If you’re the kind of player who loves solving puzzles with someone (or yelling at them when they miss the obvious clue), Parallel Experiment might be your next co-op obsession. The latest title from Eleven Puzzles, the indie studio behind Unsolved Case and Unboxing the Cryptic Killer, is available now on Steam, iOS, and Android — with a Nintendo Switch version on the way later this year.
In Parallel Experiment, you and a partner step into the trench coats of detectives Ally and Old Dog, who find themselves caught in a deadly trap set by the notorious Cryptic Killer. The only way out? Communication. Lots of it.
This is not your average escape room game. Each player has access to completely different information, and you’ll need to talk your way through over 80 challenging, interconnected puzzles that require sharp thinking and solid teamwork. From redirecting water systems and cracking old-school ciphers, to soldering circuits and decoding strange messages, Parallel Experiment goes all-in on inventive co-op mechanics.
Key Features Worth Talking About:
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Asymmetric Co-Op Gameplay – You both have different clues and can’t see what the other sees. Communication is your lifeline.
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Over 80 Unique Puzzles – Each one pushes the boundaries of what you expect from co-op puzzlers, with a balance of difficulty and creativity.
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Cross-Platform Play – Play across PC, iOS, and Android with full crossplay support, no matter what system you and your partner are on.
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Comic Book Noir Vibes – With a bold, hand-drawn art style that channels gritty mystery novels and detective pulp.
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Mini-Games With a Twist – From darts to match-three to claw machines, these aren’t your standard party games – they’re co-op challenges reimagined.
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NPC Conversations as Puzzles – Dialogues aren’t just story — they’re gameplay. You’ll need to work together just to extract the right info.
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Annoying Your Partner (In a Good Way) – Poke their screen, shake their camera, or just knock on things. Yes, you will do this.
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Draw All Over Everything – You get a notebook. So yes, expect genius puzzle solutions… and badly drawn stick cats.
Parallel Experiment is priced at $9.99 on Steam and $6.99 on iOS and Android, with a two-week 20% launch discount available now. You can also grab the Cryptic Killer Bundle, which includes Unsolved Case, Unboxing the Cryptic Killer, and Parallel Experiment for an even bigger discount.
If you and your puzzle partner are ready to test your communication under pressure — and maybe mess with each other along the way — Parallel Experiment is ready to trap you both. Good luck getting out.