Hostile Mars: Prologue – Build, Automate, and Defend on a Hostile Planet

7/7/2026, 7:14:37 PM

Release date: TBAUpcoming

Tags: #strategy #base-building #tower-defense #automation #open-world #resource-management #sandbox #action

Live Store Snapshot

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Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 7/7/2026, 7:14:36 PM

Key highlight

Hostile Mars: Prologue is a free-to-play factory-building game with tower defense combat. Build automated supply chains and upgrade gigantic guns to defend your base against thousands of enemies on a hostile planet.

Who this is for

Hostile Mars: Prologue is ideal for players who enjoy a blend of strategic factory construction and tower defense. As a free-to-play title, it's an easy recommendation to try out.

Details

Overview

Prepare for an intense factory-building experience with a combat twist in Hostile Mars: Prologue. Developed and published by Big Rook Games, this free-to-play title throws players onto a hostile alien world where survival depends on strategic base construction and the automation of complex supply chains. While the full game is still in development, the prologue offers a glimpse into a world where players must defend their burgeoning operations against relentless waves of enemies.

Highlights

Factory Building Meets Tower Defense: Hostile Mars: Prologue combines intricate factory management and automation with thrilling tower defense combat. Players will design and optimize supply chains to fuel their defenses.
Massive Enemy Assaults: Face off against thousands of enemy drones that swarm the landscape. Strategic upgrades and powerful weaponry are essential to repel these overwhelming attacks.
Deep Upgrade System: Almost everything in your base can be upgraded to extreme levels, from the size of your laser turrets to the efficiency of your automated bots, allowing for a truly customizable defensive strategy.

Who It's For

This game is for players who enjoy deep strategy, base building, and automation mechanics, but also crave the excitement of intense combat. If you like optimizing production lines while simultaneously fending off massive enemy assaults, Hostile Mars: Prologue should be on your radar.

Game Info

Hostile Mars: Prologue is a single-player experience that emphasizes strategic planning and resource management. The game is developed and published by Big Rook Games. While a release date for the full game is yet to be announced, this prologue is available as a free-to-play title. It features partial controller support and is compatible with Steam Family Sharing.