If you like logic #puzzles I recommend "Loopy" from Simon Tatham's Puzzle Collection.
Also available on #fdroid https://f-droid.org/app/name.boyle.chris.sgtpuzzles
Originally called Slitherlink:https://en.m.wikipedia.org/wiki/Slitherlink
@hexmasteenIʼm more into Net, but nice puzzle collection indeed!
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