Games Like Dual Protocol: 8 Two-Player Puzzle Games
Dual Protocol belongs to a small genre. Two players get different information, and they can only solve puzzles by talking. One Steam player put it simply in a thread titled “Finally another game like Operation Tango”. Another replied that Hacktag and Clandestine also have hacker/agent roles.
Below are eight games from the same space, with their Steam prices as listed on October 1, 2026. Most of them appear in the “more like this” row on Dual Protocol’s own store page.
The closest match
Operation: Tango ($19.99)
By Clever Plays, 2021. One player is the Agent and the other is the Hacker, connected “only by your voices”. This is the agent/analyst split Dual Protocol uses. Tango is a high-tech spy thriller, while Dual Protocol is a 90s noir murder case. Windows.
Two-player communication puzzle games
| Game | Developer | Price | Why it’s similar |
|---|---|---|---|
| We Were Here Too | Total Mayhem Games | $9.99 | Communication-based co-op puzzles in a dark castle; cross-platform |
| We Were Here Together | Total Mayhem Games | $12.99 | Same series, two players split up and talking by radio |
| We Were Here Forever | Total Mayhem Games | $17.99 | The largest entry in the series |
| We Were Here Expeditions: The FriendShip | Total Mayhem Games | $3.99 | A short standalone episode, good as a test run for a new pair |
| The Past Within | Rusty Lake | $5.99 | One player in the past, one in the future; “observe and communicate what you see” |
| Tick Tock: A Tale for Two | Other Tales Interactive | $5.99 | Neither player has the full picture; two devices and a voice connection |
| Unboxing the Cryptic Killer | Eleven Puzzles | $5.99 | A two-player co-op detective case, the closest in theme to the Castellari murder |
If you want the detective theme
Unboxing the Cryptic Killer is the pick. Two detectives, a killer, and codes to crack. The Past Within has Rusty Lake’s eerie mood and a cheaper entry price.
If you want something to play while you wait
We Were Here Expeditions: The FriendShip costs $3.99 and is short. It is a cheap way to find out whether you and your partner communicate well before Dual Protocol launches on October 2.
How Dual Protocol is different
From what the store page shows, Dual Protocol leans harder into data. One side handles physical evidence and the other handles terminals, archives and blueprints. Its 90s CRT look is unusual for the genre too. The theme is a full murder investigation at Castellari Manor rather than an escape. See the case and cast.
Noted. Back to the case.