Top similar games like Invaders from Dimension X:

Underwater Wars is a tactical turn-based strategy game that takes place in the depths of the ocean. Two powerful factions of people are fighting a war for territory and resources, but everything changes when mysterious "Aliens" enter the conflict.

Repeatable 15 minutes medieval turn-based strategy game. Fight your enemies. Use tactics to gain battlefield advantage. Leverage each unit ability to their full potential. Open crate for potential rewards. Move quickly on the battlefield or the reinforcement will be too much to handle.

Caught in a time loop, your band of resistance fighters is humanity’s last hope. Real-time exploration meets turn-based tactics and roguelite strategy as you learn new abilities, seek out new weapons, and develop new techniques to overcome the mysterious alien threat.

The XCOM: Enemy Unknown - Slingshot Pack is Now Available!

Retro turn-based strategy in a sci-fi world of sinister alien invaders. Take command of troops, tanks and aircraft as you position your units for the perfect strike or unbreakable defense. Plot the course of humanity's war against the insidious Sectyd by choosing which missions to fight.

Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.

Engage in epic simultaneous turn-based combat in this fusion of cards and turn-based strategy. Assemble your regiment, claim your territory, and lead your forces to triumph!

Lead a strike force against an alien threat in this turn-based tactical RPG from the developers of Battle Brothers. Answer distress calls across different worlds, train and equip infantry, deploy tanks and mechs, and plan and execute missions in detailed turn-based battles.

The Red Planet is at war. Lead either Capital’s corporate army or Labor’s worker revolutionaries and wage war across a vast strategic map, then assume direct control in turn-based tactical battles featuring artillery, vehicles, and fully-destructible environments.

Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.

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.

Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.

Uber-Hardcore, Turn-Based, Steampunk, Squad Tactics. Battle 6 other factions for control of Pangea in emergent, tactical gameplay.

XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.

Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.

Choose your faction. Choose your heroes. Choose your troops. Conquer lands, create kingdoms, and destroy your enemies. All the lands of Callasia are yours to dominate in this original strategy game.

The Eternal Battlefields is a turn-based tactical game with RPG elements and a loot system, emphasizing on battles. Get a random army in the High Score mode and try to reach the highest level of The Eternal Battlefields or try to beat the final boss in the Roguelike mode.

Lead a band of space pirates and loot and pillage your way across the stars in this turn based tactical game!

From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Lead the SOF squad and defend the world against alien invasion! Engage in thrilling turn-based battles and uncover the mysteries of enigmatic extraterrestrials. Your time has come – join the fight and safeguard our future!

After the Great War, the Red Army advanced westward to ignite revolution in Europe. In this turn-based hex wargame, you will experience the key events of the Latvian War of Independence during this exciting and turbulent era.

ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!

Fast-paced tactical combat meets strategic management in this sequel to the acclaimed Warhammer 40,000: Mechanicus. Take control of either the ancient and deathless Necron legions or the techno-religious acolytes of the Omnissiah, with the fate of a world in your hands.

You’re a highly trained soldier on a mission to infiltrate an alien space station that goes horribly wrong—find your team and discover the hidden truth. Upgrade, Craft, and Discover technologies, Enhance your character’s skills in this gripping turn-based tactical RPG.

This is a turn-based historical chess simulation game Players will experience major battles between 1840 and 1920 The game consists of four conquest scripts, each with three different modes and 60 free conquest years to choose from, where the player takes on the role of a commander

What happens when the only hope of a threatened world lies not with heroes in shining armor, but in the hands of a band of misfits and criminals? Blackguards, a new turn-based strategy RPG, explores this very question. You will discover over 180 unique hex-based battlegrounds within a dark and mature story of crime, drugs, and murder.

ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the Endless universe, where you can control every aspect of your civilization as you strive for galactic domination.

SteamCity is a turn-based strategy game with a unique world setting, merging steampunk with strong Asian influences. You can control many characters, from brave Rose Militia members, to powerful steam robots, renegade enemy soldiers, and even the main heroes.

Recon Control is a turn-based strategy and 2D platformer hybrid focused on combat. Lead your special operations squad through a set of challenging and deadly missions.

Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.

The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.

Tactical story-driven online multiplayer game combining the turn-based combat of X-COM with a deep, well-grounded sci-fi setting. Experience intense tactical online multiplayer action and explore a deep plot and unique storyline built on both single-player and multiplayer missions.

SOVL is a ruleset for playing fantasy wargames. It can be played with miniatures on a table or digitally on Steam.

Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!