Top similar games like Book of Aliens:

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.

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.

XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.

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.

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

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.

"Build your bots, command your army, defeat the invaders!" 'Bot Net: Ramshackle Robotics' is a turn-based strategy rogue-like where you'll build an army of ramshackle robots to fight off an alien invasion!

A turn-based tactical adventure in the boundless universe. Lead a squad and set a course towards distress calls. Extinguish fires, remove obstacles, eliminate enemies - do whatever it takes to rescue those in trouble! Remember: Space needs YOU!

Phantom Brigade is a hybrid turn-based & real-time tactical RPG with an innovative timeline-based command system. See the future, predict enemy actions, and plot your counterattack on the timeline! Outnumbered and out-gunned, lead the Brigade's campaign to retake their war-torn homeland.

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

Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.

An addictive mix of strategic combat and army building, with the precision of an RPG. Design your squad members' exact build of equipment and talents to create unique fireteam combinations. Step into the pilot suit of a Leviathan mech, lead the Templar Knights in turn-based tactical warfare.

Age of Gladiators II: Death League is a single-player strategy game set in the futuristic 3000AD, during the rebirth of the violent and hyper-competitive gladiatorial games. Manage your franchise while forging the attributes and abilities of your warriors. Build your story. Build your empire.

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.

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.

Turn-based tactics game inspired by XCOM series with manual aiming and ricochets. Skill, precision and tactical thinking with NO RANDOM CHANCES! Upgrade your viruses and outmaneuver the enemy ICE in cyberspace battles. Reveal the corporate secrets and survive in this dark cyberpunk world.

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.

Steel Shadows is a standalone RPG set in the epic universe of Ancient Frontier. Take command of a rag tag band of pirates and outlaws as you fight your way across the Frontier for treasure and glory. Delve into our latest turn based tactical RPG.

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.

Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.

A post-apocalyptic, turn based, tactical combat and strategy game where you lead your caravan on a quest for revenge.

Take control of the most technologically advanced army in the Imperium - The Adeptus Mechanicus. Your every decision will weigh heavily on the outcome of the mission, in this turn-based tactical game. Will you be blessed by the Omnissiah?

Lead a team of four Troubleshooters of dubious loyalty, who (mostly) obey orders from Friend Computer, a paranoid and irrational artificial intelligence. Inspired by the classic games of the CRPG genre, experience the first official adaptation of the cult role-playing game!

Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.

Year 2199. Assemble an elite crew and make allies to combat a shadowy organization threatening the future of humanity. Face overwhelming odds with strategy. Make your choices and save us from extinction.

Play as the Hero as he is dropped into the Hero Simulation Machine MKI and take-on a tower full of puzzles and monsters. Equip a variety of tools and weapons found in chests on each floor, that have limited uses and reset every floor, giving each one a unique challenge.

Void Eclipse is turn-based strategy in an immersive sci-fi world, blending card battle tactics with 4X grand strategy. Explore the stars, Evolve your army and Fight an alien threat. Help characters or harm them - will you be Feared, Admired, or Respected?

Harebrained Schemes' biggest Shadowrun game to date, and the definitive Shadowrun RPG experience available on PC. Now a standalone title with tons of new content & improvements!

Shadow Corps is a turn-based tactics game where you command a squad of elite soldiers on a mission to stop an ancient danger. Fight your way across the galaxy, craft and equip your troopers with cutting edge gear and use cunning tactics to defeat your foes. Are you ready to take command?

It's a turn-based, strategic, party building, RPG. Sort of like a Deck Builder, sort of like an Action RPG.

Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

Multiplayer strategy game with tactical turn-based battles. Lead a fireteam of Battle Mechs, improve specialization of pilots, install equipment and weapons. Production, researching and trading. Dueling, PvP arena and co-op up to 4 players.

The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.