Co-op cosmic horror game for up to 4 players. Explore dimensions inspired by Lovecraft’s tales, gather primordial energy, extract alien artifacts, investigate paranormal phenomena, and keep the wormhole open… or be lost forever.

<h2 class="bb_tag" >About the Demo</h2>The Expedition to Madness Demo lets you play solo or online with friends, with no time limits and unlimited replays. Earn experience, level up, collect wealth, and test all available equipment across two parallel dimensions. What will be included in the demo?🔻 A fully replayable co-op dimension – Inspired by The Case of Charles Dexter Ward, H.P. Lovecraft’s iconic cosmic horror tale 🔻 Explore the Victorian mansion plus, 1 negative dimension, 4 parallel dimensions, and 1 hellish one—with more surprises hidden inside 🔻 Encounter 10 Great Old Ones (don’t worry, not all at once—we're evil, not cruel)🔻 Investigate 8 distinct types of clues to identify which god haunts your expedition🔻 Access to the full Upgrade Shop and Expedition Loadout System🔻 A sneak peak to the dimensions that will be available on full release (check the map room!)🔻 Visit the Tutorial Gallery to learn how to maximize your mission payout🔻 Over 100 procedural in-game events already packed into the demo expedition🔻 Choose from multiple male and female explorers—and meet your drone companion, T.O.D.D.🔻 Voice chat, leaderboards (what's best expedition team?), Lovecraftian lore, collectibles and relics and more.Choose your gear, load the Hexeract, and dive into a terrifying co-op experience.<ul class="bb_ul"><li>Perform forbidden rituals using the Necronomicon to open portals into the negative dimension and uncover alien artifacts.</li></ul><ul class="bb_ul"><li>Navigate a shifting world that constantly reshapes itself, don’t get lost.</li><li>Investigate which Outer God is influencing your expedition and unravel their hidden agenda.</li><li>Avoid temporal and spatial displacement. Stay close to your team or risk being trapped alone.</li><li>Solve ancient puzzles and recover rare relics for even greater rewards… if you make it back.</li></ul>Explore. Extract. Escape. - Before the dimension consumes you.<h2 class="bb_tag" >About Expedition To Madness</h2>Expedition to Madness is a 1–4 player co-op cosmic horror experience that blends survival, exploration, and psychological tension. Step into the boots of an inter-dimensional explorer on a desperate mission to find your missing partner, Emily, lost somewhere in the folds of reality.<h2 class="bb_tag" >EXPLORE</h2>Traverse unstable wormholes into terrifying parallel dimensions inspired by Lovecraft’s most iconic stories. From the icy ruins of At the Mountains of Madness to the cursed coastlines of Innsmouth, each mission takes you deeper into a multiverse of horrors and hidden truths.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/47e5aa36ec1720638b1ac298b0a0894b.poster.avif?t=1762452372" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/47e5aa36ec1720638b1ac298b0a0894b.webm?t=1762452372" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/47e5aa36ec1720638b1ac298b0a0894b.mp4?t=1762452372" type="video/mp4"></video><h2 class="bb_tag" >EXTRACT</h2>Collect primordial energy, recover ancient artifacts, and piece together clues from Emily’s scattered journal. But be warned: unspeakable entities hunt in the dark, and the deeper you go, the harder it is to return.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/c724d9963b2c08c642595ca718d38822.poster.avif?t=1762452372" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/c724d9963b2c08c642595ca718d38822.webm?t=1762452372" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/c724d9963b2c08c642595ca718d38822.mp4?t=1762452372" type="video/mp4"></video><h2 class="bb_tag" >ESCAPE</h2>Survive the unknown. Maintain the wormhole. Discover what happened to her… and what lies beyond.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/37fa4761e1aa2b8859cd75107277f4c8.poster.avif?t=1762452372" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/37fa4761e1aa2b8859cd75107277f4c8.webm?t=1762452372" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3843140/extras/37fa4761e1aa2b8859cd75107277f4c8.mp4?t=1762452372" type="video/mp4"></video><h2 class="bb_tag" >Key Features</h2><ul class="bb_ul"><li>1–4 Player Online Co-op: Venture alone or with up to 3 friends. Every run is unique.</li><li>Multiversal Horror Settings: Explore shifting dimensions based on Lovecraftian literature, fully rendered in atmospheric first-person.</li><li>Resource-Based Survival: Balance your energy consumption/gathering, and sanity as you extract primordial energy to avoid being trapped in the void forever.</li><li>Narrative Discovery: Uncover Emily’s fate through journal entries, strange phenomena, and clues across the multicerse.</li><li>Lovecraftian Enemies: Face creatures that defy logic, some you can run from, others you must challenge… or avoid entirely.</li><li>Persistent Progression: Sell primordial energy and alien artifacts to upgrade your equipment and unlock access to deeper, more dangerous dimensions.</li><li>Nonlinear Objectives: Choose how to explore, what to extract, and when to escape, if you still can.</li></ul>

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Expedition To Madness Demo Achievements