http://giggles.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/projects/termemory/index.html
There is no special dependency or instructions you can just compile and run it as is, you will have 2 seconds to save the position of symbols in your mind and then you can walk eating the symbols in alphabetic order, every 3 correct symbols you will can refresh your memory. Enjoy the game !
The symbols will appear like this:
++++++++++++++++++++++
+ +
+ +
+ +
+ C+
+ +
+ A +
+ ...