Demonic Mahjong: Heatwave Carnival

Overview

Demonic Mahjong: Heatwave Carnival is a Steam DLC connected to Demonic Mahjong. It was prepared by OMEGamesStudio, published by OMEGamesStudio, NPC Entertainment, and released on Jul 28, 2026. This page focuses on the store listing, screenshots, price, requirements, and its relationship to the main game rather than presenting it as a normal live-player game.

Store reviews and relationship

Demonic Mahjong: Heatwave Carnival is a DLC, so player-count observations and tracked peak are not meaningful in the same way they are for a base game. The useful signals here are reviews, store recommendations, price, platform support, and the link back to Demonic Mahjong.

Language and system requirements

Demonic Mahjong: Heatwave Carnival is available in 4 languages including:

3 regional rating boards including dejus, steam germany, and igrs. Steam has not published complete Windows, macOS, and Linux requirement text for this game yet.

Recommendations and store value

Demonic Mahjong: Heatwave Carnival has recommendation data pending. Twitch streaming and unit-sales estimates usually belong on the parent game page, while this page is better for checking the DLC, price, media, and store details.

Demonic Mahjong: Heatwave Carnival overview details

Demonic Mahjong: Heatwave Carnival is tracked as Steam Store content with pricing, reviews, packages, media, requirements, and its relationship to the parent app.

Steam Store description

Sweltering hell is the realm governed by King Dushi, one of the Ten Yama Kings. In legend, it lies deep beneath the sea, under the Wo Jiao Stone in the west. It is the fiercest and most restless blazing hell in the underworld: its flames never cease, and even the air seems to carry a scorching fury. Yet in the world of Demonic Mahjong, this fearsome inferno has taken on a completely different look—molten fire lights up the night sky, heatwaves become the beat, and a mahjong-themed beach party arrives in full swing! We hope the new DLC will bring everyone a fresh and genuinely fun new experience. In this new version, we will bring: 6 brand-new characters: Dragonvine, Sweetie, Monotropa, Lycoris, Mandra, and King Dushi Nearly 40 brand-new Figurines A brand-new underworld area / match scene And a very important new gameplay mechanic: Scoring In this new version, we are introducing a crucial new gameplay mechanic—“Scoring.” Unlike the traditional flow of “play tiles → become Ready → win → score,” in the new version, once the conditions are met, you can perform “Scoring” during the discard phase according to specific tile patterns. These tiles will directly calculate Fan and points, immediately converting them into rewards. This means— Scoring no longer happens only at the moment you win a hand. You can actively choose the timing and use a carefully organized pattern to keep building an advantage during the match—even creating an overwhelming point gap before becoming Ready. For example: if you discard 1 Bamboo, 2 Bamboo, 3 Bamboo, 4 Bamboo, and 5 Bamboo, then choo…

SteamPulse editorial summary

Demonic Mahjong: Heatwave Carnival is listed as a DLC with Free to play. It supports Windows, belongs to Single-player, Downloadable Content, Steam Cloud, and Family Sharing, and is associated with Casual, Strategy, and Free To Play. Because it is a DLC, SteamPulse focuses on its Store listing, relationship to the parent app, media, packages, and metadata rather than treating it like a standalone concurrency page.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.