Top similar games like Defect:

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.

You’ve been hired to make a delivery to planet Miridian V. The trip will be a dangerous yet lucrative journey full of mad robots and unpredictable stellar phenomenon. Name your crew, name your ship, manage your supplies, trade, battle, survive, and make your delivery!

Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!

Starship Inspector is a Space Roguelike in which every choice you make matters. Save a galaxy or rescue your crew member? Serve an evil empire or help an ancient tribe? You'll constantly have to make hard decisions and deal with consequences.

The essence of the Heliconian is to manage a mixed crew of renegades aboard the starship Heliconian. Manage the crew member’s actions and the ship’s functions to survive as long as possible while exploring the star system in the hopes of earning upgrades and ultimately a safe haven.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

Destination Unknown is a fast-paced single-player spaceship shooter with exploration in space galaxies, RPG elements, mini-games, mining, and crafting. Experience an adventure through a randomly generated universe filled with an exciting sci-fi story full of secrets, quests, and more.

Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!

Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.

Geometry Defense: Infinite is a classic infinite tower defense game where you must build a maze to slow enemies and build towers to destroy them. An action-packed and engaging game requiring focus to take on challenges and test your skill.

Spaceships, lasers, and… chickens! What more could you ask for?Conflicks: Revolutionary Space Battles is a creative new take on space-themed videogames that merges the deep, thoughtful gameplay of strategy games with the intuitive accessibility of physics-based games.

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.

Blast through enemies, build defenses, launch fighters, and upgrade your way to victory in this fast-paced space shooter/action RTS hybrid.

Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!

Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.

Space Monkeys is a solo-developed, fast-paced action game where you must unleash your inner ape to face 12 unique levels in space. Use skill and strategy to dodge lasers, evade enemies, and collect bananas in zero-gravity on your journey to escape a retro-styled evil space station.

Former Future is a strategic top-down 2D shooter where you face an invading alien threat on the frontier world of Saturn and its neighboring moons.

Navigate the beauty and hazards of the solar system while riding a wave of light through 100+ levels in this innovative action-puzzle game!

A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

Planetstar Warrior is a horizontal scroll-space shooter with numerous powerups and a gradually increasing level of difficulty. Defeat all enemies on each level to progress.

Infinity Wings - Scout & Grunt Take control of your chosen fighter (either Scout or Grunt) in this side scrolling shooter.

Crystal Cosmos is a side scrolling color-based space shooter. You need to match your ship's color to your enemies color in order to destroy them.

Halfway is a turn-based strategy RPG taking place a few hundred years into the future. Humanity has started colonising new worlds. Until now, they were alone ...

Fight in space or on the planets, or just travel the universe. Visit cities and buildings, mine resources, trade with or speak to individuals on the planets. Explore and discover. Buy a new ship, fit upgrades, and hire a whole army of crew!

Pulse Scatter is a Roguelite, TD-like and Survivors-like space combat game, you need to build a ring-shaped fortress with various components and rotate it to shoot in all directions to defend yourself against the onslaught of enemies.

Build a battleship and fight through unforgiving space to save your people. Make strategic decisions, guide your people, meet allies and foes, and battle for your right for a home. The tale of a lone spaceship on a centuries-long mission from Voidship: The Long Journey greatly enhanced and updated!

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game for FREE now! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS!

Entangled is a physics puzzle game revolving around grappling gun mechanics. You are immersed in a colorful environment while being entranced by a relaxing space ambient soundtrack. It is challenging, but extremely rewarding.

In the game,you can assist your allies in occupying and protecting resource-rich strongholds to strengthen their technology and develop more powerful weapons,attack other camps,prevent friendly strongholds from being invaded,assist your camps in developing technology. Strengthen your own technology.