Crispy Doom is a friendly fork of Chocolate Doom that provides a higher display resolution, removes the static limits of the Doom engine and offers further optional visual, tactical and physical enhancements while remaining entirely config file, savegame, netplay and demo compatible with the original. Crispy Doom is a source port that aims to provide a faithful Doom gaming experience while also featuring some user-requested improvements and enhancements. It is forked off of Chocolate Doom to take advantage of its free and open-source code base, portability, accuracy and compatibility with Vanilla Doom. Its core features are: Enhanced 640×400 display resolution, with the original 320×200 resolution still available in the “Graphics Detail: Low” mode. Free vertical looking, including mouse look and vertical aiming. And much more!