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100% positive of 4 · 4 user reviews · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
Seize control of hostile planets in this nostalgic space sim and tower defense hybrid inspired by classic Flash games. Fight for orbital supremacy in starship combat, then land on the surface to build bases, deploy defenses, and shred enemies. Relax aboard your ship with farming, mining, and more.
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Review score: 100% on 2026-11-01 → 100% today (4 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Steam Summer Sale Starts June 25If you are reading this on June 24, and you do not have your copy of Fortified Space yet, make sure to wait for the Steam Summer Sale to start, as I will be putting the game on discount!In-Game NewsDid you know you can read news…
The Naval Combat Simulation The UEF Naval Academy has built a new Naval Combat Simulation to enhance the skills of Navy starship crews during this crucial phase of the Interplanetary War. Any captains wishing to practice their flying and space combat fundament…
The free demo will always be available for anyone who just wants to play a quick base building mission without the commitment of a full version purchase. This week, I’ve updated the demo build to match the full version’s v0.1.4. The last time the demo was upda…
I don't know why I didn't just include normal difficulty options at launch! Those of you who have been playing the game since release (thank you!) may recall that I originally had a difficulty slider, allowing players to choose between 0% and 500% difficulty. …
A new update for Fortified Space is now available! The Endless Mode Update (v0.1.3) adds new features designed to make base building missions much more replayable. I'm happy to introduce the all-new Endless Mode and an improved Restart function.Endless ModeThe…
This minor update is also a direct response to player feedback! I heard that the fleet battle missions can cause performance issues on some machines, so I spent some time optimizing them as best as I could. On my Acer Nitro 5, I managed to get a whopping 105 F…
This is an early development teaser of the upcoming "Patrol Mode" game mode for Fortified Space, coming soon in future updates. Patrol Mode will take you back to our own Solar System, intercepting enemies, investigating derelicts, and providing aid to civilian…
Article Link: https://jateng.akurat.co/lifestyle/858503/20-game-tower-defense-terbaik-2026-dari-bloons-hingga-dungeon-warfare-wajib-coba Akurat.co, a prominent Indonesian news outlet, has ranked Fortified Space as #9 on its list of 20 Best Tower Defense Games …
I hope you all are having a great time playing Fortified Space and watching it improve with each passing week. As I put the finishing touches on yet another update, I wanted to take a moment to talk about the philosophy behind Nightsail Game Studios and how th…
I am proud to present the first Early Access build of Fortified Space, now available for purchase. Thank you to all of you who reached out across multiple platforms to provide feedback and encouragement throughout the development process so far. I am only a so…
LoreThe Unified Earth Forces Navy has finally fought its way to the enemy's home solar system, but cannot proceed any closer to the enemy homeworld. A strange shield generator, positioned in open space near the ocean moon of Expelan, is creating a field that i…
Article Link: Un viaje entre planetas y batallas orbitales: el híbrido estratégico que propone Fortified SpaceKotaku, one of the largest gaming news sites in the industry, recently published an article about Fortified Space in the Spanish-language version of i…
With just two weeks left until the Early Access launch of Fortified Space, I've decided to release the original soundtrack for you all to enjoy in the meantime. It will be held at a 40% discount until the game releases, ensuring that if you do decide to buy th…
New Gameplay Trailer ReleasedThe trailer is an incremental update of the previous one, and it showcases a few graphical updates and some of the new missions I've talked about this month. This will probably be the trailer that will be up during the Early Access…
LoreWelcome to the ice planet Londrea, a cold, snowy, inhospitable planet completely devoid of life. Unified Earth Forces intelligence believes that beneath the unforgiving surface of the planet is an underground network of factories producing the enemy's wars…
LoreWelcome to the forest planet Parassium, a verdant planet covered in trees and lakes. Interspersed across the planet's surface are highly unusual structures that appear to pulse electricity into pools of water. Based on the appearance of these structures an…
Thank You to FansI never thought I'd make a demo so popular that strangers would clamor for the game's release for months! But that is exactly what has happened. To say I'm touched is an understatement. Thank you so much for not only trying the demo, but for r…
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