Rogue inspired an entire genre of games collectively known as roguelikes, and many credit it as providing the foundation upon which all later screen-oriented roleplaying games were built. First distributed in 1980, Rogue and its derivates continue to attract gamers and developers alike. Players face the basic task of guiding a single character through the Dungeons of Doom in a quest to retrieve the Amulet of Yendor. Although the monsters and obstacles which inhabit the Dungeons vary by version, Rogue and its descendants favor pared-down gameplay over bewlidering and expansive options that have frequently come to characterize later roguelikes. Popular derivatives include Ultimate Rogue (URogue), Super Rogue (SRogue), and Advanced Rogue (ARogue). Developers have ported the original to a wide array of platforms; notable ports include iRogue, KRogue, and zRogue. A rarity for games of this genre, Rogue has even seen commercial distribution.