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the size of the grid, ranging from 5x5 squares (3 colors) to 15x15 squares (up to 16 colors). Many grids are "open" and some contain "walls" which must be navigated around. Whenever a level is completed, a check mark will appear on the level select icon to indicate that the puzzle is solved, while a star indicates a "perfect" game, where the player finished the puzzle with the fewest moves required. The app also contains additional paid packs as well as a time trial mode.
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Big Duck Games has also released three expansions in the series. The first expansion, "Flow Free: Bridges", was released on
November 8, 2012, at a fixed price. In this expansion, pipes can be made to intersect through pre-made bridges. The second expansion, "Flow Free: Hexes", was released on October
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puzzles. Each puzzle has a grid of squares with pairs of colored dots occupying some of the squares. The objective is to connect dots of the same color by drawing 'pipes' between them so that the entire grid is occupied by pipes. However, pipes may not intersect. Difficulty is primarily determined by
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201:. The third expansion, "Flow Free: Warps", was released on August 8, 2017. This expansion allows pipes to warp from an edge of the map to another edge of the map.
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in June 2012. As of 2022, the original game has received more than 100 million downloads, with its various variants receiving additional millions more.
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12, 2016, and features both free and paid premium puzzles. The gameplay is similar to "Flow Free" except the layout resembles
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Hart, Eammon; Joshua A., McGinnis (10 February 2022). "Physical Zero-knowledge Proofs for Flow Free".
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In this screenshot, the flow between the yellow dots needs to be completed to fill the grid
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295:"Jog Those Brain Cells With The Addictive Flow Free Puzzle Game [Android 2.2+]"
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This article is about the mobile puzzle game. For the indie game created in Flash, see
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as complexity increases, building upon a collaborative 2014 paper.
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According to a 2022 paper by Eammon Hart and Joshua A. McGinnis,
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developed and published by
American studio Big Duck Games for
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379:"Newly Released iPhone & iPad Apps – October 14, 2016"
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238:Tsukayama, Hayley (4 January 2016).
439:"Zig-Zag Numberlink is NP-Complete"
419:from the original on 10 August 2017
359:from the original on 10 August 2017
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320:Webster, Scott (1 November 2013).
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353:"Flow Free: Bridges Review"
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556:Puzzle video games
409:"Flow Free: Warps"
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69:Publisher(s)
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215:NP-complete
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150:puzzle game
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225:References
188:Expansions
181:numberlink
541:IOS games
423:10 August
413:AppsMeNow
363:14 August
336:14 August
305:14 August
254:14 August
211:Flow Free
179:presents
177:Flow Free
145:Flow Free
81:Flow Free
59:(Android)
32:Flow Free
417:Archived
387:Archived
357:Archived
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299:Archived
248:Archived
195:hexagons
164:Gameplay
123:Genre(s)
199:squares
158:Android
134:Mode(s)
114:Release
105:Android
128:Puzzle
78:Series
476:This
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
