Games like Book of Aliens
Looking for games like Book of Aliens? Here are top tactical role playing recommendations with a science fiction focus, selected from player-similarity data — start with Global Agent, The Fleet or A⁷ : Gateway Guardians.
1 Defend over 100 cities from an alien invasion and a deadly viral outbreak! Collect crystals, travel by train, upgrade your character, and master unique abilities. A dynamic 2D action game with strategy mechanics, an infection system, and character progression! Humanity faces a double threat. Alien creatures are invading our cities, while a mysterious virus is spreading rapidly through the populat…
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2 
43%Game Brain Scorestory, replayability58% User Score 24 reviewsTake back your home world from alien invaders! Forge an Intergalactic Alliance (with untrustworthy allies) to reclaim your planet; blast your way to victory with an ever-expanding arsenal. Will you sacrifice civilian lives to exact vengeance on your enemies?
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Gateway Guardians is a 1–5 player tactical co-op action RPG where your mission isn’t just killing enemies — it’s saving people. Your goal is to protect crowds of civilians, evacuate them, and coordinate as a team against escalating threats. One of our In-game characters, our character artists are from Diablo 4, Infinity Wars and others ❤ Key Gameplay Features: Rescue-Driven Combat – Evac…
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4 
55%Game Brain Scoregameplay, graphics87% User Score 15 reviewsGelluloid Domination is a fast-paced strategy game of fantasy biology. Start with a single fragile cell and expand across the network, assimilating rivals to grow your gel-powered army. Evolve mutations, unlock new abilities, and outmaneuver deadly pathogens. Adapt and conquer, expand or be consumed. Every decision shapes the network — will you achieve total domination?
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5 
75%Game Brain Scoregameplay, graphicsmusic, atmosphere75% User Score 87 reviewsIn this game, you are tasked with leading battles against fearsome monsters within confined arenas, where every decision you make can determine the outcome of the fight. Your primary responsibility is to strategically position your mercenaries before the combat begins, taking into account their strengths, weaknesses, and the nature of the enemies you will face. While the concept might seem straigh…
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6 
View Game68%Game Brain Scoregraphics, gameplaystory, music76% User Score 290 reviewsCritic Score 65%15 reviewsFortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology. Protect the city by building a network of defensive structures, commanding an army, and jumping into battle against dan…
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49%Game Brain Scoregameplay, graphicsstory, music56% User Score 36 reviewsCritic Score 55%1 reviewsThe Empire of the Machines is threatening the entire universe. The League of Aliens and the U.N.E. (United Nations of Earth) have banded together to defend the galaxy from the invader. Battles are raging everywhere, but it is inside the twisting corridors of the Machines underground production facilities, that the tactical upper hand is taken. And the war is won.
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8 
83%Game Brain Scorestory, gameplaygrinding, stability83% User Score 1,748 reviewsCritic Score 83%5 reviewsAnomaly Warzone Earth is an extraordinary mixture of action and strategy in a reversed tower defense formula. The game tasks you with saving a near-future Earth from an alien onslaught. The invaders have captured several of the world’s major cities, building huge turrets that destroy everything in their path. It’s up to you to lead an armor squad through the streets of cities like Baghdad and Toky…
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9 
Face the end in a high-intensity cinematic sci-fi shooter. Engage a colossal threat, rescue civilians, and survive relentless enemy waves in a city collapsing under the weight of the unknown. Your squad is the last line between humanity and total annihilation.
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10 
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
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