
Red Siren: Space Defense
Red Siren is an intense sci-fi action shooter where you pilot the galaxy’s most advanced starfighter to defend planets against waves of robots, tanks, mechs and war machines. Upgrade your ship, unleash devastating weapons, and dominate epic battles across hostile alien worlds.
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What are keyshops?Multipacks (1)
About Red Siren: Space Defense

Fly the most advanced robot destroyer spaceship of the galaxy, the Red Siren. Defend steel mines on real alien planets, fight hostile alien mechs and robots in an endless war for sky dominance. Join the Force and play your part in real space ship battles.
The year is 2138. Power hungry mining colonies wage warfare to achieve supremacy over the abundant planets of a faraway star cluster. With the support of civil society and modern robotics, the private companies have colonized the surrounding planets, utilizing their natural sources worldwide. Since the new mining technology is not available for everybody, people are organized in groups, building robots and looting planets. War was inevitable. In response, the Exacorp established Red Siren combat squad. As a highly trained pilot, you take control of the most advanced starfighters of the galaxy to safeguard strategically important planets. Annihilate invading ground forces, achieve aerial superiority, and use your resources to upgrade your ship to dominate any combat situation, and become the most feared predator of this interstellar conflict! The outcome of the war is in your hands!
Red Siren: Space Defense is a space war game with futuristic robots, tanks, spaceships, war mechs and huge battle machines! Enjoy the amazing visuals, realistic effects, exciting battles, challenging missions… the real robot warfare! Discover marvelous planets, defend the base building, destroy all enemy robots, tanks and mechs! Hunt down the enemy space ships with your massive weapon arsenal. Unlock new levels in four different worlds, try every ship, weapon and upgrade them to be a real robot destroyer! Try to demolish all of your enemies as fast as you can, throw multiple bombs, blast them with your plasma gun, launch your missiles and keep shooting. The strategy is up to you, but no matter what: crush their forces and stop the invasions all over the world!
🚧 Key features:
☆ Spectacular graphics and audio
☆ Tons of varying enemy types
☆ Intuitive starfighter controls
☆ Stimulating, action packed gameplay
☆ Upgrades and new ship types tailored for different play styles
☆ Full retina display support
☆ Leaderboards & achievements
🎮 Gameplay Content:
☆ fight against multiple enemies: tanks, robots, mechs, ships, battle walkers
☆ ranks and achievements 👑
☆ upgradable weapon arsenal 🔧
☆ exciting powerups to aid you in the battle
❗️ Tips:
☆ Try various weapons and upgrade your favorites to the max level
☆ Complete missions to get prizes
☆ Dodge the enemy projectiles and attack them from the back
☆ Don’t be an easy target: keep moving!

Game details
Game details
Age ratings
Game modes
Languages
Features
Red Siren: Space Defense price history
Lowest tracked price: €14.79 (Jul 7, 2026) · current best: €14.79.
Red Siren: Space Defense reviews
83% positive reviews all-time.
Red Siren: Space Defense — frequently asked questions
Where can I buy Red Siren: Space Defense at the cheapest price?
Right now the cheapest offer for Red Siren: Space Defense is €14.79 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Red Siren: Space Defense has ever been?
The lowest price KingsPrice has tracked for Red Siren: Space Defense is €14.79 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How can I get Red Siren: Space Defense at a discount?
Create a free price alert on this page and KingsPrice will email you when Red Siren: Space Defense drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: 2.0 GHz Processor
- Memory: 8192 MB RAM
- Graphics: OpenGL 2.0 compatible graphics
- Storage: 1 GB available space
- Sound Card: OpenAL compatible sound card
Recommended
- Requires a 64-bit processor and operating system













