Top similar games like Starship Intruder:

Andromeda Wars is a retro styled space RTS. In Andromeda Wars you must gather power, build a fleet, build defences to defend your mothership, and try to survive the onslaught from the opposing factions. Each ship you add to your fleet gives you powers but also reduces your dwindling resources.

Neon Block is a hardcore cyberpunk multitasking challenge. Manage a fast-paced block puzzle with your left hand while hacking the Omega Core via a real-time terminal with your right. Solve the equation, counter system glitches, and prove that free will cannot be calculated.

Sci-fi RTS and Top-Down

Trade to make your fortune in this lo-fi, laid back space adventure, where you'll get help from anthropomorphic animals, gear up your ship, and search for the mythical key to immortality hidden in the depths of space.

Your desktop is the battlefield. Build and customise a fleet of 25 ships, command towering Capital Ships and unleash spectacular online space battles across your screen. Watch fighters clash, missiles hunt and hulls shatter as you challenge rival commanders on Steam.

Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!

2d pixel art, top down sci- fi space ship building, resource management simulation with some arcade, tower defense elements. You build spaceship, collect necessary resources and defend yourself against waves of enemies. Equip ship with: rockets, life support, electric system and weapons.

RootKit is a tactical hacking game set inside a corporate honeypot network. Track hostile hackers, infiltrate their systems, steal crypto and data, and eliminate them before they trace your connection.

Turn-based spaceship battles in a tense fight for survival

Clicky Keys is a tower defense game where your keyboard is the battlefield. Every key activates a weapon. Fight off enemies and make the right upgrade choices to survive. Can you reach day 20?

Guide the fate of a space colony from a bare command line. Keep the life support systems running on a station orbiting a now-dead Earth, dispatch colonists on missions down to the planet, read reports, and intercept signals to guide your decisions.

Cover humankind's retreat and make it count in a shmup without shooting. Bite-sized arcade action.

KNOW YOUR ENEMY. FIRE YOUR CANNONS. A spaceship management and combat game. As the Captain of Silver Wolf, command your crew and use your energy strategically. Change your future with your decisions. Arm your ship and strengthen its shields. Survive in the solar system full of dangers.

A short and entertaining typing game, where you need to type your way through space to find a way home. Upgrade your vessel and overcome enemy resistances with your linguistic arsenal. Hack away in this roguelite deep space typing bonanza.

Star Armada is a spaceship auto-battler where you assemble and command a fleet of capital ships and fighter squadrons. Unlock powerful new ships and outfit them with a range of turrets, energy shields, and starfighter hangars. Engage in automated battles, carefully timing unique abilities to win.

Vanquish the Kaiser's Imperial Fleet using timing, tactics and telegraphy in MORSE, a minimalist strategy game that teaches you the secret language of Morse code. Can you change the world with the push of a button?

SNAKE GAME ULTRA CORE is an arena shooter where you play as a snake with a shotgun, escaping from a laboratory and seeking revenge on your enemies.

A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.

Conquer the apocalypse using gritty dirt bikes and explosive ordnances in Born from the Soil, a blend of classic turn-based tactics, modern gameplay polish, and 16-bit retro charm.

Teach yourself something new with AToM - a morse code training toy from 1974 (patent pending). The device features 3 playable game modes: encode, decode and transcode. Learn morse code and aim for the high score.

Destroy humanity in this roles-reversed Asteroids game! This is a sci-fi strategy roguelite auto battler based on games like Super Auto Pets and Crops, where you launch asteroids at an human spaceship. Develop different synergies and builds with dozens of types of asteroids with unique abilities.

Fly a star-fighter against a bloodthirsty armada. Gather weapons, resources, and upgrades to help you push back the relentless assault while protecting the galaxies' civilians!

Master 360° physics-based vector drift in an open-space Survivors-like survival shooter. Build an arsenal of auto-firing weaponry, navigate treacherous asteroid fields, and overcharge broken power reactor networks to escape a corrupted alien AI in a collapsing universe.

Super Real Darwin is a fast-paced, vertical scrolling shoot-em-up that rewards skill and persistence – a cult classic for the retro shmup fan. Take control of a fighter ship capable of mutating into different shapes as it evolves while fighting off enemy invaders.

Master the difficult art of dodging bullets while blasting thruster flame in the face of your enemies. No guns, no upgrades, no level-ups. Just your reflexes against an endless bullet hell maze of death. How long will you survive?

Regain control of planet oasis and defeat your opponent! Build your base, monitor the economy, manage your resources, explore the Map, and plan attack and defense. Build 9 different buildings and 19 different units with various abilities and win the chaotic Robot Battles.

Architect autonomous battleships. Send them on a campaign against deadly opponents. Watch and cheer as they dominate, or cry as they explode. Obliterate dreadnoughts. Configure intelligences. Master weaponry. Free the Great Skies. THE OPPRESSOR MUST FALL.

Plan moves of your own and the moves of your foes. Unusual experimental button pressing combat game.

Project KILLDANCE is a Noir tactical action featuring a one-army strategy and instant-death combat. Slowly observe surroundings, choreograph each killing move, leave no survivor, and become the spectral death.

A pixel art roguelike deckbuilder battler on a 2D grid. Multiple biomes, randomly generated terrain, and a push-your luck system of battle modifiers keep battles feeling fresh. Characters, cards, stickers, relics, and more create many paths to victory. Join the community's fight to conquer the Grid!

We fused deck-building roguelikes and tower defenses in a way never seen before - deploy your towers, collect valuable trinkets and cast powerful spells to defend yourself against the Salkoth!

A turn-based 4X space strategy game in the tradition of Stars! (1995). Design your race and starships, settle everything from asteroid belts to black holes, face Star Trek inspired dilemmas, and conquer a random galaxy against AI empires.

Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?

CyberSky is a circular twin-stick shooter set in 1989, where a secret government agency uses a simulation grid to train top pilots for a possible alien invasion leading to the birth of A.I.

Top down 2D snes-core zone control roguelike twin stick space shooter