Top similar games like Planet X3 (DOS):

Planet X2 is a new retro real-time strategy game for C64. You are up against the Protoids. You need to mine resources, build infrastructure and build offensive units to defeat them. All while protecting your bases. Relive the 8-bits, SID music and keyboard controls of mid 80s C64 gaming.

All that matters is that you're a spaceship captain. Your objective is to explore the far sector. Build, develop, and research. Get to the bottom of the targets of your mission and find out the truth of what happened before it.

Uncrewed 2 is a real-time strategy game that lets the player design units from the ground up. Wheels, treads, walker legs, and rocket engines - the game offers a variety of propulsion options, as well as the ability to craft your own weapons.

Planet Gemini is a factory building and tower defense game. On two planets that crash-landed during a dimension trip, survive against incoming enemies and research on a portal to escape.

After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

Goblin Colony is a real-time strategy game with building and settlement management features. As the keeper of the dungeon you will command an ambitious tribe of goblins as you explore, build and do battle with your foes across a huge campaign.

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.

Astro Industry Wars is a lighthearted take on the RTS genre featuring distinct unit types, base building, economic production chains, and customizable unit rosters.

Ten Thousand Li Wall is a city-building strategy game with automation elements where you construct and defend the Great Wall. Manage your settlements, build intricate supply chains, and ensure your people never lose faith in their wise ruler.

Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?

TowerMancer, a challenging strategy tower building game. Gather resources, build rooms, face menacing threats and meet The Lich family!

Endustry is a game about building, exploring and surviving. Build machines and conveyor belts to collect resources. Try to survive with or without enemy waves depending on which game mode you play.

Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

An RTS inspired resource management TD. Takes place in a bleak mechanical dystopia were the factory reigns supreme.

You control a small colony in the underground of an unknown planet. Mine resources, build a base, explore the world and technology. Supply your colonists with oxygen, food and energy so that they can carry out their tasks.

Orcdom is a minimalist tower defense game with full freedom in tower placement. Defend your crystal from waves of orcs attacking from all directions. Plan your layout, time your spells, and unlock new strategy modes in this fast-paced tactical challenge!

On the cosmic frontier, humanity has fought alien species for a century. As traditional defenses fall to new-gen alien mechs, tech giant ShellMobile—human-centered at its core—kindles new hope via breakthroughs in extraterrestrial titanium ore research.

Grid Miner is a real-time strategy puzzle game where you mine asteroids to gather resources and expand your space station. Unlock new tools and utilities as you progress through levels. Maintain your quotas and learn more about your employer and coworkers at Hypergo Industries.

Harvest crystallized time from parallel universes where people waste their lives playing idle games. Build extractors, automate logistics networks, and research new technology to fuel Bill Tyme's time machine in this factory-building incremental game.

Colonize rich planets with vegetation or deserted moons. Build a functional and prosperous colony. Take care of your colonists. Experience adventures on distant worlds or build a colony on planets in our solar system.

A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.

A Byte War is a real time strategy game where you lead a race of block-based machines against a machine threat from another dimension. Construct buildings from blocks arranged in various patterns and leverage your machines to convert the world around you.

2D Open World RTS with a minimalistic pixel art and a world full of mystery.

TINAD is a unique tower defense game where you defend your retirement home from overeager heroes. Play as the dungeon itself. Deploy traps, summon minions, and prove you’re just trying to enjoy your golden years in peace against heroes who can’t read the sign and assume every dungeon is evil.

An open-ended factory management game with RTS and tower defense elements.

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.

Tyrium is a real-time strategy game where you build a base, collect the valuable mineral Tyrium, and command tanks, rocket launchers, and infantry. Fight for map control, upgrade units, and experience two campaign levels. More content and game modes are coming soon!

Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.

A unique mix of RTS and Action: take control of a powerful combat mech, build your base, raise an army, and fight alongside your forces on the battlefield.

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Dig minerals, manufacture ammunition, and build defense towers to fend off swarms of insects. A tower defense game with light production line elements.