PC $14.99 Region US
Games Action Red Siren: Space Defense
Red Siren: Space Defense: header artwork
Action · ISTOM Games

Red Siren: Space Defense

Red Siren: Space Defense
Windows Brazil · l
6 user reviews · 83% of 6
DeveloperISTOM Games
GenreAction
ControllerFull
Wait Price verdict · US updated yesterday

The current price is 100% of the way from its all-time low to full price. Seasonal sales have priced it lower.

Why this verdict
Price position between all-time low and full price 100%
All-time low $3.74 · 21d ago
Player reviews 83% positive of 6
Quality score 83/100 · small sample
Value score 0/100

Offers

Official store prices and labeled keyshop comparisons

Official stores (1)
Steam
checked yesterday Lowest price
Store low $3.74 · Lowest across stores $3.74
Steam, official store, $14.99
$14.99 Buy on Steam
Direct store link. Payment stays with the store.
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Price history

Accepted price history and recorded lows

Historical lows
All-time low ATL $3.74 2026-06-27
3-month low $3.74
12-month low $3.74
Current $14.99
Price events From the accepted price history
Jul 3, 2026
Sale ended · back to $14.99
Jun 27, 2026
New all-time low $3.74

Packs and bundles (1)

Multi-item packages that include this game

About this game

What this game is, in the developer's words

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.

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!

Media

Trailers and screenshots straight from the store page

Red Siren: Space Defense price history and current deals

Red Siren: Space Defense for PC currently sells from $14.99 at authorized stores. Its all-time low is $3.74, set on 2026-06-27.

Frequently asked questions

Answered from this game's own price and edition data

How does the current Red Siren: Space Defense price compare?
The price verdict is wait. The current price is 100% of the way from its all-time low to full price. Seasonal sales have priced it lower.
How does $14.99 compare with the Red Siren: Space Defense price history?
$14.99 is 100% of the way from the all-time low of $3.74 to the full price. A lower price is recorded in the history.
Which stores list Red Siren: Space Defense?
Red Siren: Space Defense is tracked at steam. This section lists authorized stores and links to their store pages.
Scores
Steam reviews 6 user reviews · 83%
Media (13)
Tech
ControllerFull
Requirements
System requirements platform
Minimum
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
Recommended:
  • Requires a 64-bit processor and operating system
Minimum
Minimum:
    Recommended
    Recommended:
      Minimum
      Minimum:
        Recommended
        Recommended:
          Facts
          DeveloperISTOM Games
          PublisherISTOM Games
          GenresAction · Adventure · Casual
          ModesSingle-player
          Links
          Ratings
          Brazill
          Indonesia3+
          Germany (Steam rating)0+
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