Because of course you can play Doom on the TouchBar. 

Features

• The entire UI of Doom available in a cramped TouchBar.
• Also available in a HUD only version!

Side note, as ridiculous (ly amazing) as Doom is running on the Touch Bar is… the HUD is equally great pic.twitter.com/RFwq7nJ7ae

— Adam Bell (@b3ll) November 20, 2016

In Action

Install

Visit the developers page.