Monopoly in Excel, made by Andrew Werner.
https://okayandrew.tumblr.com/po

Various games.
https://www2.computerworld.nl/software/75827-8-gratis-kekke-games-voor-excel
https://www.excelhelp.com/games-in-excel-2/

Tax return in Excel
A project that should not be missing here is the tax return in Excel.
This is discussed and explained annually in the magazine ComputerIdee.
Wim de Groot has made this handy Excel sheet and publishes an annual update.
Naturally, this sheet can only be used for the Dutch tax return.
https://www.computeridee.nl/downloads/productiviteit/belastingaangifte-in-excel/


Various games.
https://www2.computerworld.nl/software/75827-8-gratis-kekke-games-voor-excel
https://www.excelhelp.com/games-in-excel-2/

Tax return in Excel
A project that should not be missing here is the tax return in Excel.
This is discussed and explained annually in the magazine ComputerIdee.
Wim de Groot has made this handy Excel sheet and publishes an annual update.
Naturally, this sheet can only be used for the Dutch tax return.
https://www.computeridee.nl/downloads/productiviteit/belastingaangifte-in-excel/