X-COM is described as 'XCOM is a series of sci-fi video games surrounding an Extraterrestrial Combat Unit setup by the nations of Earth to combat an alien invasion' and is a Turn Based game in the games category. There are more than 10 games similar to X-COM for a variety of platforms, including Windows, Steam, Mac, GOG.com and Linux apps. The best X-COM alternative is Othercide. It's not free, so if you're looking for a free alternative, you could try Fire Emblem or Heroes of Steel. Other X-COM like games are Into the Breach, Valkyria Chronicles, Shadowrun Returns and Xenonauts.
Descend into Humanity’s last hope. The Daughters, echoes of the greatest warrior to ever live, are all who stand before Suffering and death.
Into the Breach is set in the far future where humanity fights against an army of giant monsters collectively called the Vek. To combat them, the player controls soldiers that operate giant mechs that can be equipped with a variety of weapons, armor, and other equipment.
"Fire Emblem" is now synonymous with Simulation RPGs. The opening of the first game, "Fire Emblem: The Shadow Dragon and the Blade of Light", begins with the following characteristics.
MAN MEETS MAGIC & MACHINE. The year is 2054. Magic has returned to the world, awakening powerful creatures of myth and legend. Technology merges with flesh and consciousness. Elves, trolls, orks and dwarves walk among us, while ruthless corporations bleed the world dry.
1 October, 1979: Unidentified forces presumed of extraterrestrial origin arrive in Earth orbit. Panic spreads across the globe as attempts at communication fail and attempts to engage the invaders are met with heavy losses and little success.
You and your mercenaries have to reclaim the island sector by sector, turn by turn. Cultivate the Fallow Trees and process their juices, as they are the basis for your funding. Hire better mercenaries, train local militias and manage your equipment wisely.
Pathway is a turn-based strategy game designed to provide players with approachable, fast-paced and fun squad skirmishes in an early 20th century pulp-adventure setting. Quickly run for cover, flank enemies and utilize your team’s special abilities to turn the tide of battle in...
Invisible, Inc. is a turn-based tactics stealth video game incorporating elements of roguelike gameplay, developed by Canadian independent studio Klei Entertainment.
Underrail is an old school turn-based isometric indie role playing game that focuses on exploration and combat.
Silent Storm from leading Russian developer Nival is a true 3D tactical turn-based Role-Playing-Game set against the backdrop of WWII. As the conflict rages on the frontlines, you’ll be leading a small multinational squad behind enemy lines to gather information.
Oakenfold takes a twist on the classic turn-based strategy flow, the enemy attacks are pre-indicated and you have 12 actions to solve each wave. You don't have to think out the complete solution in advance. If you get stuck you can simply reverse time with your magical TimeScrubber™.
France
EU
United States
Japan
United Kingdom
Germany
Canada
Serbia
A bit similar. At least it ticks the same strategy feel. Also great to be able to play on mobile devices.