Immortal Defense: Sci-Fi Tower Defense with a Cult Following

9/13/2026, 11:35:07 PM

Release date: 8/31/2015

Tags: #indie #strategy #action #tower-defense #space #sci-fi #great-soundtrack #story-rich

User Reviews

Score: 86%Very Positive
Review Count: 219 reviews
Fetched At: 9/13/2026, 11:35:07 PM

Reference prices

Japan

¥ 980 (JPY)

Steam JP

$9.99 (USD)

Steam

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: ¥ 980
Global Price: $9.99
Price in Your Region: ¥ 980Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 18 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/13/2026, 11:30:36 PM

Key highlight

Immortal Defense is a cult classic indie tower defense game featuring a rich sci-fi story by novelist Jeanne Thornton. The Steam release includes enhanced graphics, Steam achievements, and leaderboards.

Who this is for

For those seeking a tower defense experience that balances narrative depth with strategic challenge, Immortal Defense is a must-play. It's particularly recommended for players who appreciate immersive sci-fi settings and achievement systems that add to the gameplay.

Details

Overview

Immortal Defense is a unique take on the tower defense genre, blending strategic gameplay with a compelling narrative. Developed and published by Studio Eres, this indie title has garnered a dedicated following for its innovative approach and rich sci-fi universe, which is rooted in Robert Bisno's novel "Raberata" and features a story penned by novelist Jeanne Thornton.

Highlights

Story-Rich Sci-Fi Universe: Immerse yourself in a universe built upon "Raberata," featuring a narrative crafted by novelist Jeanne Thornton.
Enhanced Steam Edition: This release boasts significant improvements, including Steam achievements that offer gameplay bonuses, leaderboards for competitive play, upgraded graphics and performance, widescreen support, and a more robust level editor.
Genre Blend: Combines the strategic depth of tower defense with action-packed moments and a strong emphasis on its science fiction setting.

Who It's For

Immortal Defense is ideal for players who appreciate tower defense games with more than just mechanics. If you enjoy strategic challenges, engaging science fiction stories, and titles with a strong cult following, this game offers a deeply rewarding experience. Fans of indie games with unique twists on established genres will also find much to love here.

Game Info

Developer: Studio Eres
Publisher: Studio Eres
Release Date: August 31, 2015
Genre: Indie, Strategy, Action, Tower Defense, Space, Sci-fi
Languages: English, French, Spanish, Japanese, Arabic, Russian
Features: Multi-player, Steam Achievements, Steam Trading Cards, Steam Workshop

Content Warning: Please be aware that Immortal Defense contains frequent flashing lights and visual effects, which may be problematic for individuals with sensory sensitivities, such as epilepsy.