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Who Pressed Mute on Uncle Marcus?
An eccentric FMV murder mystery with a twist: someone has poisoned Uncle Marcus. Uncover the truth in the yearly family quiz and try to save him before it is too late.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“[b]My Playtime:[/b] 6.5h (100% achievement, finished the game 7+) [b]My First Playthrough:[/b] 0.8h (bad ending) [b]Grindy Achievement(s):[/b] No. [b]Optional Achievement(s):[/b] Yes (15 achievements). [b]Difficult Achievement(s):[/b] No. [h1]Intro[/h1] [i]Who Pressed Mute on…”
— a player, Steam review · 6 hrs played“I need to rant about poisons for a sec before I can get into the meat of this. Why do I know some of this ♥♥♥♥? That is a discussion for never with you. :P The poison had to have been Clerici solution (had to look the proper term up because I knew the concoction but not the name…”
— a player, Steam review · 5 hrs played“🕵️ Who Pressed Mute on Uncle Marcus? | 👎 Mixed (leaning No) | ⏱ ~6h played === TL;DR === 🧠 A clever FMV setup with strong set-pieces and an interesting family-quiz framing — but the actual murder investigation is far too shallow, making the mystery feel more like passive…”
— a player, Steam review · 7 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
An eccentric FMV murder mystery with a twist 🔎
This update brings minor bug fixes and optimisations. From the studios behind Bloodshore, The Complex and Five Dates comes an eccentric FMV murder mystery with a twist: someone has attempted murder on
An eccentric FMV murder mystery with a twist 🔎
This update brings minor bug fixes and optimisations. From the studios behind Bloodshore, The Complex and Five Dates comes an eccentric FMV murder mystery with a twist: someone has attempted murder on
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Adventure |
| Player tags | FMV · Adventure · Choices Matter · Singleplayer · Casual · Story Rich · Indie · Choose Your Own Adventure · Realistic · Mystery · Multiple Endings · Conspiracy (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing |
| Languages | English * , French, German, Russian, Simplified Chinese, Turkish * |
| Controller | Full support |
| Achievements | 17 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
| Official site | http://www.walesinteractive.com/whopressedmuteonunclemarcus |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 32-bit Processor: 2.0 GHz Memory: 2 GB RAM Graphics: DirectX 11.0 compatible video card DirectX: Version 11 Storage: 11 GB available space