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''3 in Three'' is a classic puzzle game for the UsefulNotes/AppleMacintosh, designed by Cliff Johnson and published by Creator/{{Cinemaware}} (and by Inline Design after Cinemaware went bankrupt); the protagonist is an instance of the number 3 in a computer. The game starts with the 3 being rounded off from a spreadsheet, just as the computer crashes. As a result, she is sent deep into the innards of the computer, where she has to solve a number of puzzles in order to get it working again, all the while dealing with a plethora of letters, most of whom have never heard of numbers and think that she's a damaged B.

'''Note:''' This game is available for public download at the [[http://www.thefoolsgold.com/downloads/index.htm official website]]. Everything players need to get it running is there, not only on the Macintosh, but on Windows as well.

!!Tropes featured include:

* AutomaticLevel: The last elevator level will solve itself after only a single mouse click. [[spoiler:Unfortunately, it's not the single mouse click you think it is...]]
* ChekhovsGunman: The drone has the objective to delete the rogue 3. At the end of the game, the rogue is deleted.
* EnterSolutionHere: After completing other puzzles, you sometimes get random garbled text or a strange letter. After discovering what they really mean, these are all entered in the metapuzzle, Inside Track.
* FacelessEye: The creature seen in "Mind's Eye"
* GravityIsAHarshMistress (of the "gravitational cognizance" variety)
* InsideAComputerSystem
* OneLetterName: Most of the characters the 3 encounters are letters, and [[spoiler:the main villain is a pi symbol]].
* OnlySmartPeopleMayPass: Since the gameplay consists entirely of puzzle-solving, this trope is naturally invoked.
* SetPiecePuzzle: The gameplay consists of a long sequence of these.
* SpeakFriendAndEnter: Required to open the metapuzzle.
* TalkingTypography: Most of the characters.
* ThisCannotBe: In the picture above.
* TitleDrop: In the picture above.
* WhosOnFirst: "Dove Owls" combines this trope with InadvertentEntranceCue:
-->'''I:''' Hey, what about I?\\
'''A:''' What about you?\\
''[enter U]''\\
'''U:''' Someone call me?\\
'''A:''' Oh be quiet!\\
''[enter O]''\\
'''O:''' I didn't say anything.
* XtremeKoolLetterz: Needed for puzzles available at the start.
* YouAreNumberSix: Or number 3, rather.
* YouCantGoHomeAgain: The 3 spends most of the game trying to get back to the spreadsheet, (only to discover in the end that [[spoiler:[[StrangerInAFamiliarLand she's not happy there any more]]]]).
** [[spoiler:She mentioned she wished to go to a nice quarterly report from the start.]]