DOS

	How to run programs in DosBox Learn what you need to do to emulate DOS programs on modern systems so you can play older and classic Wolf3D mods, and use classic programs like MapEdit!
	Saving Memory in DOS Discover different ways the community has found to avoid that pesky "Abnormal Program Termination" error when trying to add new features in DOS.
	Compiling the DOS Wolf3D source code Set up the environment for editing the DOS version of Wolf3D, and making your own nostalgic mod project!
	Building for different versions of Wolf3D and SOD Switch between the base games in the engine, easily!
	RPG System #1: A Basic Levelling System Add a touch of RPG to your Wolf4SDL project by implementing your own experience and levelling system in Wolf4SDL!
	Removing the Lives system from Wolf3D (Beta) Untangle the web of code that makes the Lives system, and either have the game always restart the level on death or have the player instantly lose.
	Rearranging the status bar Learn how to make basic changes to the statusbar in DOS, Wolf4SDL and ECWolf!
	In-game Messages Create in-game messages to display to the player, as seen in countless other games!