| nethack/creature/ice_vortex | game_definition | — | 0 | 0 | 0 |
| nethack/creature/iguana | game_definition | — | 0 | 0 | 0 |
| nethack/creature/imp | game_definition | — | 0 | 0 | 0 |
| nethack/creature/iron_golem | game_definition | — | 0 | 0 | 0 |
| nethack/creature/iron_piercer | game_definition | — | 0 | 0 | 0 |
| nethack/creature/ixoth | game_definition | — | 0 | 0 | 0 |
| nethack/creature/jabberwock | game_definition | — | 0 | 0 | 0 |
| nethack/creature/jackal | game_definition | — | 0 | 0 | 0 |
| nethack/creature/jaguar | game_definition | — | 0 | 0 | 0 |
| nethack/creature/jellyfish | game_definition | — | 0 | 0 | 0 |
| nethack/creature/juiblex | game_definition | — | 0 | 0 | 0 |
| nethack/creature/keystone_kop | game_definition | — | 0 | 0 | 0 |
| nethack/creature/ki-rin | game_definition | — | 0 | 0 | 0 |
| nethack/creature/killer_bee | game_definition | — | 0 | 0 | 0 |
| nethack/creature/king_arthur | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kitten | game_definition | — | 0 | 0 | 0 |
| nethack/creature/knight | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kobold | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kobold_mummy | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kobold_shaman | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kobold_zombie | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kop_kaptain | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kop_lieutenant | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kop_sergeant | game_definition | — | 0 | 0 | 0 |
| nethack/creature/kraken | game_definition | — | 0 | 0 | 0 |