Top similar games like 星辰大海:

Co-op and Single player Tower Defense genre.

An instant strategy science fiction simulation survival sandbox game. Players can control individuals, teams, and manage multiple bases. Players can farm, build, excavate, fight, produce, graze, explore, trade, record and pass on knowledge, and can also fly a spaceship to explore the starry sky.

Abeyance is a roguelite, sci-fi, dungeon-crawler. Salvage wrecked starships in a gritty, post-apocalyptic world. Fight mutants and mechanized defense systems. Battle your inner demons to save your soul… and reclaim your humanity.

Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

A light tower defense game with unique planet exploration. Defend against aliens, collect resources, and build a new home. Exquisite graphics and challenges await!

Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

The way I make it becomes the way! A round at the square block! Square Block 3D Tower Defense with various routes and strategies! Turn the tide of battle by deploying powerful heroes. How many waves can you hold on until the defense collapses and breaks down?

Orbis Sepia: The End of Worlds is a roguelike strategy game playing in an infinite procedurally generated universe. As a giant creature the size of a planet, your only source of food is... planets! Explore the universe and eat planets to keep exploring, seek the purpose of your existance!

Become the champion of the ultimate galactic show in this intense blend of Tower Defense and tactical assault. Manage resources in real-time, deploy your AI squads, and annihilate your rivals before billions of spectators in Quantum Fight: Aero 2299.

A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.

Expansion is a sci-fi Action RTS where deck-building strategy meets fast-paced VR duels — battle AI or challenge real players.

just a touhou rts game

A classic fantasy MMORPG powered by uMMORPG—discover dungeons, fight powerful creatures, forge rare equipment, and shape a living world alongside hundreds of players.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

A sci-fi, 4X, real-time strategy game. Build, fight, and explore to survive against an unstoppable alien threat. Carry the fight from one galaxy to the next as you battle back from the brink of extinction, and unlock the secrets of the past to restore your people to the path of galactic super power.

A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?

你还在怀念儿时第一次看宇宙骑士、太空堡垒时那种热血沸腾的感受吗？《缄默星空》是一款画面怀旧，玩法创新的星战RPG冒险游戏。多线叙事，多种结局，驾驶你的飞船，重温儿时的感动吧。

A space-sim and roguelite where you build your own ship and live in it. Survive in a procedural galaxy that escalates into full faction warfare.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

A tower-defense game with roguelite elements on fully explorable mini planets! Travel the galaxy of Vyrosa, land on planets, and defend your drilling equipment while mining fuel to continue your journey throughout the galaxy!

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!

Competitive endless sci-fi tower defense game with global leaderboards where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.

Strategy, timing and fortune: Novel and immersive tower defense game experience!

ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!

Tower Defense meets a Visual Novel narrative. Place an arsenal of towers to halt the invading enemy. Use special abilities such as napalm strikes, EMP blasts, and orbital lasers. A sci-fi space drama, filled with dialogue choices.

Top-down action and space exploration meet asteroid mining automation! Navigate to randomly generated asteroids passing by and start mining. Impress your employer, upgrade your equipment, fight off pirates and save up for that ticket to Earth so you can finally come home... for the very first time.

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.

Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe.

Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.

Save The Village is a medieval tower defense game where you strategically protect villages from waves of skeletons, goblins, and fearsome bosses. Build powerful towers and use magical abilities to fend off the invading forces!

Neonverse defenders: The retro-futuristic 3D Tower Defense game.

A 3D FPS/TPS Tower Defence game in a sci-fi world, defend your base from corrupted robots and unlock better turrets