Iron Sea Defenders
Released Sep 2016
Man the guns! The enemy fleet is on the horizon! Defend your fort from attacks – show your tactical skill.
80% positive · 341 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $14.99
Can't confirm — worth a look
We couldn't confirm these stores carry this game.
Green Man Gaming Steam key Search IndieGala Steam key Search Prices in USD, as listed by each store.
Buying through an affiliate store helps support the site
Evaluation
Iron Sea Defenders launched on September 9, 2016 and received three DLC packs in quick succession: The West Coast (September 23, 2016), Lost Land (October 6, 2016), and a Soundtrack (November 30, 2016). All three DLC are released and accounted for. The developer's news feed shows no posts related to Iron Sea Defenders after October 2016 — subsequent posts from 2017 and 2018 are promotional cross-posts for an entirely different game (Business Tour), not Iron Sea Defenders updates. There are no unreleased DLC entries, no announced future content, and no post-launch update cadence beyond the initial DLC burst in the two months after launch. The game shipped as a complete tower defense experience, and all associated content was delivered by November 30, 2016.
Evidence
Soundtrack DLC released — the last content item on the store listing. All three DLC are released with none remaining unreleased.
Developer announced the Lost Land DLC — the last Iron Sea Defenders-specific news post. No further updates for the game have been posted.
Content
3 of 3 released · no outstanding content
Media
Details
Developer
Publisher
8Floor
Achievements
12
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player
About this game
Man the guns! The enemy fleet is on the horizon!
Defend your fort from attacks – show your tactical skill.
Build cannons, save money, destroy the enemy with the help of secret weaponry and keep your wits about you, because your enemy never sleeps.
This unique historical setting will allow you to immerse yourself in an atmosphere of real and uncompromising battle. Varied enemies, powerful cannons and secret weaponry which will drive your enemy to despair – all of this in a new Tower Defense game!





Defend your fort from attacks – show your tactical skill.
Build cannons, save money, destroy the enemy with the help of secret weaponry and keep your wits about you, because your enemy never sleeps.
This unique historical setting will allow you to immerse yourself in an atmosphere of real and uncompromising battle. Varied enemies, powerful cannons and secret weaponry which will drive your enemy to despair – all of this in a new Tower Defense game!





- Man the guns!
- All the power of artillery in your hands!
- Powerful cannons and serious opponents
- A unique setting and secret weaponry
- Build an ideal defense!
Last evaluated Jun 27, 2026
Something about this evaluation looks wrong Report illegal or harmful content