Top similar games like Helios Horizon:

SWARM HARVEST is a survivors-like auto-shooter where you command a growing army of drones and deployable towers. Carve through endless alien swarms and evolve into an unstoppable bug-blasting machine with absurdly overpowered builds.

Voidrunners is a space bullet heaven where you combine unique weapons, equipment, and upgrades to create powerful builds. Explore maps filled with secrets, unlock new ships, and survive endless hordes of enemies.

An action roguelite where you fight through arenas and unlock epic upgrades! Defeat the Bosses and challenge the Emperor. Die, upgrade, die and descend again.

MechNest is a 3D bullet hell shooter developed by a single person. As you progress through the map, which changes with each challenge, collect reinforcement items and defeat powerful enemies with flashy shooting! Combine your skills freely and rampage through the hive of mechs!

"Inception: source code" is a fun cyberpunk action game created with a new concept! The game is very difficult. The cute sister controlled by the player can rebound bullets and kill the enemy in the gorgeous light and shadow of the sword.

Metal Ascension is a horde survival game with rogue-lite elements. Upgrade your mech with over 200 pieces and more than 1 000 000 combinations.

Embark on a fast-paced action journey through space, discovering new weapons and abilities through acquisition and research to better each run. Invite friends to experience it with you!

NERMIUS combines sci-fi roguelite bullet hell survival with an incremental clicker mode. Deploy as a Shell, a corporate combat unit, fight alien fauna, collect upgrades, grow stronger, and uncover what Saturn Acme Corp won't tell you.

Assemble your own combat machine from interchangeable components and weapons to mow down hordes of enemies in the arena of this dark cyberpunk survival roguelite. Every part changes your build — combine them to create devastating synergies to survive increasingly brutal waves.

An action roguelite game with alien swarms and mechs. 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.

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.

RICOCHORD is a roguelite about bouncing orbs and flashing lights. And it has some music.

"Infiltrate mysterious planetary facilities to snatch the core 'Hug-Dung' and escape. Battle giant robots and alien creatures in 4-player co-op, secure the core, and return to the extraction pod in this sci-fi action experience."

Tarantula Virus is a randomly generated roguelike topdownshooter in a sci-fi style with a lot of items and enemies. Upgrade items unlock new characters find allies and defeat powerful enemies and bosses.

Humanity has lost sight of itself, blinded by the false prosperity of AI development. You, the protagonist, begin to break free from AI control to uncover the truth of this world. Torn between escaping and erasing your memory, you yearn to leave this city of mechas and reach the shores of freedom.

Beyond Lost Planets is an intense Roguelike Dungeon Crawler Bullet Hell. Fight through enemies and bosses across procedural worlds. Everything from weapons and bullets to powerup and companions is represented with cards. Grow absurdly powerful and create wild, unique synergies every run!

Rise of Robots is a Roguelite Shooter where you build a powerful weapon as you fight to survive ever increasing swarms of robots. Stack powerups to create a unique weapon each run and beat the challenge on each map

Grid-based action roguelike where you face chaotic encounters against computer viruses. Build and upgrade your antivirus using a vast array of commands and add-ons in order to survive.

a bullet heaven type game inspired by retro shoot'em up games of the 90s. Survive and defeat waves of enemies in an infinite space arena, acquire power ups and defeat the final boss !

Traverse 'The Arc' in this beautiful, Cyberpunk-styled action rogue-lite as you attempt to reset an evil rogue AI. Experiment with different weapons and augments as you fight hordes of machines programmed for your annihilation! Collect Nanites & power-up after every run either solo or with friends!

Arcade mining under pressure: pilot a fast rover, mine resources, upgrade, fight, and rescue planets before aliens take control over the whole universe.

Contract Work is a cyberpunk action rogue-like where you infiltrate high-rises to steal corporate secrets. Do you go in guns blazing or take a more stealthy approach? Every contract earns you credits which you use to buy new cybernetic enhancements and modifications for your next mission.

Ichor Burns is a high-octane action game set in the desolate world of Vesta. Master a dynamic combat system, seamlessly switching between sword and spell. Explore the expansive quarry, challenge the invading darkness, and unlock powerful abilities.

Welcome to BOB, a heavy metal bullet-heaven roguelike Mecha game where your skills are the only thing standing between humanity and endless waves of berserk bots! Survive as long as possible while obliterating waves of enemies, terrifying bosses and the megalomanical AI DAVE!

Sci-fi action roguelike. Pilot 7 modular warships through endless swarms. 20+ evolving weapons, deep passive tree, brutal bosses. Year 3987 — the void hungers, you are the last signal. Survive the cosmic dark.

INTERGALACTICORP. is a sci-fi rogue-lite tower defense game where you take on the role of an operator-bot, charged with conducting an intergalactic mining operation. Will you thrive as an efficient miner in this alien environment, or succumb to the dangers that lurk in the depths of space?

Fight your way up Delta Corp’s skyscraper in a co-op action roguelike shooter. As one of its escaped experiments, battle through mutants and corporate atrocities floor by floor. Fuse weapons into powerful combinations, stack upgrades around your build, and bring the whole operation crashing down.

Explore a roguelike RPG set in dynamic, procedurally generated mines filled with diverse biomes. Battle relentless monster waves using a mobile base, gather resources to upgrade your crab, and brave the ocean's depths through shifting weather and day-night cycles.

Survive the relentless offensive of the alien horde in Let Them Come: Onslaught, a sci-fi survival roguelite. The pursuit of the perfect build and an ever-expanding arsenal of abilities are the keys to your success.

Join your fellow Monke to smash, climb, and roll your way through hordes of enemies! Unlock new characters, powerful weapons, endless gadgets, and crazy parkour skills as you fight twisted monstrosities with your unique build. Team up with other Monke in coop and outlast the outbreak, together!

The ultimate cranking roguelike you will ever play. Survive waves of enemies, get upgrades, defeat bosses, and unlock new scenarios. The only requirement is to keep CRANKING and never stop. I hope your hand can handle it.

Meteor Rush is a high-intensity space Bullet Heaven where you defend a fragile core against endless cosmic threats. Harvest meteor gems, loot powerful gear, and evolve your ship and core into an unstoppable force of destruction.

Wish of Hers is a round-based 2.5D roguelike about surviving in unstable dreams. Each run is shaped by unlocked abilities, combined aspects, and your decisions. Experiment, adapt, and break your own builds!

Find your way through alien planets made of fully destructible, procedurally generated terrain. Shoot, fly, collect weapons, level up, and defeat planetary bosses. Improve between runs and discover new planets as you progress. Play alone or with friends, from your couch or online!

AI is taking your job and capitalism is trying to kill you. Fight back. This office roguelite throws hordes of coworkers and AI managers at you — snowball office supplies into a screen-clearing build and outlast 30 brutal years of reviews, debt, and firings. Clock in. Get rich. Retire. Maybe.

HIRUN is an absolute banger of cyberpunk action roguelite where you blast, dash, and drift through neon-drenched hordes. Stack insane upgrades, unlock dope characters, and slash through deadly bosses. The OVERLORD awaits you. Die, rewire, and dive right back into the grid. Can you survive the rave?