develop shareware on a frequent basis. ''VideoGame/{{Doom}}'' only allowed the first 9 levels for free, leaving one to mail-order for the last 18 levels. ''VideoGame/Wolfenstein3D'' had the same shareware model, allowing only the first 10 levels out of 60. Interestingly, ''VideoGame/CommanderKeen'' is a special case. The first and fourth games were shareware with no limits or messages. However, the second, third and fifth installments had to be purchased, leaving parts of the story unfinished for shareware users; this was because the first and and second trilogies used effectively different {{Game Engine}}s. The sixth game had a demo of the first three levels due being published by a different company.
* Nearly everything Apogee Software (aka 3D Realms) released from the late 1980s to the late 1990s had a shareware version.
* [[http://www.mikesedore.com/ Mike Sedore]] has "light" versions of all three of his games: ''Mike's Cards'', ''Mike's Marbles'' and ''Mike's Arcade''. Registering "Mike's 3-Pack" allows one to unlock all three games for the price of two.

!!!Games and Series:
* ''VideoGame/AethrasChronicles''
* ''Bio Menace''
* ''VideoGame/BlakeStone: Aliens of Gold'' (the sequel, subtitled ''Planet Strike'', was Creator/ApogeeSoftware's first retail title)
* ''VideoGame/{{Blood}}''
* ''VideoGame/{{Bolo}}''
* ''CortexCommand'' allows you to download the game for free, but unless you pay them, you can only play for six minutes. In a weird twist, paying for the game so far doesn't actually ''give'' you the full game, per se, since the full game is still in development, but assuming they do finish it, you'll get the full game for $20 off the final price. So basically, you're paying for the chance to beta test the game. Wrap your mind around that.
** ''VideoGame/MountAndBlade'' had a similar set up during its development - one could download it for free, and play for one in-game month, or pay to get full access to the game as it was, and all future versions (including the completed game). The price steadily increased as the game neared completion, so the earlier in development one bought the game the cheaper it was.
* ''VideoGame/CrystalCaves''
* ''VideoGame/{{Doom}}'' -- Could well be the ultimate example of this trope. The shareware version offered gamers 9 levels, out of a total of 27 contained in the mail-order version (before an extra episode was added for the retail release a year later, titled ''Ultimate Doom'')… that's exactly one third of the game which was ''given away for free''. Because many who downloaded and beat the shareware episode mistakenly believed themselves to have beaten Doom, its sequel would not see a shareware release, [[http://www.doomworld.com/interviews/int7.shtml as clarified by John Carmack in an old interview.]]
* The ''VideoGame/DukeNukem'' series -- [[VideoGame/DukeNukemI The]] [[VideoGame/DukeNukemII first]] [[VideoGame/DukeNukem3D three]] main games in the series had a complete “episode” released as shareware first, with further episodes then being available to buy.
* ''{{Heretic}}''
* ''ImmortalDefense'' allows you to play through the first third of the game for free, downloadable from their website.
* The Shareware version of ''VideoGame/EpicPinball'' had "Android" as a free table; paying for the game allowed users to unlock other tables.
* ''VideoGame/JazzJackrabbit'' -- The sequel had its own, disconnected shareware episode, made up of unique levels that could be played as its own episode in the retail version.
* ''VideoGame/JillOfTheJungle''
* The ''VideoGame/LaxiusForce'' series
* ''VideoGame/MadDaedalus'' lets you play a limited trial for free, but requires a paid code to unlock the full game.
* ''VideoGame/{{Minecraft}}'' is this now - unpaid users can play "demo mode", where a single map only lets you play for 5 in-game days before asking you to pay. After that, the map is locked until you pay.
* ''VideoGame/MonsterBash''
* ''VideoGame/{{Quake}}'' -- The original game in this series was released as shareware. It gave gamers eight levels for free, with 24 more available if you bought the full version.
** Nine if you count the Hub Level "start". Which is also a cool deathmatch level.
* ''{{Realspace}} 3: Apocolypse Returns'' -- Though, the three other games in the series are entirely free.
* ''VideoGame/RiseOfTheTriad'' -- One of first shareware releases to have an entirely different set of levels for the shareware version. All of the levels included in the full release were completely new.
* ''VideoGame/ScorchedEarth''
* ''VideoGame/SecretAgent''
* ''VideoGame/ShadowWarrior1997''
* ''VideoGame/TrafficDepartment2192''
* ''VideoGame/WorldOfGoo''[='s=] PC version qualifies, as it allows you to play through the entirety of its first chapter, but requires you to register the game to continue after that.
* ''VideoGame/{{Xargon}}''
* ''HalloweenHarry'' (otherwise known as ''AlienCarnage'') is an interesting case. First it was released as ''HalloweenHarry'' (with the first episode as shareware), but some thought the name would [[ViewersAreMorons make people think]] it was a holiday game. So they renamed it to ''AlienCarnage'' and swapped the first and third episodes. Gamers could get the (formerly) third part for free now. That leaves only the second and fourth episodes that you had to pay for. It's all been released as freeware now, but it makes you scratch your head, doesn't it?
* ''VideoGame/MiniRobotWars''
* ''VideoGame/HugosHouseOfHorrors'' not only is an example, but in the shareware version the Old Man's final question is to ask whether or not you've registered your shareware. You can lie to him, though; he's not very bright[[note]]In the retail version, he instead asks if you're absolutely sure you want to rescue the DistressedDamsel you've already braved the titular house to rescue, so yeah: Idiot.[[/note]].
* Some game demos on the Nintendo3DS (and probably other systems) allow you to save your data and transfer it to the full game when you decide to pay for it, even if the game isn't out yet. 3DS and WiiU demos are also trialware, as you can only start them up a limited number of times, with a few exceptions.

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