Beginner's Guide to Nethack Sources Required reading. Explains how to make most types of changes. Written by
German Martin in '95.
How to Read the Source Seriously incomplete. Oriented towards people who know some programming,
but not enough to figure out the source without help.
Making New Levels Version 1.2.2. Oriented towards non-programmers using Windows.
Summary version for people who know computers.
Utility programs for new levels:
DOS 3.4.0 280K
Windows 3.4.0 250K
Slash'EM version ????
Tile editingTileEdit Get both of these utilities; section 9 of Making New Levels is a User Guide.
TileScan 452K & 60K.