A dungeon exploration type RPG series released in the United States in 1981.

The breathtaking adventures that unfolded in a highly immersive environment attracted many users.

The game’s labyrinth exploration, party formation, monster combat, and other features had a major impact on later RPGs, and it is often referred to as the origin of RPGs.

Many titles have been released to date, and even now, more than 40 years later, it remains a timeless classic that boasts strong popularity around the world.