All the official art 101Leafy has found for the game so far, each piece with the book and page it was printed on.
Cover of the Japanese manual: Jack Frost, Jack Lantern, Jack Ripper, Pixie, and fairies over the red maze Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, coverThe three Jacks with Ryuusei Yarou, the Atlus game adviser Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 2Pixie sitting on the Jack Brothers Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 9Area 1, Forest of Fairies on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Area 2, Grim Reaper's Cavern on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Area 3, Temple of Nightmare on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, pp. 10-11Area 4, Dragon's Belly on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Area 5, Mecha Fortress on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, pp. 10-11Area 6, Crystal Palace on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Jack Frost on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Jack Lantern on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Jack Ripper (Jack Skelton) on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Pixie on the area map Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 11Ryuusei Yarou, the Atlus game adviser Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 13Jack Frost jumping down to the next floor Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 18Jack Frost with his name logo Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 19Jack Lantern with his name logo Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 19Jack Ripper (Jack Skelton) with his name logo Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 19Special Attack Star, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Invincibility Potion, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Jack Shield, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Time Clock, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Jack Traps, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Boulder, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Paradice, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 22Dark Zone, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 23Double Lasers, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 23Luminous Lex, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 23Fire Breather, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 23Warp Tile, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 23Slime, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 24Goblin, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 24Tomcat, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 24Mystic Morgan, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 24Elf, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 25Cyclops, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 25Furin, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 25Skelipede, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 25Poltergeist, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 26Angel, as the manual shows it Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 26Jack Lantern and Jack Frost with a small red imp Jack Bros. no Meiro de Hiihoo! instruction manual, Atlus, 1995, p. 26Jack Frost, from the Virtual Boy Tsushin preview Virtual Boy Tsushin (Famitsu Bros. August 1995 special issue), ASCII, 1995, p. 92Jack Lantern, from the Virtual Boy Tsushin preview Virtual Boy Tsushin (Famitsu Bros. August 1995 special issue), ASCII, 1995, p. 92Jack Ripper (Jack Skelton), from the Virtual Boy Tsushin preview Virtual Boy Tsushin (Famitsu Bros. August 1995 special issue), ASCII, 1995, p. 92Jack Bros. logo over the key art of the three Jacks Nintendo Power Volume 80, Nintendo of America, 1996, p. 106Jack Skelton, from Nintendo Power Nintendo Power Volume 80, Nintendo of America, 1996, p. 106Pixie, captioned as the guide to the fairy world Shin Megami Tensei Chronicles, Koei, 1996, p. 43Jack Bros. CG key art: the Jacks and fairies over the red maze Shin Megami Tensei Chronicles, Koei, 1996, p. 43Jack Frost and Jack Lantern with a small red imp Shin Megami Tensei Chronicles, Koei, 1996, p. 43