IDUN - Frontline Survival

Released Jan 2025

A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!

76% positive · 725 reviews

Done

All announced content has been released

Medium confidence

Done

All announced content has been released

Medium confidence

Where to buy

Steam Updated 12 Oct 2026 $14.99

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Evaluation

IDUN - Frontline Survival launched on January 20, 2025 as a full 1.0 release. After launch, the developer maintained a very active update cadence throughout early 2025, shipping feature patches roughly every 1–3 weeks. The major milestone was Build 1.00 "End Game" on March 13, 2025, which added a concluding cinematic, Extreme Difficulty, Epic Raids, and completed hero implementations — signaling the completion of the game's core content arc. Following that, the developer continued with three more patches: Build 1.03 on April 29, 2025 (new Extreme Raid map and Space Station room), Build 1.04 on May 27, 2025 (reworked turret targeting system), and Build 1.06 on June 13, 2025 (balance and UI refinements). The most recent developer communication of any kind was on June 13, 2025 — over 15 months ago as of today's date (September 24, 2026). No new content has been announced, no unreleased DLC is listed, and no roadmap or future content plans have been communicated. The developer had been posting frequently — multiple times per month — through mid-2025, so silence since June 13, 2025 represents a significant departure from that pattern. With no outstanding commitments and silence extending well beyond the established update cadence, the game appears to have reached its completed state as of the final patch on June 13, 2025.

Evidence

Build 1.06 'Prio Press Punch' — the most recent developer communication, containing balance tweaks and fixes. No future content announced.

news post · Jun 13, 2025 source ambiguous

high

Build 1.00 'End Game' shipped: new ending cinematic, Extreme Difficulty, Epic Raids, and full hero implementations — described as a 'huge milestone'

news post · Mar 13, 2025 source content shipped

high

Media

Details

Developer

IDUN Interactive

Publisher

Surefire.Games

Achievements

Platform

Windows, macOS, Linux

Controller

full support

Steam Deck

Verified

Players

Single-player

3D Building Wargame Tower Defense Strategy RTS Survival Base Building Mining Sci-fi Combat Adventure Space Top-Down War

About this game

Welcome to IDUN, a new breed of defense RTS where explosive single-player action meets a gripping story campaign.

Engage in a compellingly chaotic combination of RTS action and tactical tower defense to wipe out relentless alien swarms overwhelming the screen. Command a varied arsenal of combat tools in real-time, from repositionable drag-and-drop turrets to point-and-shoot orbital cannons, leveraging their strengths to overcome challenging scenarios.

Explore several diverse modes and complete fist-pumping missions, including defending the collection base, escorting nuclear vehicles, and protecting mining carts. Execute a strategic plan of defense by deploying destructive tanks, blade-spinning fans, flesh-melting turrets, and sturdy barriers to block vicious waves of extraterrestrial vermin.

Real-time Tactical Flexibility

Break free from traditional tower defense gameplay—deploy and reposition your units freely, taking full command of the battlefield.

Dynamic Battlefield

Experience ever-changing missions as the battle against relentless enemy swarms reshapes the terrain. Destruction and enemy remains create new challenges and opportunities, demanding constant tactical adaptation.

Persistent Tech Progression

Advance through a robust tech tree, upgrading your space station and unlocking devastating turrets, elite troops, and tactical tools to outlast the endless onslaught.

High Replayability

Rogue-lite elements ensure every run is unique, filled with fresh challenges, unpredictable encounters, and new ways to master survival.

The Outer Rim

Dive into a fully voiced story where the relentless attacks are just the beginning. Join the crew as the story unfolds in unexpected and game-changing directions.

Play Your Way: Full Control Anywhere

Enjoy the freedom to play IDUN however you like! The game offers seamless support for Mouse & Keyboard, Gamepad, Touch, and is now fully optimized for Steam Deck.

Take advantage of extensive customization options for both visuals and controls, ensuring the perfect gameplay experience tailored to your preferences.