Top similar games like Final Frontier:

Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.

An AI menace is headed to your motherboard! CAN YOU SURVIVE?!

"Long ago a computer scientist called Dr Sepulveda created a beautiful digital world existing entirely within a computer network of his own invention. This world was called Darwinia and it was inhabited by a peaceful, law-abiding digital life-form called the Darwinians.

Take control of the Saadex Defense Terminal in this strategic tower defense game. Build, move and upgrade everything to fend off waves of relentless enemies! Utilize tactical skills to reshape the flow of battle in your favor. Secure your rank on the leaderboards as the top operator.

Terminal squad: swarmites is a game with indirect control where you must erect a chain of buildings, which generate resources for construction or the combat units for destruction of an enemy.

Discover strategic depth in our space board game! Use star-currency to buy interstellar sites. Compete with friends in turn-based matches, utilizing the Starbridge for tactical advantage. Accumulate currency for the Lottery, offering rewards and site boosts. Achieve cosmic success

HEX Defense is a tower-based strategy game set in a hexagonal world where you have to fight enemy forces by combining simple blocks into complex tower patterns.

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

One of the world's first real-time strategy games, originally released for the ZX Spectrum in 1984. Move your units across varied terrain to meet the enemy, managing strategic positioning and supply lines.

The ultimate mash-up of Real-time Strategy and Tower Defense!

A new pixel tower defense mini-game. In the game, players will control your chariot team, equip appropriate weapons and props, sprint through the level together, successfully break through the enemy's blockade, and complete the breakout task.

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?

Play as Gregg. Gather, build and destroy your slimy enemies in this thrilling pixel art tower defence!

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

In this game, you are a leader, leading a force of army to fight other forces in the deep spaces. You will plunder their resources, build your homelands, explore and expand, managing your army both strategically and tactically. This will be a saga written with blood and fire.

Space Nature Attack TD is a tower defense where you can level up and customize tower stats and elements to your liking! Fend off various types of alien creatures across many different sci-fi planet themed maps, biomes, and difficulties!

Token Game is a puzzle game where you need to keep your mind with you all the time.

Warbreeds is a strategy game where the objective is to become the ruler of the fallen Empire. Defeat your enemies and steal their genetic material to expand your clan’s skills and firepower. Engineer and customize your army with a vast mixture of advanced bio-technological weaponry.

ASSEMBLE AND COMMAND YOUR SPACE FLEET TO VICTORY

Doomsday clock ticks 5 minutes to midnight, unravel the tale of a nuclear disaster's genesis. Dive into chaos blending humor and horror, setting the stage for strategic battles. Crafted by a dedicated team, this prologue teases the reborn classic RTS with laughs and chills!

Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

0 World TD is a 2d tower defence game with deep combat system, highly adjustable difficulty settings and many more features!

Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!

Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.

Astra Exodus is a single player turn based Sci-fi 4X strategy game inspired by the classics, with a multiple choice narrative driven epic campaign, top down real time tactical battles and an extensive semi-randomized research grid.

A Roguelike tactics game where you fight hordes of aliens. Your Units evolve and learn new skills as the fight goes on. Manage your squad of 5 specialised mercenaries, and fight a never ending war against the infestation.

Build your towers according to the enmey you are facing in the wave. Upgrade your turrets to increase range, damage or rewards. Each enemy wave will be random and increases in speed and damage resistance. How far can you go!

DONT BUY IT, THE PUBLISHER IS BANKRUPT AND I'M WORKING ON NEW VERSION OF THIS GAME WHICH I WILL PUBLISH ON MY OWN.YOU CAN FIND UPDATES IN MY DISCORD https://discord.gg/8q9uTFa4

Carefully plan your team's tactics in close quarters battles. Use the timeline to synchronize each door breach, grenade throw and room entry with precision. Watch your team execute your plan autonomously in epic cinematic replays. Take on challenging roguelike campaigns or standalone missions.

Defeat hordes of enemies in this aesthetic tower defense game. The random terrain generation provides a beautiful environment and a unique experience every time you play.

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.

Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!