| Server name | Abbreviation | Variant name |
|---|---|---|
| nethack.alt.org | nao_nh36 | NetHack 3.6.1 |
| ascension.run | asc_nao | NetHack 3.4.3-nao |
| asc_unh | UnNetHack 5.3.1 | |
| asc_dnh | dNetHack 3.15.1 | |
| asc_dyn | DynaHack 0.6.0 | |
| asc_nh4k | NetHack Fourk 4.3.0.4 | |
| asc_fiq | FIQHack 4.3.0 | |
| asc_nh4 | NetHack4 4.3.0 | |
| nethack4.org | nh4 | NetHack4 4.3.0 |
| em.slashem.me | esm_nh36 | NetHack 3.6.1 |
| esm_slex | Slash'EM Extended 2.2.2 | |
| esm_gho | GruntHack 0.2.3 | |
| esm_shc | SporkHack 0.6.5 | |
| www.hardfought.org | hdf_nao | NetHack 3.4.3-nao |
| hdf_nh36 | NetHack 3.6.1 | |
| hdf_shc | SporkHack 0.6.5 | |
| hdf_gho | GruntHack 0.2.3 | |
| hdf_unh | UnNetHack 5.3.1 | |
| hdf_dnh | dNetHack 3.15.1 | |
| hdf_nh4 | NetHack4 4.3.0 | |
| hdf_nh4k | NetHack Fourk 4.3.0.4 | |
| hdf_fiq | FIQHack 4.3.1 | |
| hdf_dyn | DynaHack 0.6.0 | |
| hdf_slex | Slash'EM Extended 2.2.2 | |
| hdf_xnh | xNetHack 0.2.0 | |
| hdf_spl | SpliceHack 0.3.0 | |
| hdf_13d | NetHack 1.3d | |
| eu.hardfought.org | euhdf_nao | NetHack 3.4.3-nao |
| euhdf_nh36 | NetHack 3.6.1 | |
| euhdf_shc | SporkHack 0.6.5 | |
| euhdf_gho | GruntHack 0.2.3 | |
| euhdf_unh | UnNetHack 5.3.1 | |
| euhdf_dnh | dNetHack 3.15.1 | |
| euhdf_nh4 | NetHack4 4.3.0 | |
| euhdf_nh4k | NetHack Fourk 4.3.0.4 | |
| euhdf_fiq | FIQHack 4.3.1 | |
| euhdf_dyn | DynaHack 0.6.0 | |
| euhdf_slex | Slash'EM Extended 2.2.2 | |
| euhdf_xnh | xNetHack 0.2.0 | |
| euhdf_spl | SpliceHack 0.3.0 | |
| euhdf_13d | NetHack 1.3d | |
| au.hardfought.org | auhdf_nao | NetHack 3.4.3-nao |
| auhdf_nh36 | NetHack 3.6.1 | |
| auhdf_shc | SporkHack 0.6.5 | |
| auhdf_gho | GruntHack 0.2.3 | |
| auhdf_unh | UnNetHack 5.3.1 | |
| auhdf_dnh | dNetHack 3.15.1 | |
| auhdf_nh4 | NetHack4 4.3.0 | |
| auhdf_nh4k | NetHack Fourk 4.3.0.4 | |
| auhdf_fiq | FIQHack 4.3.1 | |
| auhdf_dyn | DynaHack 0.6.0 | |
| auhdf_slex | Slash'EM Extended 2.2.2 | |
| auhdf_xnh | xNetHack 0.2.0 | |
| auhdf_spl | SpliceHack 0.3.0 | |
| auhdf_13d | NetHack 1.3d |