The Nintendo Switch version of the deck-building roguelite Menherarium: Deadly Dice launched on August 13, 2026, Japan time. It was developed by Tezcatlipoca, a five-person game development collective, and published by Phoenixx Inc.

Players start the story held captive by a “menhera” girl. To escape, they must wager blood on Chinchiro, Japan’s traditional dice gambling game, and survive seven days.

Chinchiro is a dice gambling game that has been played in Japan since ancient times and is little known overseas. Likewise, “menhera” is a term from Japanese subculture that hasn’t spread beyond Japan. Steam’s English page describes the game’s girl as “a clingy menhera girl” — meaning she’s attached to the player and won’t leave their side. Menherarium: Deadly Dice incorporates both concepts into a deck-building roguelite framework, a genre popular overseas as well. Phoenixx Inc. has also released a video explaining the rules of Chinchiro.

A score target set for each day determines victory or defeat. Players modify the dice themselves and use items that amount to cheating, aiming to hit that target.

The PC (Steam) version launched earlier, on February 18, 2026, making Nintendo Switch the game’s second platform. Steam has 653 user reviews, 92% of them positive, giving the game a “Very Positive” status; even looking only at the most recent 30 days, 92% of 28 reviews are positive.

Supported languages for the interface and subtitles are Japanese, English, Simplified Chinese, Traditional Chinese, Russian, and Brazilian Portuguese — six in all. Voice acting is available in Japanese and English, with voice actor Natsuyoshi Yuko featured in the Japanese voice cast, as confirmed in the credits of the Nintendo Switch version’s trailer.