Fortress Merge: Build and Defend Your Realm

9/4/2026, 5:50:12 PM (JST)

Release date: 9/4/2026

Tags: #roguelite #tower-defense #auto-battler #strategy #casual #tactical-rpg #rpg #fantasy

User Reviews

Steam rating: Steam positive 54% (28 reviews)
Fetched At: 10/11/2026, 1:09:13 AM (JST)

Reference prices

Japan

無料 (JPY)

Steam JP

Free to Play (USD)

Steam Global

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Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: 無料
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 9/12/2026, 4:31:02 AM (JST)

The price snapshot and review snapshot differ by about 693 hours. Because they are not always refreshed at the same time, confirm the latest Steam listing before making a purchase decision.

Key highlight

Fortress Merge is a free-to-play strategy game where players merge buildings to strengthen defenses against monster waves. It features unit training and tactical gameplay, supporting single-player and multiple languages.

Who this is for

Players who enjoy strategic tower defense and merging mechanics will surely appreciate the challenging gameplay of Fortress Merge. It's free-to-play and offers deep strategic fun.

Details

Overview

Fortress Merge invites players into a frantic battle for survival where strategic building and resource management are key. Under constant assault from monstrous waves, you'll need to construct and upgrade a variety of defensive structures and unit-training buildings. The core gameplay loop revolves around merging identical buildings to enhance their power and efficiency, a mechanic that demands careful planning and quick decision-making.

Highlights

Merge-Based Progression: Combine matching buildings to create more powerful versions, a central mechanic for strengthening your defenses.
Diverse Unit Training: Construct structures that produce knights, archers, mages, and horsemen, each with unique roles in defending your fortress.
Free-to-Play Strategy: Engage in deep tactical gameplay without an initial purchase, with options for in-app purchases to enhance the experience.

Who It's For

This game is ideal for players who enjoy strategy games, tower defense titles, and roguelite elements. Those who appreciate a satisfying progression system based on merging and upgrading, combined with the challenge of adapting to ever-increasing enemy threats, will find Fortress Merge compelling. It also appeals to casual players looking for a free-to-play experience with strategic depth.

Game Info

Fortress Merge is a single-player experience developed by TapNation and Tartatin, and published by QubicGames. It features full controller support and Steam Achievements. The game supports multiple languages, including English, French, German, Spanish, Czech, Finnish, Korean, Portuguese, Russian, and Simplified and Traditional Chinese. It was released on September 4, 2026, and is free to play.