Man pages matching name xrubik in section 6:

xrubik.6.en	debian 10 / xmpuzzles
xrubik.6.en	debian 10 / xpuzzles
xrubik.6.en	debian 11 / xmpuzzles
xrubik.6.en	debian 11 / xpuzzles
xrubik.6.en	debian 12 / xmpuzzles
xrubik.6.en	debian 12 / xpuzzles