Top similar games like Breach Protocol:

You are a Venox who invades planets to explore and mine for mech parts to merge with. You must repair and protect your ship from enemy waves while doing so. Venox is half alien and half mecha, but stronger than both!

"Deep Space Survivor: Endless Starfield" is a survivor-style game. Your interstellar battleship accidentally enters an unknown universe, fighting its way through endless enemies, roaming multiple star systems, and collecting meteor resources to forge your ultimate orbital weapon.

A survivor game with missions - not just survival. Rescue astronauts, repair reactors, and hack terminals - while surrounded by hundreds of enemies. Every run is a chaotic, ten-minute showdown.

Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.

Echoes of Elpis is a twin-stick shooter sci-fi roguelike. Upgrade weapons, discover new tech, and uncover a secret past as you battle through Elpis on an epic treasure hunt.

Swarmhunters is a top-down arena action shooter. The war between human and bugs has become worse - Project Swarmhunters emerged at this situation. You play as the best space soldiers in the galaxy and your mission is to strike the hive and hunt down the Emperor, supreme commander of bugs.

Blast your way through infinite hordes while completing objectives in this chaotic twin-stick looter shooter with frantic juicy combat. Upgrade gear, recruit heroes, tackle cumulative escalating challenges in your quest for the build of ultimate destruction.

A fast paced bullet heaven, control your Sci-fi spaceships with semi-newtonian physics. Last 7 minutes against the drone armada until their boss arrives and fight your way to freedom! Use planetary gravity and other hazards to dodge superior numbers. Collect and combine weapons for maximum firepower

Prologue version of the game Gatekeeper. Gatekeeper: Infinity is a fast-paced rogue-lite shooter where you'll search for the stolen Heart of the Universe and battle machine enemies! Play solo or join forces with friends in co-op mode.

The quantum world is on the edge of revolution, and only neutrinos can shift its fate. Mass-Eve is a fast-paced roguelike twin-stick shooter diving deep into the mysteries of modern physics. The future of the universe depends on your choices, are you ready to reshape it?

A 3D Sci-Fi space shooter game where you fight against big flagships and bases to unlock the secrets of the world.

Robot Arena Survivors is a single-player arena auto-shooter where you're fighting against waves of hostile robots using a powerful arsenal made of hover tank units. Customize your own set of abilities and dismantle your enemies to claim your fame into the leaderboards.

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!

GUNSWITCH is a top-down arena shooter: Mow through hordes of demonic aliens. Upgrade your weapons to fire thousands of bullets within seconds. Escape space prison with your robot squad. Switch your loadout on the spot to adapt and become a killing machine.

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.

Tankmageddon is a fast-paced roguelike tank game where you play as Ed, a pilot and mechanic on an Earth facing invasion. A ruthless A.I. has built a tank factory on the Moon and plans to wipe out humanity. Face hordes of enemy machines and use their parts to defeat them.

Sluggerpunk is a gripping 2D survivors roguelike adventure. As you navigate through a myriad of challenges, hone your skills and strategies to clash with formidable foes lurking in the underground. Build a versatile arsenal of abilities and gear to enhance your chances to survive, but will you?

Discover a short story where you will have to answer questions to overcome the challenges it presents. It is a mixture of bullet hell with hundreds of enemies and graphic adventure, where choices influence the plot.

Space Warden is top-down shooter in space where whole environment can be destroyed. Use lots of weapons which can burn, stun, damage, explode enemy ships, bases and terrain. Use turrets to defend your base and complete various missions.

Survive relentless alien swarms in a fast-paced sci-fi top-down shooter. Level up, build powerful upgrades, deploy tactical support tools, and push your limits in an intense, replayable survival experience.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's. Build an army of local townspeople in this chaotic semi-autobattler roguelike. Navigate through different biomes to obliterate the aliens from cosmic dimensions.

Rayna Survivors is an action roguelite game where you need to slay hordes of foes and face bosses to learn powerful skills to upgrade your character.

Blast through robotic hordes in this arena auto-battler rogue-lite Brotato-like. Use auto-firing weapons and drones, timely dashes and special abilities to reach the Void where a final Conservator awaits convergence. Spend your Cogs wisely within the varied shops to create unique builds!

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Survive thousands of monsters in X-Mutation, a hardcore 3D top-down rogue-lite action game. Mutate your body into diverse weapons, choose from hundreds of mutations, and uniquely upgrade to craft your personal combat style!

Fight off hordes of enemies, slay Bosses, choose from a variety of upgrades and combine your spells to create unique and game-breaking builds In this auto-attacking roguelite.

Boomcestors is a top-down arena shooter game with rogue-lite elements, where players command a squad of up to six soldiers, battling various enemies in the medieval era using modern weaponry, artillery, and air support.

Stickman's Arena is a top-down arena shooter roguelite where you play a stickman wielding up to 6 weapons at a time to fight off hordes of enemies. Choose from a variety of upgrades and combine your weapons to create unique and game-breaking builds.

Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.

Harness the power of Greek Gods in this intense vertical rogue-like shooter. Command divine Mechas, brew sacred potions, and unlock permanent upgrades at Hephaestos’ Forge. Battle mythical hordes and challenge the Titans in a fast-paced quest for eternal glory!

Invent your own weapons in this sci-fi Roguelike shooter! Combine any weapon with any upgrade to customize your arsenal. Form a squad of holographic soldiers, redesign their guns too, and slay hordes of cybernetic enemies!

Mighty Mage is a top-down arena shooter rogue-lite where you play a cute mage wielding up to 5 elemental spells at a time to fight off hordes of enemies. Choose from a variety of upgrades and spells to create unique builds.

Saucers is a rogue-lite top-down twin-stick arena style shooter featuring extensive weaponry and upgrade paths so that every run is unique. The further you get, the more weaponry you can stack up to devastating effect. THIS GAME REQUIRES A TWIN STICK GAME CONTROLLER TO PLAY.

Frontline Frenzy is a fast-paced top-down WW2 roguelite arena shooter where you fight endlessly growing hordes of enemy soldiers in wave-based arenas. Pick your class, level your character and survive the frontline as the battlefield turns into pure chaos.

Enter the chaotic world of Exo Helljumper: Descent X, filled with mutated foes and lurking dangers. Combine items and strategy to conquer relentless levels. Face unique foes and formidable bosses, test your cunning and skills, and feel the thrill of battle as you push beyond your limits!