Description

"The Underbelly is a game of conflict between prisoners and guards, which players use their cunning and skills to escape from the cold shadowy bars of the Alcatraz-like superjail of Underbelly, or to prevent the escape of the villains by keeping them in at all costs." (An excerpt from the teaser video.)

The Underbelly is a Card Game based on the mechanisms of Mafia and Werewolf format, which involves the conflict between prisoners and officers revolving around jailbreak plot.

Three roles of INMATES, GUARDS and SNITCHES are assigned to the players, which INMATES must strive to achieve their victory by collecting four "Tunnel Points" by the means of using action cards.
GUARDS, in the other hand, must prevent the inmate's escape attempt altogether by exposing their action cards and giving them WARNING cards, which may eventually lead to CONFINEMENT which means the confined INMATE can no longer play the game.

SNITCH in the other hand, must assist the GUARDS by feeding them support among the INMATES.

During the beginning of game, the GUARD players reveal their role cards alone, while both SNITCH and INMATE players are not revealed.
GUARDS also have the ability to appoint TRUSTY among the INMATES who they consider as a potential SNITCH.
INMATE appointed as TRUSTY is given significant privileges, which makes the trusty status both as an advantage that a rightful SNITCH can exploit or for INMATES to pretend as a SNITCH and use it against the GUARDS.

The inmate-only character cards have different abilities, however they are kept hidden until the ability itself is activated or the inmate player is CONFINED.
The aforementioned action cards are the represent any actions or activities that are performed by both INMATES and the GUARDS which can assist achieving their respective adjectives.
Event cards are the cards which have its effect every individual turn, which represents the varied security status of the prison and it will naturally aid the guard players to take control of the situation.

—description from the publisher