ADOM, or Ancient Domains of Mystery, is a classic roguelike video game created by Thomas Biskup. It features a turn-based gameplay style where players navigate randomly generated dungeons, battling monsters and collecting items. The game is known for its depth, including various character classes and races, as well as a rich fantasy world. Players aim to complete quests, explore the vast world, and ultimately defeat the Chaos God to save the realm. ADOM has a dedicated fan base and has influenced many other games in the roguelike genre, thanks to its intricate mechanics and engaging storytelling.