Demonic Mahjong: Heatwave Carnival
Demonic Mahjong's new DLC Heatwave Carnival turns sweltering hell into a fiery beach party! Meet 6 new characters, collect nearly 40 Figurines, explore new scenes, and use Scoring to turn tile patterns into rewards before winning a hand.
| Type | DLC |
| Release Date | 7/28/2026 |
| Developer | OMEGamesStudio |
| Publishers | |
| Last Updated | 8/14/2026 |
| Steam App Id | 4817180 |
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About Demonic Mahjong: Heatwave Carnival
Demonic Mahjong: Heatwave Carnival is a Casual, Strategy, and Free to Play DLC developed by OMEGamesStudio. On 7/28/2026, it was released on the Steam Store by NPC Entertainment, and OMEGamesStudio. Demonic Mahjong: Heatwave Carnival can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
According to Steam’s category system, Demonic Mahjong: Heatwave Carnival supports the following features:
- Single-player
- Family Sharing
- Steam Cloud
- Downloadable Content
Media & Sceenshots
Explore the featured video and screenshots from Demonic Mahjong: Heatwave Carnival featured in the Steam Store.
DLC & Related Apps
Demonic Mahjong: Heatwave Carnival is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Demonic Mahjong | Game | 7/15/2025 | Steam Charts |