Draconus: Cult of the Wyrm

Draconus is set in a medieval fantasy world divided into 15 separate stages, and each level takes around one hour to complete. Accession through the stages is linear, although the player is presented with a choice, in certain moments, which of two next levels to complete first. This choice does not affect the storyline in any way, but can be refreshing in future play-throughs. Some of the stages are protected by the boss.