Top similar games like C6: Frontlines:

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.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

PhaigeX is a fast-paced "Bullet Heaven" space shooter, tasking the player to explore space sectors and contain a rising incursion of rogue AI-controlled units. Pilot a variety of ships, call in the support craft, and use a myriad of upgrades to lay down heavy firepower towards the enemy forces.

Dimension hop to freedom across hostile planets. Blast, slash, and laser alien hordes while crafting powerful synergies by combining unlockable skills with infinitely stacking items and perks. Become unstoppable in this action roguelike—and confront the Entity beyond the Rift.

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

Neon Fighter is a tiny arcade game packed with lasers and explosions, in which every few seconds you are forced to switch weapons automatically, making you have to adapt quickly to the new situation and re-evaluate your perspective.

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?

Escape the Maze of Malice in this frantic 2D top-down shooter!

"You're Invading My Space" is a fast paced, space themed, wave survival game where every run is unique. Fight off endless procedurally generated enemy swarms, upgrade and unlock your ships and weapons, and push your limits as this angry galaxy throws everything it has at you.

Enter the cockpit of your spaceship and prevent the destruction of our homeland! You and your friends have to dodge various attacks and fight many enemies. But your Twitch chat can support you in your defense and your subscribers can even accompany you as wingmen!

Can you survive the Empire's onslaught? Avoid the attacking enemies and upgrade your ship to last long enough to escape in this space survivorslike.

Chamberflame is an permadeath roguelike synergy shooter. Wake up with no memory, only to discover there is no easy escape. The only clue is a gateway that teleports you across monster infested lands.

Survive as long as you can in an endless bullet hell with randomized stats and weapons.

Spaced Liberation is a very small indie game about the liberation of a planet.

Repel extraterrestrial entities!

Defend Modulea! Dodge bullet hell, combine modules, and fight off waves of enemies with your custom-built space battleship in this roguelike action shooter!

Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

Introducing a hysterical top-down shooter. Challenge your way through 7+ randomized levels, brimming with hordes of bizarre monsters. Upgrade your character through a selection of 30 unique powerups and minions, unlock special classes and much much more. Monsteria is chaotic fun for everyone.

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.

Tear across the desert, obliterating wave after wave with your nuclear missile powered dual-wielding hover tank. A tight, punchy wave survival sandbox with ludicrous weaponry, exhilarating rocket-tank combat, and daily leaderboards!

Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.

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.

NANOVOID is a 2D tactical space shooter that puts you in command of your own modular spaceship. Engage in intense, physics-driven battles, strategize with ship customization, and outsmart your enemies

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

Spent Shells is a high score top-down shooter with roguelike-y randomized elements. Players dive in to an everchanging dungeon to harvest a crystalized power source that will get them home. Fight through the dungeon using a variety of weapons, characters, upgrades, and your own skill! Each run ea...

Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

Crush, smash, and eat thousands of enemies showing humanity what the meaning of destruction is! Kaiju Catastrophe is an arcade game with roguelite mechanics. Mutate devastating weapons, unlock permanent evolutions, and wreak havoc with a variety of monsters to tear humanity apart!

Go back and forth in a hail of bullets , use all kinds of weapons to take down your enemies.

Prove yourself and earn your wings in the Exphelius Championships - a reckless bloodsport of vehicular mayhem across the galaxy Exphelius. Win matches across multiple game modes to earn cash and new parts, upgrade your ships or buy new ones, and claim your way to the top.

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.

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!

Pilot an agile star fighter to tear down alien megastructures under fire, then pull off a high-stakes heist from within before everything explodes. When you die time rewinds, sending you back to Moonbase Alpha—your hub for reinvention. Spend your bounty on explosive upgrades, ready for the next run.

Hyperwired is a classic top-down action shooter, where your spaceship has a plug hanging from it. Wire yourself into sockets, gather upgrades, and unlock ships as you explore a procedurally generated galaxy with roguelike elements.

Blast through waves of alien enemies in Project AionIX! Master your piloting skills, dodge, and survive in this fast-paced space shooter!

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!

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?