Top similar games like HOSHIOMIO -Stella Attacks-:

Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!

Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

Command Captain Hope's ship in this strategic 2D space game. Build structures, deploy fleets, and manage resources to defend the Citadel against waves of enemies. Combine direct ship combat, tower defense, and base building as you face epic boss battles.

Battle Among Stars – Alien War Five Houses. One galaxy. You are the heir thrown into the war. Command fleets, assemble modular units, forge fragile alliances — every decision reshapes the balance of power. Free demo available now.

Sci-fi military action-rts. Play as a space soldier, abandoned by the command on an alien planet. Find allies, gather resources, train new troops, and escape from Sector Yama. Casual "single-stick shooter" controls, fun tactical combat, rewarding exploration, and rich storytelling.

2D Strategy game.

Join Mousse the cat in this action-packed tower defense game! Pounce on the incoming mouse invasion alongside re-engineered cat post towers and yarn ball cat-a-pults. As enemy waves pour in from land and air, use Mousse’s quick agility and feline intelligence to show them who truly rules, paws down!

You are a space mining apprentice with a bright future ahead. However, your superior Commander Neek would rather watch a movie than teach you anything. Can you collect crystals and survive on your own?

'Space Boat' is a humorous investigative narrative game set on an intergalactic cruise-ship inhabited by various carpet based lifeforms.

The early stages of an RTS I created in a gap year. Create your loadout, send your mechs to battle, capture objectives and destroy the enemy base

Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!

Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.

Mech FPS game in all directions of space; follow the story and contribute to the fight for your homeland! Survive the space wars as an up-and-coming soldier with the toughest warriors around!

Orbital Traffic Controller is a sci-fi spaceship management game set in the Solar System. Become an interstellar traffic controller, directing vessels from planetary holding patterns and warp gates to atmospheric reentry, all while avoiding collisions with other spacecraft and planetary bodies.

A sci-fi roomscale VR Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with a handheld drone. Build and collect resources and help evacuate your crew from the alien planet.

Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.

“Grab, hurl, and eliminate” Rogue-lite Core-Action!! A large-scale rebellion erupts within the spacecraft “Life Stream.” With the help of you, Rona, an android known as “Metallic Child,” stands up against a fleet of massive robots to stop the plot devised by her own creator, Doctor Irene.

Cyberwinter is an isometric action strategy game. On a distant planet with a harsh climate, you have to fight legions of dangerous monsters for a new home for humanity. Build bases, develop and defend them.

Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.

The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

MARSS is a reaction-oriented and puzzle laden RTS game. Use the power of numbers, mandatory friendship and space-gulag threats to take back Mars and expand the robocommunist empire!

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Pilot your advanced Trident fighter through a mysterious frontier, where survival hinges on skill, strategy, and an inexplicable alien bond. XERXES:SHADOW - Your mind is the battlefield.

Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.

Lose yourself in an indie solo-dev. treasure that harkens back to arcade classics! All while thumping along to killer retro-inspired beats by Ovani sound. Embark on an epic tower defense adventure against awe-inspiring machine monstrosities, made by a devoted gamer for devoted gamers.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Test your reflexes and keep your mind sharp with this challenging and fun cyberpunk themed game about cracking safes... in space! Train to become better and better, and place higher on the leaderboards. Are you the fastest amongst your friends, on Steam, in the whole world? Prove it.

Build deadly mazes and outsmart a rogue AI in this strategic tower defense game. Adapt your defenses, use aiming parameters to your advantage, and activate powerful perks to survive increasingly complex waves of incoming robots.

Embark on an electrifying journey through the neon-lit streets of Tokyo in "Tokyo’s Neon Monsters" – an adrenaline-pumping fusion of real-time strategy and tower defence like you've never experienced before!

Includes 47 Steam achievements, leaderboards, and stats!