In an Contest with my Cousin I have made an Game with only 2 things that you need so have fun.
Btw my nativ language is German so please correct me in the comments :D
Step 1: Parts List
You will need an Arduino( I used an arduino uno)
also an PC
and an Sainsmart Lcd keypad shield (or simular)
Her the links for the Items:
Step 2: The Code
There is the code have fun with it but please comment me if you use it on an other platform/instructable
Step 3: Controls
You can only walk with the right, up and down buttons.
The letters there are viewed in the left upper corner are not milliseconds only a counter that can play with friends.