Top similar games like Octo Armada:

Defeat thousands of enemies that are invading Andromeda! Andromeda Survivors is a casual game with rogue-lite elements where you collect skills and upgrades for your ship to create amazing builds!

BULGASARI is a multitasking action roguelike where combat and inventory management happen at the same time. Devour scrap to grow stronger, create your own build, and survive against endless alien hordes.

You are military volunteer. what? you did not volunteer? It's too late! You are already in the middle of the battlefield. kill the alien for the humanity! Marine Survivors is simple action rogue lite game. kill aliens, earn exp gem, upgrade your weapon. unlock various collection.

Dungreed is a 2D side-scrolling action game with 2D Rogue-LITE elements. You become an adventurer exploring a continuously evolving dungeon to prevent the town from being destroyed. Eliminate enemies, use a variety of weapons and magic, eat food, and defeat evil in the dungeon!

Fight the underground creatures of Argion to free the land from a curse. You have to fight your way through several dungeons full of dangerous creatures and bosses. Try to utilise, level up and combine many different weapons and passive items to stand a chance of defeating them all.

Rift Survivors is a top-down action roguelite game. Take on the role of a Rift Guardian and maintain the balance between dimensions while facing deadly enemies. Grow stronger with each playthrough and prove your worth in this unstable multiverse.

Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.

Spin. Shoot. Survive.

Bullet Reign is a roguelike action shooter in a wasteland. Fight endless mutant waves as an armed survivor, choosing classes, weapons, and items to craft unique builds. Every run offers new progression choices—blast through the swarm and be the last one standing.

Shoot & Sow is a top-down arena shooter roguelite, where players control unique characters and fight vegetables and fruits. Players can plant seeds to grow special items, as well as buy a variety of weapons and items. Complete the talent tree to gain more power. Can you survive on your own farm?

Irradiant Skies is an arcade roguelite blending brick-breaking and bullet-parrying combat. Reflect enemy attacks, chain powerful upgrades, and master unique ships as you ascend through waves of enemies.

Flower Survivors is a hyper-casual action RPG where you team up with beautiful anime-style heroines to survive against endless waves of enemies.

Glyphforge is an magic roguelike with "anime style" spell-crafting. You write and compile nested spell formulas while kiting hostiles across an endless grid. In the most "I cant believe its another X type game" manner possible.

Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

Immerse yourself in Arcane Chaos, the ultimate magic-fueled roguelike. Mastering chaotic spells to vanquish endless waves of foes. Level up, enhance your powers, and experiment with fusing spells to unlock a myriad of potent combinations. Can you navigate the relentless chaos and emerge victorious?

Save The World! Bullet-heaven roguelite where absurd founder archetypes defeat world problems through hunger, healthcare, and energy crises. Draft ridiculous weapons, evolve chaotic synergies, and save the world!

GhostGame is the roguelike bullet hell game that puts your hand-mouse coordination to the test. Fight through hordes of enemies, gain powerful skills, acquire companions and defeat bosses to accomplish your ultimate mission.

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.

Swarmbreak is a twin-stick roguelike shooter where you aim every bullet, stack every perk, and push every run to its breaking point. The only thing between you and oblivion is your crazy build cobbled together from 28 stackable perks, 10 weapons, and a character passive that bends the rules.

Can you survive against crazy cultists and be the last cult standing?

Stay in the light, hunt the dark. Create your own hero through the four dimensions of role, skill, talent, and blessing outside the battle. In the battle, choose the most suitable equipment and weapons strategically to improve your strength and continue to fight.

A gothic top-down survivor-roguelite. Attack, weave and dodge through undead hordes while picking level-up cards to build your character, then fight a boss at the end of each map. Nine characters, dodge-only defense, run-based roguelite progression.

A Turkic folk-horror bullet-heaven roguelite. Every run drifts between two gods; feed Erlik's corruption for savage power and lifesteal, or rise toward Tengri's light for shields and renewal. Every weapon evolves down two opposed paths. Survive the Long Night.

Control the ball with gravity and smash through endless hordes! Collect weapons and skills, power up to the max, and survive the onslaught!

A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.

In Nine Lives Ninja: Survive you are a cat (who also happens to be a ninja) forced to fight for your lives against hordes of evil woodland creatures. Choose which abilities to focus on, which attributes to increase, and see if you can survive to fight another day.

A roguelite space shooter based around the classic arcade game. Shoot asteroids, ships, and take down the mothership in a multi-stage boss fight, avoiding lasers and explosions. Upgrade your ship during and after your run in this casual simple roguelite.

Shatter endless enemy waves from the baseline, rake in gold and XP, level up and draft modules and ball upgrades to forge absurd builds, then hold the line as bosses widen the arena and the grid fights back!

Choose your race and class, create a unique build, and battle relentless hordes in VERAKORIA. Collect experience, unlock powerful upgrades, defeat deadly bosses, and survive the escalating onslaught in this pixel-art action roguelite.