This is the game that started the whole RPG genre. The idea behind it is that the player takes the role of a legendary hero in a dark fantasy world. Infernax: The RPG is based on an old-school style of adventure games.

The game starts with the player character in the medieval period. The world is full of monsters, dungeons, and other challenges. The character has to face the challenges and defeat the monsters in order to find the secret areas and dungeons. There are many secrets that the player can find. There are many quests and monsters to defeat. There are a lot of levels to go through. The player has to go through the storyline. There are many quests and missions.