Top similar games like Guns of Gaia:

Bubble Survivor is a hack-and-slash game that combines Roguelike elements with team-based gameplay. You will summon like-minded heroes to conquer challenges and defeat the malevolent slimes, restoring light to the world!

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.

A tactical defense game where you build the battlefield itself. Lure enemies through your maze using traps, towers, and godly powers.

Meow! This is a cat-themed Survivor-like game where you control an adorable Supercat! Battle monsters to level up, collect items, upgrade weapons, and experiment with strategic builds to fight off invading creatures threatening Meow Star.

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Dive into a nightmare-ridden world in this fast-paced roguelite! Choose from 42 characters, 84 weapons, and 176 items to forge your own build. Battle through 8 maps, slay hordes of monsters, level up, collect gold, and upgrade. Can you survive the endless nightmare?

Outlast the onslaught in a sci-fi survivors-like where your decisions matter as much as your firepower. Command customizable starships, enhance your arsenal with 100+ strategy-defining upgrades, and annihilate endless fleets of cosmic combatants! Carve your legacy among the stars and die trying!

Build your ship, escape the swarm, survive for as long as you can. When you are finally defeated, upgrade your technologies to survive longer next time. Escape from Zeta Aurigae is a sci-fi ship builder with rich meta progression.

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.

A fast-paced action roguelike where explosive combat fuels 'Blitz' ultimates—a rage mode that dominates the battlefield. Endure relentless battles, enhance your arsenal, and evolve powerful abilities. Each run opens new tactical possibilities in this intense arena shooter.

Galaxy Hordes is an Action-Roguelike where you fight off waves of aliens across various unique planets. As you level up choose skills and passives to create a different build every run. Survive until the time is up and return to your ship with recourses to unlock permanent upgrades.

Ophelia’s Paradise is a 2D roguelike with a top-down view where you defend paradise against invading shadows. Collect weapons and unique items to create powerful synergies. Each run offers new combinations, challenges, and ways to save paradise from darkness.

Configure the weaponry on your ship to blast away enemies as you navigate through swarms of bullets and space battles. Each ship has unique customization options and playstyles.

Loki’s Revenge is a survivors-like roguelite where you play as Norse gods fighting Loki’s army of monsters! Level up to gain powerful upgrades and explore hand-crafted maps to find secrets. Build the ultimate overpowered god with permanent upgrades and master each god’s signature ability.

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

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!

In this Tower Defense Survivor Game, the skill tree is on the ground of the battle map. Expand your base to capture more of the map and unlock more upgrades. Defend your position against thousands of enemies as they flow over the map.

Smol Survivors is a 2D reverse bullet-heck where smol blocks have become lost and need to find their friends and a way back home while fighting through hordes of enemies.

NOWGUN is a top-down, grid-based roguelite. Build your unique skill tree and see how long you can endure. Will your strategy carry you through, or will you fall to the relentless challenge ahead?

COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!

Ride giant turtles and aim your weapons at hordes of enemies chasing you while you gather as many resources as you can. Pick your upgrades carefully and create strong builds to survive the long road to the Outpost!

Battle increasingly deadly hordes in an action-packed survivors-like with tower defense elements. Create unique builds, unlock and place towers, upgrade your character, and fight to defend the Kingdom of Stellara.

Craft and upgrade the ultimate ship and survive an onslaught of enemies in this top down, rogue-lite shooter.

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

Battle against hordes of enemies, conquer Boss encounters, and explore various character and skill combinations in this time-based auto-attacking Roguelite in your quest to become stronger and defeat the most menacing of creatures that lay in wait at the end of each run.

Survive the all-consuming darkness! Against Twilight is a casual game where your choices can make you stronger to finish off thousands of creatures that appear in the twilight.

Meow Legion is a game about assembling an army of cats to defend against waves of enemies.A top-down roguelite shooter game where you hire cats and level them up to fight mice from the evil Mousy Empire!

A casual rogue-lite shooter where you can buy upgrades to improve your run and defeat waves of enemies. Shoot tons of bullets and create different builds while trying to be as accurate as you can to get the best rewards!

Tankron is a top-down wave survival roguelike in which you fight an ever-increasing amount and variety of enemies. Choose from a variety of upgrades to stand a chance. Discover and choose between different tank specializations to enhance your Build.

S.R.A Project is a challenging roguelike bullet hell wave survival game. Face cosmic creatures, improve through skill and perseverance, and master a world that rewards learning and adaptation.

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!

Spectral Realm is a top-down tower defense Rogue game, where players need to play the role of an astronaut who has just landed on a different planet to block a constant stream of attacking native creatures and continuously strengthen themselves with the gems contained within their bodies.

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.

Survive in space in this action roguelike with RPG elements where you use your strategy to combine design, weapons and passive skills, shaping your ship in your style, facing increasingly powerful enemies.

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?