Top similar games like Helios Horizon:

Play as a lone rabbit sent to the outer space on the journey back home. Defend the ship against relentless alien waves, harvest precious resources, upgrade under pressure, and survive the crushing energy deficit. Every warp brings you one step closer to home… or to ruin.

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!

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!

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?

"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."

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!

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.

Halved is a roguelike action RPG game with only 5 levels and 3 game modes, but innumerable possibilities for each run. Play as one of 5 characters and traverse the dangerous parts of the world with the help of the mysterious Father of all Machines against his rebel/tyrant son, S.A.N.E.D..

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.

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.

Space Bot is a strategic action roguelite where your environment is fully desctructable, and out to get you. Destroy planets with your giant mining drill, and fight off dangerous alien lifeforms

ExoFrontier: Venus is an Action RPG with procedurally generated dungeons.Dive into the most hostile regions of Venus and transform it into a safe place for humanity!

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!

"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.

"Space Recall" is a side-scrolling game with action Roguelike structure, skill and equipment combination as innovation points, and economic operation as the driving force. players can build character skills according to the situation, and at the same time with special abilities

Embark on the unique journey of Macho Mick, a gaming experience combining 2D and 3D worlds. Battle enemies, collect coins in 2D, then unlock exciting 3D arcade games. Earn tickets for upgrades, explore themed areas, and conquer roguelike challenges. A captivating experience for all skill levels!

Travel between planets, gather their resources, upgrade your arsenal, fight bosses and save the galaxy in this 2d action roguelite. Up to 4 players online.

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 !

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.

HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.

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

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.

Lost Colony is a sci-fi twin-stick shooter roguelike. Battle aliens and rogue drones with your evolving combat drone companion. Explore a shifting colony, collect alien tech to upgrade weapons, boost your drone's powers, and uncover the dark forces behind the colony's fall.

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!

Run and Gun Roguelite where the goal is to upgrade each consecutive alien drone on death so the next can strive to become overpowered enough to escape the all consuming hive mind.

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.

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

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 first-person space roguelike that dares you to press every button (even the ones you shouldn’t). Your signal is fading… Do you copy?

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.

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.

Fast-paced roguelike where you mine and explore procedurally-generated asteroids. Collect unique stackable upgrades to aid you in your quest for riches! (and freedom...)

A 3D Sci-Fi space shooter game where you fight against big flagships and bases to unlock the secrets of the world.

Explore, mine, and fight your way through the galaxy in this 2D space mining adventure! Unearth the relics of ancient civilizations and face the horrors that linger beneath alien worlds.

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.

An infectious retro hardware classic from 2006 has been revived. Only you can save the world from the deadly virus known as Scurge.