Momotarou Dentetsu G: Gold Deck o Tsukure! is part of the Momotarou Dentetsu series, known for its board game-style gameplay. In this installment, players aim to build the ultimate "Gold Deck" while navigating various challenges and events. Set on a virtual game board, players travel across Japan, purchasing properties and managing resources to outperform opponents.

The game features classic board game mechanics, where players roll dice to move around the board, encountering random events, and making strategic decisions. The objective is to accumulate wealth and properties, while also dealing with unique game events that can alter the course of the game.