NetHack 3.6.7: Information

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Basic Information
Common Questions
macOS Information
Things we are NOT doing
The NetHack License
Game Documentation
Old (out-of-date) Information

Basic Information

What is NetHack?

NetHack is a single player dungeon exploration game that runs on a wide variety of computer systems, with a variety of graphical and text interfaces all using the same game engine. Unlike many other Dungeons & Dragons-inspired games, the emphasis in NetHack is on discovering the detail of the dungeon and not simply killing everything in sight - in fact, killing everything in sight is a good way to die quickly. Each game presents a different landscape - the random number generator provides an essentially unlimited number of variations of the dungeon and its denizens to be discovered by the player in one of a number of characters: you can pick your race, your role, and your gender.

For information on running the program see the README that comes with each copy.

For details on the game itself, see the Guidebook.

When will the next version be released?

When it's ready. We don't announce schedules so we don't miss deadlines :-)

Where do I find out about new versions?

Here, or on USENET:
Read rec.games.roguelike.announce on your local news server.
For more information, see our USENET information page.

What is the current version?

3.6.7

Where do I get it?

NetHack 3.6.7 can be obtained from our downloads page or by ftp from in .

What does it cost?

Nothing - NetHack is free software. While there is no monetary cost associated with it, NetHack is not in the public domain. Please see our license for details.

Where can we discuss NetHack?

The best place to discuss NetHack is on USENET:
Read rec.games.roguelike.nethack on your local news server.
The newsgroup has a FAQ† maintained by Dylan O'Donnell.

How do I contact the developers?

See our contacts page.

Common Questions

Can I use my old save files and bones files with the new version?: Almost always no, but see the release information for each version to be sure. These files contain information from the internal structures of the game, and these almost always change between versions.
You can use save and bones files from version 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.6.5, and 3.6.6.
Can I share my bones files with my friends?: Maybe. If you are using the same version of NetHack, compiled with the same options, on the same kind of operating system, with the same compiler, it will probably work; if any of these differ, it definitely won't.
My game crashed and I've got all these files ending in a number lying around. Can I get my game back?: Maybe. See the documentation for your version and look for either a recover program or a recover option to NetHack.
Why is it called NetHack if it's a single player game that doesn't use the net?: The "Net" in NetHack refers to the way the developers, many of whom have never met in person, organize the work on the program.
How about a multi-player version?: See Things we are NOT doing.
I kicked a chest, and "heard a muffled shatter" but didn't find any broken glass. What happened?: We don't keep track of dungeon rubbish.
How do I get a "-" in a player name?: Sorry, you can't.
I changed alignment and saved the game. When I restored I was greeted with my original alignment but the status line shows the new alignment.: This is not a bug.

This was true until 2002 and the release of 3.4.0 and is retained for historical interest only.

macOS Information

Will NetHack continue to be supported for Classic MacOS?: Yes.

Things we are NOT doing

Are you porting NetHack to Android?: No. Someone apparently has, but we have nothing to do with it.
Are you porting NetHack to Java?: No. "Porting" to Java would actually be a complete rewrite, and we have no interest in that. There is no Java applet window port either.
Has anyone ever thought that multiplayer NetHack would be a neat idea?: (Sigh.) Yes, at least a couple hundred people. We think you can't do that in a playable way without compromising the basic idea of being able to think as long as you want about what you're doing, but many people have made many different suggestions as to the one obvious way to handle things. If you still like the idea, you can try Crossfire, a multiplayer roguelike for UNIX/X11. Other games to check out are MAngband and Diablo.
Why don't you add Glamdring/Mournblade/etc.? After all, you have Orcrist/Stormbringer/etc., so you must have just overlooked the others!: Yes, but the new names would be just like the old ones, and wouldn't add anything new to the game. We try to make new things add new choices instead of adding absolutely everything we can find. (Believe it or not. :-)
Why don't you add this new role? I've come up with ideas for a leader, nemesis, and artifact, so it should be trivial for you to name all their experience levels and implement the new abilities and design appropriate quest levels for them and write pages of new quest text to cover every situation and then manage to differentiate the new role from the existing ones when outside the quest levels.: We're still trying to get the existing roles differentiated.
Could you include an "easy" option?: That's what explore mode is for!
How about prompting the player before they break a #conduct?: No. The whole point of #conduct is that you are avoiding the kinds of actions that lead to violations.
Why don't you add this new conduct? I'm sure it would be interesting.: It isn't feasible to track everything that could possibly be tracked in the game. You are quite free to engage in the conduct you desire, but we are not planning on rolling too many more conducts into the official sources.
Hey, how about a first-person shooter version (like Doom)?: Sorry, that would be a very different game, and we like working on this one.
Why don't you use self-extracting files to distribute NetHack?: Generally, our porting teams don't use self-extracting archives for several reasons. First, they add to the size of the binary; considering the number of platforms we support times the number of old versions that we try to keep, the extra size adds up. Second, practically every platform today comes with de-archiving tools (or good tools can be obtained for free), so there is no need to make distributions self-extracting. Third, relying on self-extracting archives is a bad habit for users; it is very easy to fool a user into running a "trojan horse" program. It is much better to distribute software in a well-recognized archival format, where the contents can be inspected before expanding.

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.6.1 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.6.0 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.4.3 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.ps: How to play NetHack (postscript).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.4.2 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.ps: How to play NetHack (postscript).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.4.1 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.ps: How to play NetHack (postscript).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

3.4.0 Game Documentation

Guidebook.pdf: How to play NetHack (pdf).
Guidebook.ps: How to play NetHack (postscript).
Guidebook.txt: How to play NetHack (ASCII).
nethack.txt: The Unix manual page for NetHack.
recover.txt: The Unix manual page for the recover utility.
dlb.txt: The Unix manual page for the dlb utility. Only interesting if you want to know how NetHack works on the inside.
dgn_comp.txt: The Unix manual page for the dungeon compiler. Only interesting if you want to know how NetHack works on the inside.
lev_comp.txt: The Unix manual page for the level compiler. Only interesting if you want to know how NetHack works on the inside.

Y2K Statement

Is NetHack version 3.4 Y2K compliant?: Yes, all releases since 3.2.3 have been Y2K compliant.
What about earlier versions?: NetHack 3.2.2 and earlier versions are not Y2K compliant (the score file used 2 digit years and will be corrupted if added to after the year 1999).

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Links marked with a dagger† are now served from archive.org.

Basic Information

Common Questions

macOS Information

Things we are NOT doing

Game Documentation

3.6.7 Game Documentation

Old (out-of-date) Information

3.6.6 Game Documentation

3.6.5 Game Documentation

3.6.4 Game Documentation

3.6.3 Game Documentation