Gameplay
Nanashi no Game involves two separate modes of play. Most of the game takes place in the real world, where the player navigates real-time 3D environments using the DS's D-Pad and Touch Screen. While exploring, the player must solve puzzles and reach locations. The player can switch to the TS Menu at any time, where they can play the cursed game, read e-mail messages, and load a previous save file. In many cases, an e-mail message or update to the cursed game will interrupt the player's exploration. In the cursed game, which only uses the top DS screen, the player controls a 2D 8-bit RPG that provides clues to the current situations and can, in some cases, advance the story.
Partway into the game, the player will encounter Regrets (ルグレ, Rugure?), zombie-like spirits that roam the area in exploration mode. If a Regret comes into contact with the player, it is game over. Regrets take several roles in the game, from standing guard to actively chasing the player. In some situations, the cursed game provides clues for bypassing Regrets.
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