Play as Agent Eva to follow the trail, or as Analyst Miles to manage the operation. Dual Protocol is an asymmetric noir puzzle game where two players progress only through conversation. Without seeing each other’s screens, combine the data you have and uncover the truth behind the Castellari murder.

<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/f6d13754edd74e1718c873a2f72292ed.avif?t=1781539377" width=835 height=123 /><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/7b95ab1400ad5a803cb91cf24080dab2.poster.avif?t=1781539377" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/7b95ab1400ad5a803cb91cf24080dab2.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/7b95ab1400ad5a803cb91cf24080dab2.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/02b7a7a011894a6b4f7f52f05f9710c8.avif?t=1781539377" width=835 height=123 />Track clues behind locked doors as Agent Eva, or manage the operation from analog terminals as Analyst Miles. One is in the heart of danger on the field; the other is at the desk, buried in data. You cannot see each other's screens, yet you must become each other's eyes and mind. Dual Protocol is a pure Noir asymmetric detective experience where your voice and the information you relay are your only weapons.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/149efba7e4abf4a0b5848a81b57c765b.poster.avif?t=1781539377" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/149efba7e4abf4a0b5848a81b57c765b.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/149efba7e4abf4a0b5848a81b57c765b.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/b34173c2367dc06ba16ba1e6a778d2cb.avif?t=1781539377" width=835 height=123 />In this investigation, the only way forward is to keep talking. You must instantly describe every complex symbol, every mysterious object, and every lock you encounter to your partner. A single miscommunication or a missing detail in the halls of the Castellari Manor could lead to the case being closed forever.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/6432baebed882ca943eb9241adc58a4a.poster.avif?t=1781539377" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/6432baebed882ca943eb9241adc58a4a.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/6432baebed882ca943eb9241adc58a4a.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/04e0e2b421fe5d75ccd72123adb423ad.avif?t=1781539377" width=835 height=123 />The mysterious murder at the city’s most prestigious estate is too deep to be solved from a single perspective. As Eva, touch the physical evidence on the ground; as Miles, dive into the archives to decrypt technical blueprints. Eva finds the clues Miles cannot reach; Miles analyzes the complex data Eva cannot decipher.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/914ffdd39885b8932a25ca3ccc1b0726.poster.avif?t=1781539377" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/914ffdd39885b8932a25ca3ccc1b0726.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/914ffdd39885b8932a25ca3ccc1b0726.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/88a0d94b0591ead4d109cf39d2374d18.avif?t=1781539377" width=835 height=123 />A bleak universe where the technological texture of the 90s collides with classic noir atmosphere. Search for the truth amidst CRT flickers, heavy shadows, and the tactile clatter of vintage computers. Manually enter terminal commands, scan documents, and piece together the Castellari murder bit by bit.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/52e13c921644dcc62a246d4da52d0c29.poster.avif?t=1781539377" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/52e13c921644dcc62a246d4da52d0c29.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/52e13c921644dcc62a246d4da52d0c29.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/69cbea7b6268429a48f80099308577d6.avif?t=1781539377" width=835 height=123 />Cross-Data VerificationConnect the dots by matching real-time field info with hidden central records.Asymmetric OperationOne player physically triggers mechanisms in the manor while the other reads complex system manuals to guide the way.Critical DeductionWhen Miles's data and Eva's observations unite, the veil of mystery over the Castellari murder will finally lift.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/58c94472e0d677b0890a6a98193ff7bb.poster.avif?t=1781539377" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/58c94472e0d677b0890a6a98193ff7bb.webm?t=1781539377" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/58c94472e0d677b0890a6a98193ff7bb.mp4?t=1781539377" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4675140/extras/f0ed01bb970bba752cf0a4dd0cabf6a5.avif?t=1781539377" width=835 height=123 />

DUAL PROTOCOL: The Case of Eva & Miles Demo

An asymmetric noir experience where communication is everything. While one player gathers clues on-site, the other provides guidance from analog terminals. Work together without seeing each other's screens to solve a complex murder case in a retro-tech world.

<h2 class="bb_tag" ><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/cce3d584aa409b82cbecbc562cf44539.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/cce3d584aa409b82cbecbc562cf44539.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/cce3d584aa409b82cbecbc562cf44539.mp4?t=1779636391" type="video/mp4"></video>DUAL PROTOCOL: The Case of Eva &amp; Miles</h2>How much can you trust someone you cannot see? Track clues behind locked doors as Agent Eva, or manage the operation from analog terminals as Analyst Miles. One is in the heart of danger on the field; the other is at the desk, buried in data. You cannot see each other's screens, yet you must become each other's eyes and mind. Dual Protocol is a pure Noir asymmetric detective experience where your voice and the information you relay are your only weapons.<h2 class="bb_tag" ><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/7173b65d40e4629e5c67d412c6c58142.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/7173b65d40e4629e5c67d412c6c58142.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/7173b65d40e4629e5c67d412c6c58142.mp4?t=1779636391" type="video/mp4"></video>Silence is Your Worst Enemy</h2>In this investigation, the only way forward is to keep talking. You must instantly describe every complex symbol, every mysterious object, and every lock you encounter to your partner. A single miscommunication or a missing detail in the halls of the Castellari Manor could lead to the case being closed forever.<h2 class="bb_tag" ><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/13df6f1e1832287de10bff29f978f1fc.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/13df6f1e1832287de10bff29f978f1fc.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/13df6f1e1832287de10bff29f978f1fc.mp4?t=1779636391" type="video/mp4"></video>Two Screens, One Bloody File</h2>The mysterious murder at the city’s most prestigious estate is too deep to be solved from a single perspective. As Eva, touch the physical evidence on the ground; as Miles, dive into the archives to decrypt technical blueprints. Eva finds the clues Miles cannot reach; Miles analyzes the complex data Eva cannot decipher.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/8eb545729da6c66072aa5955cc9dfcbc.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/8eb545729da6c66072aa5955cc9dfcbc.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/8eb545729da6c66072aa5955cc9dfcbc.mp4?t=1779636391" type="video/mp4"></video><h2 class="bb_tag" >A Retro-Cyber Noir World</h2>A bleak universe where the technological texture of the 90s collides with classic noir atmosphere. Search for the truth amidst CRT flickers, heavy shadows, and the tactile clatter of vintage computers. Manually enter terminal commands, scan documents, and piece together the Castellari murder bit by bit.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/93134ffed76af0e5a57f1dab62b81980.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/93134ffed76af0e5a57f1dab62b81980.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/93134ffed76af0e5a57f1dab62b81980.mp4?t=1779636391" type="video/mp4"></video><h2 class="bb_tag" >Dive into the Heart of the Investigation</h2><ul class="bb_ul"><li>Cross-Data Verification: Connect the dots by matching real-time field info with hidden central records.</li><li>Asymmetric Operation: One player physically triggers mechanisms in the manor while the other reads complex system manuals to guide the way.</li><li>Critical Deduction: When Miles's data and Eva's observations unite, the veil of mystery over the Castellari murder will finally lift.</li></ul>Separate rooms, the same case. How much can you trust your partner's descriptions?<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/03fff9b1a7b51566ee1037091b8f6f21.poster.avif?t=1779636391" width=800 height=450 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/03fff9b1a7b51566ee1037091b8f6f21.webm?t=1779636391" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4660280/extras/03fff9b1a7b51566ee1037091b8f6f21.mp4?t=1779636391" type="video/mp4"></video>