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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.
Multiplayer Only
✓ 2–4 Players (Co-op)
Unsupported
Keyboard & Mouse
Crowdsourced campaign length, extra objectives, and 100% completion metrics
Session-Based / Party Multiplayer
Designed for dynamic rounds, party matchmaking, and infinite multiplayer replayability. No fixed linear campaign duration.
Official high-resolution media gallery (18 screenshots)




Available game editions, collector bundles, Supporter Packs, and downloadable expansions
Live pricing across official digital stores, historical lows, and subscription catalog availability
Honest player critiques with verified playtime and karma upvoting
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Troubleshooting guides, build recommendations and accepted solutions
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Key directors, leads, and game development studios