Top similar games like AstroWars:

Crash-landed on an alien world after your station is overrun, survive ten escalating nights until rescue arrives. Dash through the swarm, collect alien data and material, build new weapons, and take down deadly Bounties in a fast-paced sci-fi bullet heaven.

Survive Planet Yubglub is a survival rouge-lite, where Earth Representatives must hurl dodgeballs while evading toxic slime aliens and their lethal projectiles. The Earth Reps. must carefully navigate through the harsh environment of planet Yubglub. Choose your character, and Survive Planet Yubglub!

2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

It’s time to cluck around and find out. Gear up and pull on the helmets of the Battle Roosters, a hotshot space brigade of poultry with panache. In this quirky, roguelike, bullet hell adventure you’ll combine weapons, upgrades and killer strategies to recover space’s best taco ingredients. Bwark!

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

A fast-paced sci-fi space survival shooter where you blast through relentless enemies, upgrade your ship, and climb the global leader-board.

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.

Darkship Echoes is a tense, atmospheric sci-fi top-down shooter where you pilot a remote drone through a dark, derelict space station, using radar to scan for threats, fight rogue machines, and scavenge supplies to survive.

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

Brutal twin stick shooter with fun and clever enemies. Also has roguelite and Sci-Fi stuff.

Upgrade your combat robot, survive endless enemy waves, discover powerful weapon synergies, and free different planets from evil clones in this fast-paced survivor-like action game.

In this 2.5D top-down shooter you command a damaged battle spaceship. Survive the waves of hostile enemies, upgrade your ship, discover hidden places and get your crew home.

A fast-paced roguelike space shooter where every credit counts. Fight through dangerous sectors, upgrade your ship mid-battle, and convert your earnings into permanent power. Because when you die, you keep what matters.

Dwarf Star: 16 bit inspired game where mercenary go shoot shoot on evil alien guys who were accidentally fabricated by the government. Top down space shooter with a mission based structure. However, you can do these missions in plenty of different orders with different amounts of upgrades.

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Kulta is a Top-Down Arena Shooter where you fight off endless swarms of enemy star-fighters. Fight and evade plasma fire! Earn merits to unlock new planets and ships. Survive and escape before you lose it all! Discover unique ships and test out their devastating weapons.

Retro pixel-art top-down space shooter. Battle waves of alien invaders across world landmarks, upgrade your ship, collect power-ups, tackle events & missions, defeat epic bosses, and chase high scores.

Space fight arena is a retro arcade based arena shooter game that was modeled after legendary arcade games. This game retains the fun, addicting aspects of those arcade games while also adding on new, awesome features such as challenges, skins, and a world wide leaderboard.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

A free-to-play sci-fi action roguelike game set in an alien world where the sun never shines. Explore the world as a ‘Planet Adventurer’. Fight hostile creatures, gather ore, and interact with the local community in your downtime. Upgrade your gear with resources earned during your expeditions.

Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of bullets.

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Repel the humans! Safeguard the future of all alienkind! Fueled by a large selection of quirky upgrades and power-ups, strengthen the alien alliance to destroy Humanity's Last Hope in this fast-paced retro action-arcade shooter with roguelite and tower defense elements.

TV Boy is an action packed top-down shooter. Blast waves of weird and whacky enemies with even weirder weapons to rescue the captured citizens of TV Topia and restore peace to the galaxy!

In this unique top-down shooter, originally released in 1987, take on the role of the plucky little Biopton Nimrod, sent on a dangerous mission to rescue his friends from the 'Matrix' prison planets of the Cratons. Contains both the Amstrad CPC and ZX Spectrum versions of the game.

In Astrum Vanguard, a 2D horde-survival with bullet hell components, you pilot and upgrade your spaceship to defeat countless alien creatures. Survive the endless onslaught in the cosmic battlefield!

Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!

Defend Terra against the onslaught of hostile invaders in this 2D top-down space shooter. Upgrade and empower your ship's different systems to stand a chance against the growing threat. If you fall, Terra falls, and the rest of the galaxy will soon follow.

Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

Are you ready to command a range of different units as they battle aliens in a mission-based take on the classic Snake? Select your path to victory!

Alpha One is a top-down action, 4X-lite strategy game. Each action level is a turn in a strategic conflict as you race to collect resources, acquire upgrades, expand territory and build defenses. All to find a way home!

Fly around, mine resources, expand your ship, build weapons and fight off aliens!