indiefindr
indiefindrGame information and media from Steam.

Games like Red Siren: Space Defense

2 reviewsReleasedDec 4, 2025DeveloperISTOM Games
Red Siren: Space Defense screenshot

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.

$14.99 on Steam

More from ISTOM Games

See all
Rocky Castle
Rocky Castle
Impossible Draw
Impossible Draw

Indie games to play next

Picked to match Red Siren: Space Defense on gameplay, themes, and feel.

Steel Hail
Steel Hail
Parasite
Parasite
Battle for the Droid Station
Battle for the Droid Station
Colony - Arena Online
Colony - Arena Online
Zankinzoken
Zankinzoken
Strike Suit Zero
Strike Suit Zero

77% Mostly Positive

Metal Wayfarer
Metal Wayfarer
SpaceSeals
SpaceSeals
Outer Space: War Gears
Outer Space: War Gears
Starship Destroyer
Starship Destroyer
Stellar Ghosts Settlers
Stellar Ghosts Settlers
Battleships Collide: Space Shooter
Battleships Collide: Space Shooter
Jennifer Against Space Aliens
Jennifer Against Space Aliens
Galaxy on Fire 2™ Full HD
Galaxy on Fire 2™ Full HD

77% Mostly Positive

CyberHeart
CyberHeart
Chorus
Chorus

81% Very Positive

War Tech Fighters
War Tech Fighters

74% Mostly Positive

Guardians of Orion (Phase 2)
Guardians of Orion (Phase 2)

53% Mixed

The Mobius Machine
The Mobius Machine

82% Very Positive

Shadow of the Matrix
Shadow of the Matrix
Dark Side Void
Dark Side Void
Edge of Infinity
Edge of Infinity
JUST A GAME
JUST A GAME
Rogue Bots
Rogue Bots