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!

Fight endless hordes in Qvack, a 2D roguelike shooter where every run brings unique builds. Cast spells, eat bread, die, earn rewards & repeat. Upgrade your duck and experiment with unique spells and power dynamics to survive as long as possible

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.

Go on a campaign to dethrone the kaiser! Build an army, strengthen yourself with powerful artefacts and defeat the forces he sends to stop you. Kaiser is a casual roguelike game where you fight thousands of enemies in an attempt to become the new kaiser.

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.

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.

A fast-paced, intense top-down bullet hell action experience with a sci-fi aesthetic. As a protector of light, you must build your arsenal of weapons, abilities, reflexes, and wits as you slowly transform into an unstoppable force to survive through waves of monsters and demons from the void.

Sci-fi roguelite survival. Deploy as a Shell - a corporate combat unit - and fight through waves of hostile alien fauna. Choose your shell, collect upgrades, and survive long enough to face what Saturn Acme Corp won't tell you about.

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?

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

Put together experimental weaponry to fill the screen with bullets and defend yourself from endless waves of foes

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.

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.

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.

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!

Breachwalk Survivor is a single-player game combines survivor genre with inventory management. Before sneaking into another dimension, it’s better to plan which weapons to craft and strategize the path. Stealing just one 'World Core' will save your world, but there’s still extra space in your bag...

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

Spin. Shoot. Survive.

A rogue-lite game where you must face hundreds of monsters with increasingly difficult bosses that strong enough to take you down. Choose your abilities, build your favorite combat style, become stronger and survive as long as you can!

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.

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?

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!

Space Strider is a 2D Sidescroller Shoot 'em up with Roguelite elements, where you beat hordes of enemies and defeat unique bosses. Unlock, upgrade and level up your Spaceships to become the ultimate Space Strider!

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.

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

Slay Goblins is an arena roguelite where you play a knight fighting off hordes of goblins. Choose from a variety of perks, weapons and items to create unique builds and defend your castle.

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.