Survive the Voyage, Unmask the Traitors

Step aboard the SS Atlantica, a grand steamship embarking on what should be a routine voyage across the Atlantic. But something is terribly wrong. Sinister forces move beneath the waves, unseen yet ever-present. The passengers and crew must band together to ensure the ship reaches its destination, but there are whispers of betrayal—some among you are not who they claim to be. Unfathomable is a gripping semi-cooperative social deduction board game, where players must navigate treacherous waters while uncovering hidden saboteurs working to bring the ship and its passengers to ruin.

A Journey into the Unknown

The year is 1913, and the SS Atlantica sets sail under ominous skies. As you journey through the stormy seas, strange occurrences begin to unfold—lights flicker, eerie whispers echo through the halls, and passengers vanish without a trace. The Deep Ones, ancient creatures from the depths, are rising, their malevolent influence creeping into the ship’s very structure. With resources dwindling and paranoia growing, every decision you make could mean the difference between survival and disaster. Will you rally the crew and steer the ship to safety, or will chaos overtake the vessel before it reaches its final destination?

Who Can You Trust?

Not everyone aboard is fighting for humanity’s survival. Hidden among the passengers are traitors, individuals enthralled by the Deep Ones, secretly working against the crew. These saboteurs will disrupt efforts, spread fear, and manipulate the team into making disastrous choices. As a loyal human, your task is clear: repair the ship, keep the passengers safe, and uncover the infiltrators before it's too late. But suspicions run high—false accusations can be just as dangerous as real threats. Will you place your trust in the right people, or will deception lead to your downfall?

The Struggle for Survival

The SS Atlantica is not just a setting—it is a battlefield where strategy, cooperation, and deception collide. Players must manage resources, fend off monstrous attacks, and work together to prevent the ship from succumbing to the relentless forces of the deep. Fuel shortages, food rationing, and structural damage push the crew to their limits. Do you prioritise reinforcing the hull against the relentless onslaught, or do you focus on rooting out the traitors before they strike again? Every decision has lasting consequences, and time is running out.

The Terror from Below

Beyond the ship’s fragile steel walls, the Deep Ones stir. These ancient beings, older than time itself, seek to drag the ship into the abyss, claiming its passengers as their own. As the storm worsens and waves crash against the hull, grotesque creatures begin their assault—climbing aboard, disrupting plans, and pulling unlucky souls into the sea. Each encounter with these horrors tests the sanity of those who stand against them. Do you have the resolve to fight back, or will fear consume you before the real battle begins?

Survive the Voyage, Unmask the Traitors

A Journey into the Unknown

Who Can You Trust?

The Struggle for Survival

The Terror from Below

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