This coffee shop has a lot of bad reviews written by the (mostly german) tourists. The few good reviews come from duth locals, so i would say skip this onefrom your list.
They are selling tasty space cake here, no creditcards only cash.
Check the comments about coffeeshop Lucky Luke in the comments section at the bottom of the page!
Tweede Walstraat 161
6511 LT Nijmegen
latitude/longitude 51.843475, 5.86156
Open: 7/7 10.00 - 23.00 hours