Top similar games like Orbis Sepia: The End of Worlds:

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.

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.

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.

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

Defend the evacuation of Terra on the losing side of an alien invasion. This experimental action strategy game breaks out of genre norms to provide fresh mechanics to strategic gaming.

Elysian Eclipse is a Sandbox Evolution Simulator, letting you evolve from an amoeba into a space traveling sentient being. Create your own creatures, buildings and vehicles to conquer procedural planets. Turn the galaxy into your personal playground!

Build your deck using cards, ships, items and crew! Explore a generated galaxy roguelike style. Fight gruesome battles against the medley of space scum!

Awaken an Auton in Turis Station, a retro-fantasy sci fi adventure where your choices shape your destiny—one can of BLAND at a time!

Add horror and humor to your universe. Make grotesque beasts or cuddly critters, then watch them do the robot, zombie walk, break dance and more! Includes over 100 new items. 60 New parts 48 New paint options 24 New animations

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

A game for those who played hundreds of strategy/roguelikes and want something new and wild. Build your army, explore a harsh random world, fight varied battles, die, start over, experiment, break the game, become godly and destroy everything. Be proud.

Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!

Space adventure, open world RPG, strategy, arcade, quest and more!

Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.

Raid cargo ships! Blockade hapless colonies! Dig for pirate treasure! On the edges of civilization in a faraway galaxy, what's your's is what you can TAKE... if you can hold it. The vastness of space contains opportunities for riches, and unknown terrors.

The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!

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

A roguelike real time strategy experience where your Stimmings must be coerced into performing activities, to snowball your colony into a winning state. Get to the portal in each level to continue deeper. Grab as many relics along the way to make the late game enemies more manageable.

Fleet is a light rogue-like game with real-time tactical elements. Players take on the role of a commander, assembling diverse space fleets to repel wave after wave of enemy forces. You can also integrate your wildest ideas into the game by expanding it with MODs.

Break Siege is a train-themed deck-building rougelike game in which you constantly construct your own deck and breakthrough forces of the Imperial in intense, real-time battles.

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.

Block Strategy is an RTS Base Defence roguelite with a fully destructible world. Build your base and find fuel to power your reactor before you're overrun by an onslaught of enemy robots.

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

'Mercs Inc': A dynamic blend of tower defense, RTS, and RPG in a fast-paced, top-down strategy game. Engage in thrilling, small-scale combat for an action-packed adventure!

Project:EagleBeak is a mix of multiple modes of science fiction adventure game.You will play as a prisoner called ANN,imprisoned in an alien laboratory,find a way out of this matrix like laboratory.

Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

Standalone: Synergy, the ultimate CCG deck builder with rogue-lite elements. Immerse yourself in an epic campaign, with a gripping voice-over narrative, embark on thrilling adventures in procedural dungeons, unleash your strategic prowess in intense player versus player combat within the Arena!

Double Envelopment is a real-time strategy game where you are a general in charge of conducting an invasion of foreign countries, using a mix of grand strategy, operational artistry, and tactical decision-making to capture enemy cities and infrastructure, and lead your army to inevitable victory!

A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

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。

Top-down RTS: Collect genes/gear, train warriors into 4-person squads, explore ruins and unlock secrets. Old maps persist; focus on progression to defeat all foes. Enemies drain SAN—use consumables wisely. Mix tactics for bursts; endless builds via loot, traits & 3-choice skills.

Legends of Ellaria is a unique blend of sandbox action-RPG and real-time strategy. Build a new kingdom for your people, construct and manage its cities, command your troops in epic battles and join them fighting in third-person action, and live adventures in an immersive high fantasy world.