Accountant by day and game developer at night – Cary Walkin had the idea of making his boring Excel spreadsheet into an RPG – Arena.Xlsm. The requirements are you will need a PC and Excel versions 2007, 2010 or 2013 to run this turn-base RPG game. And you will need to enable Macros for the game to work.
Check out the in-depth article on Walkin creating the RPG on Excel and the game itself, go to: Ars Technica – Excel spreadsheet RPG.
To download the game file, go to: Cary Walkin – Arena.Xlsm.