About this app
Meet the protagonist of the Quatro City story – a player character – Mark Eidos. This sharp-eyed detective is sure to know a thing or two about multifaceted investigations. There's no doubt that his track record makes him the ideal person to solve the Quatro City catastrophe! From now on, only you can help Mark Eidos unravel the mysteries, complete all quests, and solve the case that is more complicated and bizarre than it may seem. Start your investigation!
Latest release
What’s New
- Language switcher was fixed.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 4:48 PM Free
Screenshots
