CosmoNotes, CosmoPoly, LOMA, MicroCosmos, MiniCosmos, NaboCosmos and PicoCosmos level sets
Copyright (C) by Aymeric du Peloux.
E-mail: aymeric.du-peloux@gadz.org


dh1, dh2, bagatelle, cantrip, and maelstrom level sets
Copyright (C) by David Holland


Microban, Mas Microban, Sasquatch, Mas Sasquatch, Sasquatch III, Sasquatch IV, Sasquatch V, Sasquatch VI and Sasquatch VII level sets.
Copyright (C) by David W. Skinner
E-mail: sasquatch@bentonrea.com


Grigr2001, Grigr2002 and GrigrSpecial level sets
Copyright (C) by Evgeny Grigoriev (aka GRIGoRusha)
E-mail: grigr@yandex.ru
Website: http://grigr.narod.ru/


SokEvo and SokHard level sets
Copyright (C) 2002-2006 by Lee J Haywood
E-mail: fruise@gmail.com
Website: http://leehaywood.org/games/sokoban/


Sven level set
Copyright (C) 2007 by Sven Egevad
E-mail: sven.egevad@telia.com


Box world, Sokoban Perfect and Sokoban Revenge level sets
Copyright (C) 1989, 1991 by Thinking Rabbit
Website: https://sokoban.jp/


Y.M. Auto and Y.M. Handmade level sets
Copyright (C) Yoshio Murase 
E-mail: yoshio@asahi.email.ne.jp
Website: http://www.ne.jp/asahi/ai/yoshio/sokoban/index.html
