Top similar games like O3: Hollow Descent:

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Shapes & Shots is a Roguelite Shooter Bullet-hell, where you can control time as you make your way through a twisted and delusional universe. Your enemies will merge, creating infinite combinations to try to overwhelm you: only your skills, combined with upgrades you choose, can lead you to victory.

In Enlightenment, you play in a roguelike action-shooter with a fast-paced challenging journey deep into a underground complex called "the Ark". Players will be tested by large varieties of enemies in a procedurally-generated dungeon, and become stronger by learning from the inevitable deaths.

A Contusion is a leisurely hardcore top-down roguelite shooter where the hero gets lost in the labyrinths of memory. A variety of weapons, armor and shields, grenades and first aid kits, powerful artifacts and perks will become faithful companions on the path of memories.

Shapes & Shots is a Roguelite Shooter Bullet-hell, where you can control time as you make your way through a twisted and delusional universe. Your enemies will merge, creating infinite combinations to try to overwhelm you: only your skills, combined with upgrades you choose, can lead you to victory.

Atomine is a twin stick procedural shooter rogue-lite set in a virtual world with minimalist design, where the player recounts on the screen the real events of STUXNET, the first weapon ever created in the form of computer virus.

In this fast-paced action roguelike, mutant cats hidden from the world for years find that life outside is so cool, they don’t want to go back home. For that, you'll have to fight through and conquer the heart of the zombie-infested County of Ravinbrook. It's the only way to Catland

Animal Rogues is a dark rogue-lite dungeon crawler bullet-hell with rpg elements. You play as an animal who fights against one possessed beast after another! Discover unique interactable objects such as slot machines, dices.. Collect magical items and level up to become more and more powerful!

Battle time and terror in a shoot & survive extraction roguelite. Select your hero and survive the relentless cosmic surge. Shoot, level up, topple bosses, and amplify your powers to cosmic levels. Embrace the Blastard within and unlock new heroes, powers, and perks to use on future runs.

Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.

Wisterix is a fast-paced top-down shooter. As you enter an ever-shifting void, you’ll face relentless hordes of monsters guarding the gates to deeper, more treacherous dimensions. Fight through shifting worlds, collect weapons, and adapt your strategy as the void twists and turns against you.

Huedini is a colour-matching action roguelike game. Play as Huedini, a powerful wizard with the ability to change his colour. By matching your colour, to that of the enemies you can absorb their colour essence. By combining these colour essences into the correct combination, you can cast spells.

Fast paced bullet hell roguelike. Upgrade your weapons and abilities as you collect attribute blocks. Highly customisable with lots of combinations. Fight bosses, pick up items and improve your stats. Unlock new items and achievements for the next run through the ever-changing dungeon.

Star Bind is a fast-paced rogue-lite action dungeon crawler where you must shoot, dodge, loot, learn, and improve your way out of a bizarre simulation.

Nothing but ocean in every direction, and monsters eyeing you down everywhere you go! Wake up, confront the monsters, and find your way home in this top down rouge-like, with a unique take on shooting mechanics. 

Cards and Guns is a top-down arena shooter roguelite, where you’ll have to defeat hordes of creatures. Choose from a variety of cards and upgrades to create unique builds and survive to the end.

Sealer of Dungeons is an action-shooter with Rogue-lite elements. Play Sealers on their journey, you will find great treasures and abilities to seal the unknown evil above. Gather precious loot, discover hidden secrets, and chat with merchants to get powerful items. Seal the dungeon, save the world!

In this fast-paced rogue-lite, your health points are your only resource: sacrifice them to acquire vampiric powers and devour your enemies to heal yourself! Beware: every drop of blood counts in this frantic race to defeat the apostles of the Cult of the Sun!

Code of Shadows is a fast-paced real-time roguelite where you fight alongside powerful support drones. Pause on demand, evolve mid-fight, and push back relentless rift-spawned hordes across shifting dimensions. Adapt your build, master the chaos, and survive each run.

Randotura is a top-down action roguelike with inventory management. Dive into bullet hell action and collect unique modifiers, all in a selfmade dungeon.

Echoes of Elpis is a twin-stick shooter sci-fi roguelike. Upgrade weapons, discover new tech, and uncover a secret past as you battle through Elpis on an epic treasure hunt.

Psycho Banger is an Anti-Rhythm ArRPG. You play through ever-changing dungeons where everything except you is dancing to the beat, and your goal is to assemble the best weapons and moves you can find to crash every party and crush every dancer with style, aggression, and dizzying agility.

Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

Roguely is a fantasy themed top-down shooter pixel art action roguelite with some bullet hell thrown in. Fight and dodge your way through the randomly generated maps to rescue your friends. Find upgrades along the way and save up arcane fragments for permanent blessings from the gods.

Overkill Squad is a ultra high-speed top-down shooter roguelike built around intense 1-minute combat arenas. Choose your fighter, unleash overwhelming firepower, defeat brutal bosses, and collect relics to dominate every run.

A Mystic Gate created by the gods suddenly appears in the human world. Adventurers challenge themselves with the tests that await them beyond the gate. In order to earn your wish you must defeat hordes & bosses in this roguelike dungeon exploration bullet hell!!

Star of Providence is a top down action shooter with procedurally generated elements. Explore a large, abandoned facility in search of incredible power, fighting dangerous foes and gaining new weapons and upgrades as you progress.

Skycliffs is an action shooter roguelike dungeon crawler with fast-paced top-down platforming. Jump and dash across sky islands, fight loads of monsters, and get upgrades to survive the many dangers of your journey. Will you be strong enough to reach and defeat the keeper of this floating world?

Phobias have awoken in this dark roguelike shooter One by One! Dive into procedural dungeons, unlock forbidden equipment, unleash the might of your soul and strike down bosses to save the world.. or is it late?

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.

Paranoid is Dungeoncrawler/Roguelike with an oldschool pixelartstyle where you need to survive alone in the dark and discover new items and pills that help you through this dangerous World. Can you find a way out and wake up?

Danger Gazers is a post-apocalyptic roguelite top-down shooter where you pave your own path. The choices you make will decide your fate, it will either turn you into the new ruler or... the ashes to be windswept away.

Worm Slayer is a Fast-Paced Bullet Hell Roguelike where you must fight your way through the dungeon that is the Worm King's den to finally reach and then defeat the Worm King.