Overview

"Inscrutable FourDC -Imprisonment-" is a challenging puzzle game developed and published by Maruno Games. This title focuses on a singular, demanding objective: deriving a specific 4-Digit Code (4DC).

The game eschews typical time pressures, allowing players to immerse themselves in the problem-solving process at their own pace. However, the challenge is amplified by a strict limit of only five attempts per code, making each guess critically important.

Should players falter, progressive hints are introduced after specific failures, offering a guiding hand without revealing the solution outright.

Highlights

  • Developed and published by Maruno Games, this title offers a unique puzzle experience focused on deciphering a 4-Digit Code.
  • The game features a deliberate pace with no time limits, encouraging thoughtful deduction.
  • Players are challenged with a limited number of five attempts per puzzle, with progressive hints available upon repeated failure.

Who It's For

This game is designed for players who relish a mental workout and enjoy the satisfaction of cracking complex codes. If you appreciate puzzle games that demand focus, logic, and careful consideration over speed, "Inscrutable FourDC -Imprisonment-" will likely appeal to you.

It’s for those who find joy in the pursuit of a single, precise answer.

Game Info

"Inscrutable FourDC -Imprisonment-" is available on Steam and supports both English and Japanese languages. It falls into the Adventure, Casual, and Point & Click genres, with elements of 2D Platformer and Hidden Object gameplay.

The game also features Steam Achievements and is a paid title. Developed and published by Maruno Games, it was released on July 16, 2026.