Only the current version so far — new entries appear as the app ships updates.
Riddle Run is an entertainment app by Mutix Inc. with 1,000+ downloads (about 4K estimated). Released Dec 26, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “** The best boost for physical activities **
** Planning tools for real-world puzzle solving, gathering points, and game-like guides **”