Steam game

MAHJONG: BEYOND THE WALL 天井之外

A roguelike deckbuilder where Mahjong tiles replace cards. Pick any 5 tiles, trigger scoring hands, stack relics, and build absurd multiplier engines that explode to ×20, ×50, ×200 and beyond.

$5.94 April 6, 2026

By Chen Liang Yu

Windows
View on Steam
MAHJONG: BEYOND THE WALL  天井之外 - Chen Liang Yu. Popular. Released April 6, 2026
Screenshot of MAHJONG: BEYOND THE WALL  天井之外 gameplay showing in-action mechanics Screenshot 2 of MAHJONG: BEYOND THE WALL  天井之外 - additional gameplay view Screenshot 3 of MAHJONG: BEYOND THE WALL  天井之外 - more gameplay footage Screenshot 4 of MAHJONG: BEYOND THE WALL  天井之外 - final gameplay screenshot

Overview

About this game

Mahjong tiles. Roguelike engine. Score explosions.

Mahjong: Beyond the Wall is a roguelike deckbuilder where Mahjong tiles replace playing cards.

You are not playing traditional Mahjong.
Instead, you pick any 5 tiles from your hand, trigger scoring patterns, and stack relic effects to build a runaway scoring engine.

Watch the calculation unfold:

BASE × TYPE × MOMENTUM × ENGINE

Multipliers climb higher and higher until the numbers explode.

Core Gameplay

• Draw a hand of tiles
• Pick any 5 tiles to play
• Trigger tile patterns (Triplet, Sequence, Flush, Honor builds...)
• Stack relic effects to multiply your score
• Beat escalating blinds and bosses
• Push your engine to ridiculous multipliers

A single run can take your score from hundreds to billions.

Key Features

Mahjong Tiles as Cards
Mahjong tiles replace poker cards in a fast roguelike scoring system.

Explosive Multipliers
Build engines that stack multipliers: ×10 → ×50 → ×200 → beyond.

Roguelike Builds
Relics, deck thinning, and special tiles create wildly different runs.

Boss Rule Twists
Bosses change the rules and force you to adapt your strategy.

Clean Strategy UI
A clear calculation panel shows exactly how your score explodes.

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