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In 2007 I built http://sudokugarden.de/ http://sudokugarden.de/ (German and English site about sudoku, with online playing, highscores, and a loyal user base, a
by perlgeek 13y ago
In 2007 I built http://sudokugarden.de/ http://sudokugarden.de/ (German and English site about sudoku, with online playing, highscores, and a loyal user base, about 30k visitors/months).
In good times I made ~2.5k EUR/year with ads (mostly text links to boost other site's pagerank), but I lack the time and motivation to market it right now. It's zero maintenance.