All I can think of now is our own finance department at work. Maybe this is the secret to what they do all day…
While the game isnt a beauty to look at—the hero is represented by a smiley face and all enemies are all bracket-parenthesis pairs—its fairly complex for, well, a spreadsheet. Attacks include a range of damage-inducing and healing spells that players buy and use with “blood,” which regenerates with each turn. Players also find and can equip a range of weapons, including rocks, slingshots, bowling balls, rifles, ninja stars, and brass knuckles.
via How an accountant created an entire RPG inside an Excel spreadsheet | Ars Technica.