Top similar games like Octogeddon:

Hamboy is a rogue-like arena shooting game where you fight against aliens by strategically combining 12 attributes and 10 types of weapons to create synergies. As the waves increase, you'll realize that you shouldn't spend gold recklessly.

RRRR2 continuation of the game RRRR, the Reindeer is added to the team.

Defend your ancestral castle – show the invader who the master is! Build towers, save money, train your spells, and your enemy will be vanquished.

DOOM SWEEPER is a 2D pixel-style game. Clean up the approaching zombie climax, and exchange it for cash, embarking on a journey to become an arms dealer in the apocalypse. Complete the game, unlock more items in the shop, and achieve various achievements to obtain different CG!

Mobmania is a four (4) player co-op real-time bullet-hell action rogue-like where you kill enemies, buy items after leveling up, and survive long enough against thousands of monsters and bosses until the final fight against the Witch.

Combat endless waves of spaceships as Cosmos Kitten in this physics-based action roguelite! Unlock combinations of unique characters with powerful weapons to overcome the onslaught of enemies. Compete or cooperate with friends in optional local multiplayer mode.

Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

A Shrimp Based Bullet Heaven. Kill creatures, Level up & pick from 3 upgrades to unalive thousands more.

Alice chased the rabbit. Then, she fell. she fell from top to bottom. Slam! The noise echoed. Shoot, my butt. It must be the destiny of 「Alices」 to suffer. But still, shouldn’t she watch out for herself to avoid going through such incidence in the 21st century?

Amass an army of deamonic undead to fight endless waves of heroes intent to end your boneraising ways! In this gothic-horror auto-battle roguelite, use the bones of slain heroes to raise your minions, collect powerful relics and spells, and unlock meta upgrades, all to survive King Gigald's crusade!

Become the bullet hell as a Capybara in this roguelite adventure! Brave the chaos solo or with up to 4 friends, forge your path through hordes of enemies, gather capy-powering weapons & skills and embrace your inner capybara in this action-packed bullet heaven frenzy!

You're the world's hungriest ape and must eat to grow bigger and stronger. Sneak, climb, throw, punch and shoot to become a giant monster and defeat your enemies.

[Cooldown] is a rhythm-based defense game. Destroy the endless robot debris flying through space, strengthen your turret, and protect your planet! Develop various technologies and robots to defeat enemies more effectively! Get more rewards while listening to your own recorded music!

Froggy's Battle is an action roguelike game set in a loop. Help Froggy the steezy magician skater frog defeat all the baddies squatting her favorite riding spot. Choose your upgrades carefully, become more and more powerful and kickflip yourself through waves of enemies and ferocious bosses!

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.

Challenge hordes of ghosts, create builds, and unlock permanent upgrades! Ghost Ascension is a 2D rogue-like with a strong progression system. At the end of each wave of enemies, choose the card that best fits your build.

Training Grounds is a prologue for… you guessed it, Extremely Powerful Capybaras! If you have fun being the bullet hell with your online capy-friends, go to the Store page for Extremely Powerful Capybaras and wishlist!

DopeMine Arena is a Bullet-Heaven Roguelite. Simple controls and auto-firing weapons put the focus on levelling up and making good choices to survive the onslaught of enemies. Earn coins to increase the stats of your characters. Discover the weapons and items that pair together .

Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!

CO-OP Time survival game with roguelite elements, up to 10 players online

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

Tower defense reimagined! Dead Ground is a procedurally generated tower defense game with rogue-like elements. Each playthrough will offer randomly generated guns, skills and augments. You'll have to travel, collect scrap, water, manage your inventory and upgrade your base to survive!

Have you ever raced with sheeps, poked noses, or battled against pirate cats? Welcome to FUFUFU, an absurd co-op roguelite for all ages, full of wacky situations. Get ready for some Fu-lish action!

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.

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.

The first survivor-like game without any enemies! Choose up to three potions to craft per wave, swiftly gather the required ingredients within a limited time, then craft the best potions to enhance your stats in various ways! Research and unlock new elements to expand your alchemical arsenal!

Ground Zero Hero is an action-roguelite with light survival elements set in a post-apocalyptic wasteland. Battle mutated freaks, absorb their radioactive guts, mutate yourself to gain new powers... and eat a lot of candy.

Cookie Invaders is a roguelite shoot 'em up where you utilise a massive skill tree to evolve your ship to defend the earth from legions of invading cookies.

Spaceship Survivors is an anime-style arena survivor roguelike where you play in space to fight against loads of alien spaceships. Create unique builds to survive and kill the final boss, or go for an endless run. You can unlock 33 playable spaceships.

Infinite play-ability in endurance mode, or play story mode. An underwater shoot 'em up, that is family friendly and a little campy, featuring a whale (Corbin) with a laser strapped to it's back. You'll also see sharks with lasers, turtles with rockets, and much much more.

Swarm Grinder is an action roguelite game with pixel art graphics. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Fantasy Madness: Bloodbath is a roguelike action-survival game where forces of nature fight against hordes of evil. Gain new skills, loot powerful items and defeat all who stand in your way… By all means!

"CAPTROON is an arcade game about facing waves of insectons, with a weapon and a shield that can be activated when available."

Find your lost chickens and bring them home in this hectic bullet hell, isometric game with rouge-lite elements. Compete against other players best times around the world. Play solo or team up in local co-op. Save as many chickens as you can and survive against endless waves of predators.