Stranded at sea in an alternate timeline, you must master a complex time travel system to find a way home while piecing together the mystery of an obsessed captain and his quest that led him to the Greenland Sea in search of a supernatural anomaly.

<h2 class="bb_tag" >Features</h2>Unique Time Travel SystemSwitch between a looping 1955 and an ever-advancing 1992. Changing something in the past creates a new timeline and you can travel between these branching realities to make use of the different effects of your actions.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/3759ea9646ad7b6d7eab57f314176783.poster.avif?t=1776720705" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/3759ea9646ad7b6d7eab57f314176783.webm?t=1776720705" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/3759ea9646ad7b6d7eab57f314176783.mp4?t=1776720705" type="video/mp4"></video>Nautical Mystery Piece together a fractured story of a scientist and former WW2 sailor obsessed with the Anomaly, a mysterious weather event that created time travel and poses a threat to humanity. Your choices in how and when to act will shape the outcome of this story, exploring themes of fate, creationism, and whether the future is something discovered or something made.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/d28ff44c558a296fd67e46e297815bd3.poster.avif?t=1776720705" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/d28ff44c558a296fd67e46e297815bd3.webm?t=1776720705" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/d28ff44c558a296fd67e46e297815bd3.mp4?t=1776720705" type="video/mp4"></video>Environmental Time Travel PuzzlesSolve intricate puzzles across time that require careful attention to the rules of time travel and help unravel the mystery.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/64e33727a24c1e28de0cca859f822750.poster.avif?t=1776720705" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/64e33727a24c1e28de0cca859f822750.webm?t=1776720705" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/64e33727a24c1e28de0cca859f822750.mp4?t=1776720705" type="video/mp4"></video>Atmospheric WorldExplore a detailed, hand-crafted world within a research vessel in the Greenland Sea converted from a 1950s fishing trawler.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/f1100bdac0185b4e522a36a7ea26dc84.poster.avif?t=1776720705" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/f1100bdac0185b4e522a36a7ea26dc84.webm?t=1776720705" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/f1100bdac0185b4e522a36a7ea26dc84.mp4?t=1776720705" type="video/mp4"></video>Multiple Endings – Shape your and the captain’s fates through your choices and actions, leading to different resolutions.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/b2a7ecc5a43b44ad9954e3c90b7efb4d.poster.avif?t=1776720705" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/b2a7ecc5a43b44ad9954e3c90b7efb4d.webm?t=1776720705" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4078800/extras/b2a7ecc5a43b44ad9954e3c90b7efb4d.mp4?t=1776720705" type="video/mp4"></video><h2 class="bb_tag" >Long Description</h2>At Eternity's Hatch is a mystery puzzle adventure centred around an evolving time travel system. Stranded at sea aboard a 1950s research vessel in an alternate timeline, you must utilise the ship's time travel abilities to uncover information, solve puzzles across timelines and alter the past to return home. As the game progresses, you learn the rules governing the time travel system involving multiple timelines and how to use them to your advantage, unlocking new abilities along the way. Through a layered mystery with puzzles tied to narrative, you will discover secrets about the ship’s origin, its captain, and his quest to the Greenland Sea in search of a supernatural anomaly that threatens humanity, playing your part to determine the outcome of the story as the immediate plot and uncovered backstory converge.The game is designed for fans of narrative-driven, atmospheric mystery puzzle games, who are motivated by curiosity, love uncovering layered mysteries, and appreciate games that reward observation and thoughtful problem-solving.

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At Eternity's Hatch Achievements