Grave Mistakes is a co-op horror comedy planned for Steam later in 2026. Developed by Happy Volcano and published by Oro Interactive, it has players running a family funeral home while a monster grandmother in the basement demands body parts. The announcement includes an official trailer, but gives no exact release date.
What is Grave Mistakes?
Grave Mistakes is a cooperative horror-comedy game for up to four players. Its central joke is the clash between ordinary funeral-home duties and the family’s monstrous basement-dwelling grandmother, whose requests turn the work into something far less routine. COGconnected’s October 1, 2026 announcement coverage identifies Happy Volcano as the developer and Oro Interactive as the publisher.
What does the announcement trailer show?
The announcement is accompanied by a trailer titled “Grave Mistakes – Official Announcement Trailer.” The premise presented alongside it puts players in charge of a family-run funeral home, balancing customer service and funeral preparations with the grandmother’s demands.
How does the funeral-home gameplay work?
The described routine mixes macabre tasks with the need to keep the business operating and its customers unsuspecting:
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- Perform autopsies and meet the grandmother’s requests for body parts.
- Prepare bodies for funerals and welcome grieving families.
- Avoid raising suspicion during ceremonies.
- Earn money and unlock upgrades as the funeral home attracts customers.
The announcement describes these activities, but does not establish details such as how missions are structured or how players divide tasks.
When and where can you play Grave Mistakes?
The game is planned for Steam later in 2026. The announcement coverage says players can wishlist it and sign up for a playtest, but provides no playtest schedule or exact release date. It also does not state a price, PC system requirements, multiplayer networking details, or whether voice chat is supported.
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What is confirmed—and what remains unknown?
| Detail | Announcement information |
|---|---|
| Developer | Happy Volcano |
| Publisher | Oro Interactive |
| Players | Co-op for up to four players |
| Platform and timing | Steam, planned for later in 2026; no exact date stated |
| Trailer | Official announcement trailer linked in the coverage |
| Playtest | Sign-up mentioned; schedule not stated |
| Price, system requirements, networking mode, voice chat | Not stated in the announcement coverage |
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