Games like Defender II

Arcade shooter where you protect humans from being captured by aliens. Created by Eugene Jarvis and Larry DeMar, it is a sequel to Defender which was released earlier in the year. Some home ports of Stargate were renamed to Defender II for legal reasons. If you enjoyed this game, see our list of games similar to Stargate.

Return to Sector 9 is BACK! The freeware classic that you might remember from 13+ years ago is back and better than ever! R2S9 is sort of a twin stick shooter but so much more.  Spread across a campaign mode and 8 unlockable mini games, take on a variety of missions from bug hunts, protection detail, desperate last stands and defusing doomballs, whatever they are.   Features Updated graphics and g… If you enjoyed this game, see our list of games similar to Return to Sector 9.

Prepare for one of the most action packed-shooters in PC gaming history! Every level is full of enemies and targets for you to destroy! You will become a soldier of the alien species and protect your home world from the forces of the Human armada. If you enjoyed this game, see our list of games similar to Incoming Forces.

71%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:graphics, grinding

88% User Score Based on 32 reviews

U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race? If you enjoyed this game, see our list of games similar to U.F.O: Unfortunately Fortunate Organisms.

86%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, grinding

87% User Score Based on 335 reviews

Critic Score 81%Based on 2 reviews

Due to a sudden shortage of milk, cats around the world are forced to seek out new sources to get their fix. You and your team of milk mining kittens have overcome a fear of water to drill down under the ocean seabed and begin extracting vast reserves of what seems to be naturally forming full-fat milk. Get ready for fast paced submarine action, defending the kittens from disruptive mechanical sea… If you enjoyed this game, see our list of games similar to Aqua Kitty: Milk Mine Defender.

65%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, grinding

65% User Score Based on 161 reviews

Alien Hallway is a totally new action- strategy shooting game for the PC developed by Alien Shooter series makers, Sigma Team company. Here, in Sigma's adrenaline-fueled game, players measure stamina with a never-ending stream of green creatures within the borders of a special military mission. The rules are severe and the fate of Humanity is put on the line. If you enjoyed this game, see our list of games similar to Alien Hallway.

70%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story

87% User Score Based on 30 reviews

Critic Score 75%Based on 4 reviews

The definitive 'Turbo Edition' of the easy to play hard to master space blaster. Bringing more game modes, ships, challenges, upgradable power-ups and frantic retro space blasting fun than ever before. Alone or in co-op you’ll keep coming back to unlock ships, upgrade weapons and beat your high-score. If you enjoyed this game, see our list of games similar to Super Mega Space Blaster Special Turbo.

38%Game Brain Score

Most mentioned positive aspects:graphics, atmosphere

Most mentioned negative aspects:gameplay, music

64% User Score Based on 11 reviews

Protect the ark of humanity by building the ultimate defense from scraps of your enemies. Challenge other players in this tough fast-paced Action Tower Defense game with TONS of bullets and enemies on screen. If you enjoyed this game, see our list of games similar to ARDEiN.FALL.

67%Game Brain Score

Most mentioned positive aspects:replayability

Most mentioned negative aspects:graphics, gameplay

86% User Score Based on 29 reviews

U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race? If you enjoyed this game, see our list of games similar to UFO - Unfortunately Fortunate Organisms.

96%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:gameplay

100% User Score Based on 52 reviews

Critic Score 84%Based on 2 reviews

Galacticon is a video game with the look and feel of early 1980s arcade machines, in the style of Williams classics such as Defender and Joust, with the gameplay of the legendary Jetpac, and with puzzle elements If you enjoyed this game, see our list of games similar to Galacticon.

Defendguin is an arcade game developed by Bill Kendrick. Released in 1999 for Linux and later 2002 for Windows. It is a game based on the arcade game Defender with featuring the Linux Mascot Tux. The game is almost an exact copy of Defender with the only differences being that there is an optional boss and an ending sequence. It has been ported to other systems by the open source & linux community… If you enjoyed this game, see our list of games similar to Defendguin.

Galaxy Defender Elite 3D space shooter is a an arcade style 3D game. If you are a big fan of space arcade games and fighting alien swarms then Galaxy Defender is the perfect game for you. A classic game with a new setting: Galaxy Defender Elite 3D sets you on fire with intense space combat. You will face a lot of evil enemies and deal with many unique bosses in Galaxy Defender Elite 3D. Will you b… If you enjoyed this game, see our list of games similar to Galaxy Defender Elite 3D.

Charming retro action arcade shooter with roguelite elements (and a pet space worm!).     The dastardly humans have achieved interstellar spaceflight once more and are spreading throughout the galaxy like a virus. The call has gone out: it is time to send them back to the Stone Age once again, for the good of all alienkind. Regrettably, the council has ignored the human threat and left the … If you enjoyed this game, see our list of games similar to Space Force Bargain Bin.

Towerful Guardians is an action roguelike where you pilot your flying machine, be it a helicopter, a mech, or a straight magical suit to defend a very important tower to mankind in a post-apocalyptic setting. Wisely upgrade your gears, and build strong synergy with the tower's abilities to out-scale the evergrowing enemy power. Towerful Guardians has many settings you can choose pre-run, and tons… If you enjoyed this game, see our list of games similar to Towerful Guardians.

Defend Zytherion in frantic battles against alien hordes! In Astro Defender, pilot the legendary Zenith-01 and face a galactic threat in a fast-paced action-platformer. Will you be the galaxy's last hope? If you enjoyed this game, see our list of games similar to Astro Defender.

Battle Halls — this is a tactical action game in the style of plastic toys, where you control a hero and can create a squad from available units that will help you in battles for map locations. The map itself is similar to a board game where players roll their dice, but it is not a turn-based game, each player makes his own whenever he wants. Game Features:⚔️ Battles for locations against pla… If you enjoyed this game, see our list of games similar to Battle Halls.

A solo indie-developed pixelated 2D arcade space shoot-'em-up that captures the nostalgia and high-octane fun of beloved 80s and 90s arcade experiences. If you enjoyed this game, see our list of games similar to Orbital Siege.

GORESTAR, the living planet, is on a direct course for Earth. It's time to debut our secret weapon duo: Ace pilot Jon Starbuckle, and his prototype starfighter, Gar-Type D. Your mission: save humanity! Defend the Earth from the alien invaders! If you enjoyed this game, see our list of games similar to Gar-Type.

Humanity is turning its gaze towards space in the near future. A brand-new era has begun - the era of space exploration. When the planets of our solar system were settled, it was time to explore and colonize other worlds and star systems. A once-impossible dream became a reality. As science has reached unprecedented heights, people across the globe have become more united, forgetting about age-old… If you enjoyed this game, see our list of games similar to One Way Road.

An Epic Space AdventureFree Stars: Children of Infinity is an action-adventure game inspired by the golden age of science fiction, defined by its hopeful future, wondrous technology, and a grandiose galaxy filled with eclectic stories. You are the captain of a mission to the farthest reaches of space, where you'll discover thousands of exotic worlds and dozens of alien denizens. Some are friendl… If you enjoyed this game, see our list of games similar to Free Stars: Children of Infinity.

"Quadron is an original arcade style game for the 48K ZX Spectrum created in the mould of the 1980s Williams classics. Set in the Quadron complex, you are charged with the task of defending the crystals mined by the relentless onset of marauding aliens. Featuring fast arcade style gameplay, multiple weapons, enemies, collectables, powerups, and a pointer based status screen and scanner, the … If you enjoyed this game, see our list of games similar to Quadron.

Defender is an arcade video game developed released by Williams Electronics in 1980. A shooting game featuring two-dimensional (2D) graphics, the game is set on a fictional planet where the player must defeat waves of invading aliens while protecting astronauts. Development was led by Eugene Jarvis, a pinball programmer at Williams; Defender was Jarvis's first video game project, and drew inspirat… If you enjoyed this game, see our list of games similar to Defender.

Get ready for a trip down memory lane! Back to the Golden Era of Arcade Games, the 80's!PathoBLASTA is a Static Screen Vertical Shoot 'Em Up Arcade Style game with incredible and unique Graphics & Sound. The game even has an option to add Scanlines for that authentic 80's Retro Arcade look. Shoot down endless waves of Spores, Amoebas, Drone Arrays, Viruses of different types and sizes, Micro … If you enjoyed this game, see our list of games similar to PathoBLASTA RK.

-About the game- Invaders from Uranus is a a Retro First Person Shooter inspired by the "Halo" series where you must fight against  little evil pink aliens to protect Earth!  In the not too distant future, aliens invade earth. The evil aliens are set on one thing, the destruction of mankind. You, and your squad of highly trained soldiers, must defend Earth at all costs. Equip an assault rifle, h… If you enjoyed this game, see our list of games similar to Invaders from Uranus!.

The aliens have decided to steal the Earth's most precious artifacts: your backyard junk. Defend your backyard with fireworks! If you enjoyed this game, see our list of games similar to Aliens In The Yard.

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!! If you enjoyed this game, see our list of games similar to Cake Invaders.

Earth: 9000 a new indie Bullet Hell, Twin Stick, Rogue-Lite mashup. You command Earth and all her defenses. Your mission; stop a never ending onslaught of alien invaders and try to keep your mind intact while your senses are brutally overwhelmed. Unlock dozens of weapons and even more upgrades as you gain research from defeating enemies and special events. You will be defeated, but that isn't the … If you enjoyed this game, see our list of games similar to Earth: 9000.

In the distant future our planet will be threatened by both aliens and asteroids. Humanity has already been evacuated and is trying to prevent the total destruction of the planet via remote-controlled spaceships. After months of conflict only your spaceship is left. The hope of mankind rests on your abilities... World.Save() is a science fiction, top down, arcade game, where you have to take care… If you enjoyed this game, see our list of games similar to World.Save().

-About the game- INVADERS  is a game where you must fight against  little evil pink aliens to protect Earth!  In the not too distant future, aliens invade earth. The evil aliens are set on one thing, the destruction of mankind. You, and your squad of highly trained soldiers, must defend Earth at all costs. Equip an assault rifle, heavy pistol, sniper rifle, shotgun, rocket launcher, or even capt… If you enjoyed this game, see our list of games similar to INVADERS.

Xenon is a 1988 vertical scrolling shooter computer game, developed by The Bitmap Brothers and published by Melbourne House which was then owned by Mastertronic. Xenon was followed in 1989 by Xenon 2: Megablast. The player assumes the role of Darrian, a future space pilot called into action by a mayday report from his superior on a nebula space station. As of late, the colonies of mankind have be… If you enjoyed this game, see our list of games similar to Xenon.

Starsiege takes place in the 29th century, portraying the conflict between humanity and the artificially intelligent Cybrid war machines. Played out in various locations throughout the solar system, the story examines both civil unrest in the colonies and an all-or-nothing genocidal invasion by the machines. Bipedal mecha known as HERCs are the mainstay of ground-based combat, and the focus of gam… If you enjoyed this game, see our list of games similar to Starsiege.

You are humanity's last defense against a brutal unknown alien attacker.  One year ago, scientists on Earth picked up a strange signal originating from deep within the Kuiper Belt. The initial excitement that came with the discovery that we are not alone, however, was soon quelled when radar systems stationed in orbit of Pluto observed a large mass heading towards Titan. The humble colonies of Sat… If you enjoyed this game, see our list of games similar to BATTLE FOR SOL.

91%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, monetization

94% User Score Based on 744 reviews

Critic Score 75%Based on 1 reviews

Lock and load into the Starship Troopers universe and join the Mobile Infantry in the most realistic depiction of war ever made! Experience an original story in this action-packed, first-person retro shooter. Would you like to know more? If you enjoyed this game, see our list of games similar to Starship Troopers: Ultimate Bug War!.

Space Bross is a thrilling blend of action 2.5D roguelite, and Tower Defense genres. You’re a retired astronaut. You had one job: chill. But then they came for your chicken. Now it’s personal. Set off on a chaotic journey across deep space in Space Bross, a roguelite tower defense action game where survival means lasers, loot, and a whole lot of clucking vengeance. Explore dangerous, ev… If you enjoyed this game, see our list of games similar to Space Bross.

The year is 2670, humanity has begun its outward colonial expansion into the stars, the HEC (Human-Earth Coalition) began setting up colonies on the Moon, Venus and Mars. upon expanding out into the Exo-Planets they began scouting Jupiter's moon of IO, where they discovered strange readings. This would lead them to discovering another space faring race known as the Pilakarr, a humanoid species tha… If you enjoyed this game, see our list of games similar to Solar Defense.

In deep-sea action-adventure game Pakicetus Redux, take command of the escort submarine Salvation as it travels along with your mother ship to undertake missions along a seafloor rift valley. Balance resource collection, upgrades, and the fate of human civilization as you battle an emerging enemy bent on stopping your search for a new home. Three hundred years ago, the wanton disregard for t… If you enjoyed this game, see our list of games similar to Pakicetus Redux.

In the distant future, humanity scours alien worlds for valuable resources to fuel the ceaseless tide of human expansion. On their quest, they encounter a machine-race powered by a sentient artificial intelligence that spans the galaxy & competes with humanity for control across the stars. Commander, you are tasked with meeting this challenge & securing dominance for our people. Your missi… If you enjoyed this game, see our list of games similar to Ad Astra: Sci-Fi Tower Defense.

58%Game Brain Score

Most mentioned positive aspects:story

Most mentioned negative aspects:gameplay, graphics

88% User Score Based on 17 reviews

THIS IS A SHOOT 'EM UP, NOT A DODGE 'EM UP This game is about shooting swarms of enemies before they can reach your mothership. This is not a bullet hell where you need to dodge hails of bullets and patterns. Don't get complacent though, enemies will return fire. A well placed shot could ruin your timing and let that pesky missile drone through. ROGUELIKEY RUNS Damage to the mothership is… If you enjoyed this game, see our list of games similar to Technocide.

35%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

60% User Score Based on 10 reviews

The Martians are coming and it’s up to you (and your friends) to stop them! Battle a horde of loony Martian invaders in this on-rail shooter game. Packed with non-stop action, players will use a range of powerful weapons against a gang of colorful and comical enemy invaders. Collect powerups and rescue helpless civilians to get high scores and earn achievements. INCLUDES Online Leaderboards Visi… If you enjoyed this game, see our list of games similar to Martian Panic.

77%Game Brain Score

Most mentioned positive aspects:music, story

Most mentioned negative aspects:gameplay, grinding

79% User Score Based on 52 reviews

Critic Score 75%Based on 8 reviews

AQUA KITTY UDX blasts onto Nintendo Switch in this enhanced Ultra Edition including an all new epic Dreadnought mode! You and your team of milk mining kittens have overcome a fear of water to drill down under the ocean seabed and begin extracting vast reserves of what seems to be naturally forming full-fat milk. Get ready for fast paced submarine action, defending the kittens from disruptive mecha… If you enjoyed this game, see our list of games similar to AQUA KITTY UDX.

79%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

81% User Score Based on 72 reviews

Critic Score 75%Based on 4 reviews

An intense, arcade-style, 'bullet hell' SHMUP/STG in which you must master a vast array of ridiculous weaponry in order to defeat a race of evil aliens who are intent on abducting innocent civilians and turning them into mutants. Jetboard Joust blends the spirit and intensity of 1980s arcade coin-op SMHUPs with the replayability and tactical elements of hardcore modern roguelikes. Don't expect a s… If you enjoyed this game, see our list of games similar to Jetboard Joust.

73%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, music

96% User Score Based on 27 reviews

Critic Score 74%Based on 4 reviews

Research and Destroy is a turn-based action game with simultaneous local or online co-op. Take control of three brilliant scientists as you research and develop strange new weapons and gadgets to destroy the Supernatural hordes that have all but crushed humanity! If you enjoyed this game, see our list of games similar to RESEARCH and DESTROY.

97%Game Brain Score

Most mentioned positive aspects:story, humor

Most mentioned negative aspects:music, stability

97% User Score Based on 52 reviews

Vicious predators from the far ends of the universe are invading our planet! They’re mean and wicked, creating havoc everywhere they go! Time for the aptly named “Alien Busters” to take control, get nasty and kick some serious martian butt! If you enjoyed this game, see our list of games similar to Alien Storm.

84%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

84% User Score Based on 474 reviews

Gun Metal is a futuristic action-packed experience where you take control of the fully transformable prototype combat vehicle known as the Havoc Suit. The Havoc Suit, a prototype combat vehicle, remains the only hope to save civilization from a tireless enemy. Standing 10 meters tall, with an arsenal of devastating weaponry and the ability to transform instantly into an agile jet, only this formi… If you enjoyed this game, see our list of games similar to Gun Metal.

54%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, music

52% User Score Based on 159 reviews

Critic Score 60%Based on 1 reviews

Prepare for one of the most action packed-shooters in PC gaming history! Every level is full of enemies and targets for you to destroy! You will become a soldier of the alien species and protect your home world from the forces of the Human armada. If you enjoyed this game, see our list of games similar to Incoming Forces.

94%Game Brain Score

Most mentioned positive aspects:story, humor

Most mentioned negative aspects:gameplay, music

94% User Score Based on 62 reviews

The planet Sierra is being attacked by Scarlet, a terrorist group lead by a vicious creature named Xi-Tiger who is plotting to destroy the human race. With vengeance, our hero Epsilon-Eagle will fight against Xi-Tiger as well as the terrorist organization that he formerly led. If you enjoyed this game, see our list of games similar to Alien Soldier.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

100% User Score Based on 36 reviews

Pentasma is a side-scrolling arcade shooter inspired by Williams Electronics' 1981 classic 'Defender'. Protect The terraforming Humanoids from the deadly Aliens and raid the Alien planets to keep the galaxy peaceful! If you enjoyed this game, see our list of games similar to Pentasma.

87%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

92% User Score Based on 763 reviews

Critic Score 72%Based on 2 reviews

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 If you enjoyed this game, see our list of games similar to Titan Attacks!.

61%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:gameplay, story

94% User Score Based on 16 reviews

Lil Tanks is an action-packed, side-scrolling shooter that puts you in control of a prototype tank -- defending humanity from the alien scourge known as The Cuur. As Earth's last hope, you must upgrade your tank with unique power-ups and blast the aliens back to where they came from! Level up by destroying The Cuur and earn powerful permanent upgrades. Unlock multiple tanks by completing objective… If you enjoyed this game, see our list of games similar to Lil Tanks.

48%Game Brain Score

Most mentioned positive aspects:story, optimization

Most mentioned negative aspects:graphics, gameplay

57% User Score Based on 35 reviews

Earth is under siege! A mysterious and powerful alien race has come to enslave the entire galaxy, and your fleet is humanity's last hope. You must put an end to the attacks and rebuild a home for the survivors. With the invaders in hot pursuit, and the dangers of the unexplored at every turn, do you have what it takes to forge a new galaxy? If you enjoyed this game, see our list of games similar to ProtoGalaxy.