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MustScream
MustScream is an online co-op horror game for 1-4 players that uses mic input. Scream into your mic to run! Push your voice to the limit and make it to the end!
View on Steam ↗ $6.99 (US · as of 2026-09-26)What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“taiwan is a country”
— a player, Steam review · 0 hrs played“worst game ever don't even try to buy it”
— a player, Steam review · 0 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. 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 (2026-09-25). 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.
New Map “Laboratory” & Ping Feature Update
A new map, “Laboratory,” and the new Ping feature has been added to MustScream . Laboratory is set inside a research facility that has sunk beneath the sea. Fight through an extreme underwater environ
New Map “Laboratory” Coming – Underwater Stage
A new map, “Laboratory,” is coming to MustScream. Laboratory is set inside a research facility that has sunk beneath the sea. Fight through an extreme underwater environment with poor visibility and r
Temple Update & Public Matchmaking Now Available
The new map “Temple” and public matchmaking have been added to MustScream. Temple features partially randomized layouts, changing each time you play. Explore the dark corridors of the temple and find
Public Matchmaking Coming – Play with Other Players Instantly!
Public matchmaking is planned for MustScream. When creating a server, you will be able to set it as a public server, allowing you to play with other players without needing a room ID. As before, you c
New Map “Temple” Coming – A Stage That Changes Every Time You Play
A new map, “Temple,” will be added to MustScream. Temple is a map where parts of the stage are randomly generated, causing the layout to change every time you play. Explore the dark corridors of the t
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Casual, Indie |
| Player tags | Horror · Online Co-Op · Action · Multiplayer · Casual · Survival Horror · Singleplayer · Psychological Horror · First-Person · FPS · Indie · 3D (Steam store community voting) |
| Features | Single-player · Multi-player · Co-op · Online Co-op · Steam Achievements · Family Sharing |
| Languages | English, Japanese, Spanish - Spain, Russian, Simplified Chinese, Korean |
| Achievements | 16 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64bit Processor: Intel(R) Core(TM) i7-6700HQ Memory: 16 GB RAM Graphics: NVIDIA GeForce GTX950M Storage: 4 GB available space