Alien Attack
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens.
82% of 182 Steam reviews are positive$1.99
Games like Alien Siege: Earth
If the retro and fast-paced rhythm of Alien Siege: Earth stuck with you, this helps. You might settle into these games easily.
Generic Space Shooter
Welcome to an epic world of endless carnage, where you battle alien foes at lightning fast speeds, and engage in mind meltingly epic boss battles. Immerse yourself in a beautifully hand crafted world, with visually stunning top down graphics and unlimited action packed levels.
Retro, Fast-paced, Tense
74% of 34 Steam reviews are positive$2.99Protect the Earth
You are the best pilot in the space force and the earth needs you to protect itself from an alien attack. Protect the earth and then go to the invader's planet to finish them off once and for all.
Retro, Fast-paced, Tense
100% of 4 Steam reviews are positive$1.59Alien Attack
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens. Persist them as long as you can.
Retro, Fast-paced, Tense
82% of 182 Steam reviews are positive$1.99Earth Attack
Tragedy strikes as aliens attack Earth. You're left alone to pilot the last remaining spacecraft on its way back to Earth from Mars Colony. Avoid missiles, asteroids, enemy ships, and more as you accumulate high-scores in Earth Attack! Can you survive long enough or will you perish?
Retro, Fast-paced, Tense
97% of 33 Steam reviews are positive$2.99Defend Earth: Xenos Survivors
You are Earth's last line of defense in a relentless alien invasion. Experience intense top-down roguelite action across diverse landscapes, fighting invaders with a versatile arsenal. Outsmart, outgun, and survive your foes. Every run increases the challenge - so adapt, evolve, dominate!
Fast-paced, Tense
79% of 47 Steam reviews are positive$4.99Orbital Siege
Reclaim the arcade. This is a high-octane space shooter where vibrant pixel art meets relentless alien armadas. Master your orbital defenses and survive the ultimate galactic onslaught.
Retro, Fast-paced, Tense
100% of 4 Steam reviews are positive$2.99Space Defense
You and your space troop have a tough mission to defend Earth from an alien invasion in this epic space war. Will you be able to guide your troops to victory?
Retro, Fast-paced, Tense
0% of 1 Steam reviews are positive$0.99Titan Attacks!
As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up, but is packed full of extras - new features, new...
Retro, Fast-paced, Tense
92% of 656 Steam reviews are positive$5.29Space Wars
Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter. Customize your ship, upgrade weapons, and battle through intense levels to save humanity in this action-packed space adventure.
Retro, Fast-paced, Tense
86% of 104 Steam reviews are positive$29.99It came from space and ate our brains
It came from space and ate our brains is a unique Arcade top-down shooter. Looking for addicting gameplay, four-player co-op mode, and tons of aliens to send into oblivion? You’ve come to the right place!
Retro, Fast-paced, Tense
79% of 168 Steam reviews are positive$9.99Retro Space Shooter 8-Bit
Defend Earth in this fast-paced 8-bit arcade shooter. Survive waves of alien attacks, destroy the asteroid, and face the alien mothership. Short, intense, and replayable. This is Retro Space Shooter 8-Bit.
Retro, Fast-paced, Tense
100% of 6 Steam reviews are positiveFreeEarth: 9000
Defend the Earth in this hyper intense, visually overwhelming, bullet hell, arcade shooter.
Retro, Fast-paced, Tense
100% of 2 Steam reviews are positive$4.99
Cheaper than Alien Siege: Earth
Space Defense
You and your space troop have a tough mission to defend Earth from an alien invasion in this epic space war.
0% of 1 Steam reviews are positive$0.99
Martian Invaders
WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects.
100% of 4 Steam reviews are positive$0.99
SPACE DANCE
Space Dance is a 90s-inspired space simulator where you defend Earth from alien invaders.
100% of 9 Steam reviews are positive$0.99
Aliens&Asteroids
Inspired by the classic arcade games Aliens & Asteroids is an active and fast space shoot 'em up with a lot of different enemies and bosses.
88% of 17 Steam reviews are positive$1.99
Space Cowboy
"Calling Space Cowboy"... Defeat waves of alien hordes invading Earth space, stop them reaching Earth and be hailed as the savior of humanity
100% of 1 Steam reviews are positive$1.99
Alien Decimation
Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.
100% of 4 Steam reviews are positive$0.99
ALIENS INVADED OUR PLANET
Aliens Invaded Our Planet is a Multiplayer / CO-OP (Up to 6P) FPS & Arcade Style Action game, the game is about alien invasion in 1900s Richalley…
64% of 55 Steam reviews are positive$0.99
Polygon Attack
Break through unlimited waves of enemies and fight unpredictable bosses!
89% of 240 Steam reviews are positive$1.99
Defendoooooor!!
In Defendoooooor!!!, it's your job to fight an alien invasion.
40% of 42 Steam reviews are positive$1.99
Last Space Guardian
Survive 10 enemy stages! Shoot 'Em Up style, spaceship game, in pixel art and 8-bit retro music!
100% of 7 Steam reviews are positive$1.99
Alien Attack: Pocket Edition
You are a brave space trooper. Your mission is to clean an alien sector with a huge amount of enemies.
90% of 20 Steam reviews are positive$1.99
Hidden gems like Alien Siege: Earth
Space Wars
Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter.
86% of 104 Steam reviews are positive$29.99
Polygon Attack
Break through unlimited waves of enemies and fight unpredictable bosses!
89% of 240 Steam reviews are positive$1.99
ESCHATOS
An alien menace has descended on Earth! Defend the world from UFO invasion in this superb arcade shooter from Qute.
95% of 290 Steam reviews are positive$14.99
Alien Attack
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens.
82% of 182 Steam reviews are positive$1.99
It came from space and ate our brains
It came from space and ate our brains is a unique Arcade top-down shooter.
79% of 168 Steam reviews are positive$9.99
Titan Attacks!
As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar…
92% of 656 Steam reviews are positive$5.29
Alien Crusader
Alien Crusader is an action packed, vertical scrolling, space shooter game, similar to classic coin-up arcade and shoot'em up games.
63% of 104 Steam reviews are positiveFree
Generic Space Shooter
Welcome to an epic world of endless carnage, where you battle alien foes at lightning fast speeds, and engage in mind meltingly epic boss battles.
74% of 34 Steam reviews are positive$2.99
Protect the Earth
You are the best pilot in the space force and the earth needs you to protect itself from an alien attack.
100% of 4 Steam reviews are positive$1.59
Space Defense
You and your space troop have a tough mission to defend Earth from an alien invasion in this epic space war.
0% of 1 Steam reviews are positive$0.99
Defend Earth: Xenos Survivors
You are Earth's last line of defense in a relentless alien invasion.
79% of 47 Steam reviews are positive$4.99
Earth Attack
Tragedy strikes as aliens attack Earth. You're left alone to pilot the last remaining spacecraft on its way back to Earth from Mars Colony.
97% of 33 Steam reviews are positive$2.99
Newest games like Alien Siege: Earth
Increvaders
A short and chill incremental shooter where you destroy waves of thousands of aliens.
95% of 22 Steam reviews are positive$2.99
Beyond Solar
Blast through intense pixel-art bullet hell battles in Beyond Solar!
89% of 18 Steam reviews are positive$9.99
Attack from Izar 2250
Alien attackers from the Izar system are invading Earth! Battle the extraterrestrial menace in endless waves in this tribute to classic alien…
100% of 2 Steam reviews are positive$0.49
EXODUS
Defend Earth from the waves of alien invaders in this action-packed top-down shooter!
86% of 7 Steam reviews are positiveFree
VILOVEJETS
The aliens have decided that Earth is an ideal target for an attack. Now, as the commander of a spaceship, you have to defend your home planet!
100% of 11 Steam reviews are positive$9.99
Orbital Siege
Reclaim the arcade. This is a high-octane space shooter where vibrant pixel art meets relentless alien armadas.
100% of 4 Steam reviews are positive$2.99
Space Dragons
Choose your spaceship and defeat the alien threat that comes from the Moon.
83% of 36 Steam reviews are positive$6.99
Retro Space Shooter 8-Bit
Defend Earth in this fast-paced 8-bit arcade shooter. Survive waves of alien attacks, destroy the asteroid, and face the alien mothership.
100% of 6 Steam reviews are positiveFree
Galaxy Highways
An indie story-driven space shooter with intense battles, escalating enemy waves, and massive boss fights.
95% of 62 Steam reviews are positive$9.99
Gamma Zero
The earth is being attacked by creatures from deep space! Time to bring the fight back to them!
100% of 14 Steam reviews are positive$3.99
Intergalactic Defenders
Intergalactic Defenders is a retro pixel-art space shooter with roguelike progression.
100% of 8 Steam reviews are positive$3.99