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#4,04154
▲ 31.7%vs 24h ago · updates every minute
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84% positive of 739 · Very Positive · Live from Steam
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Two detectives, one deadly experiment, a race against time. Each player only has one half of the puzzle. In this 2-player co-op puzzle game you can survive the parallel experiment only by working together.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 84% on 2026-11-01 → 84% today (739 reviews)
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Works great on Steam Deck. Results from Valve's own testing.
1 item on Steam, newest first.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
New Features:Added Japanese localizationAdded Korean localization
Bug fixes and improvements:Fixed an issue allowing horizontal movement on a raised platform while holding the prismFixed levitation after stepping off a platform in the platform mazeFixed an issue where a screw could be tightened while opening the workshop cov…
Bug fixes and improvements:Fixed an issue with the "Silly" achievementFixed a bug preventing return to the Temple of Trials for players who completed the game in a previous version but did not finish the Temple in a single sessionUpdated hints to accurately ma…
Bug Fixes:Fixed an issue that prevented the virtual keyboard from opening automatically on Steam DeckFixed occasional crashes when approaching lights in the workshopFixed several minor issues with the workshop assembly machineFixed an issue that prevented play…
Workshop Bug Fixes:Fixed an issue where soldering could work without power after loading a save.Fixed problems caused by leaving the battery in the drawer before loading a save.Fixed problems caused by leaving the circuit board in the drawer before loading a s…
Bug fixes:Fixed a memory leak that could, in certain situations, cause a crash during the Assembly puzzleFixed an issue that could occasionally soft-lock players in Investigation ModeFixed the reset behavior of the Assembly puzzleFixed a bug that could trigger…
Parallel Experiment is now Steam Deck Verified!Unsolved Case and Unboxing the Cryptic Killer also run smoothly on Steam Deck, though incorrect button prompts may occasionally appear. A fix is coming soon.Enjoy!
Detectives, Due to ongoing technical issues affecting connections to our servers, we’ve decided to suspend sales of our games in Russia. We don’t think it’s fair to sell a game in a region where we can’t maintain a reliable quality of service. Players in Russi…
Detectives! We've got something special for you.We listened to your feedback, read every review, and watched your videos and streams. Then we started working on an update, and it quickly grew into something much bigger.For the past few months, we’ve been hard …
We’ve poured our hearts and souls into this game, and we sincerely hope you enjoy every minute of it! This release marks a colossal milestone for our tiny team. Parallel Experiment is by far our most ambitious project yet — and with only 7 of us, it’s been a w…
Detectives! We planned to release the game on March 6th and were working day and night to meet that deadline. However, unforeseen obstacles significantly slowed our progress. In our effort to deliver the game on time and at our high standards, we had to cut so…
We’re beyond excited to share that Parallel Experiment will be launching on March 6, 2025! This game is truly special, and we’re incredibly proud of what we’ve achieved. While we’re still ironing out some final details and polishing the game, we’re thrilled to…