Aztecalypse casts you as a leading scientist from the National Institute of Mystery, volunteering to investigate the disappearance of archaeologists at a newly discovered site. The expedition begins near an abandoned camp, where the immediate question is what happened to the mercenary. Remnants of an ancient culture and an apocalyptic atmosphere frame the search, giving the adventure a blend of archaeological mystery and danger.
The game is described as a first-person action experience set in a mystic, open-world location. Exploration is central: beyond following the story, players can visit other places across the area. That combination gives the premise room to unfold through both investigation and excursions, rather than presenting the site solely as a backdrop to a linear narrative. The store lists Aztecalypse as single-player, so its format is an individual journey through this mysterious setting, not a multiplayer activity.