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Alien Invasion Strategy Games

Explore alien invasion strategy games that put planning and tactical decisions at the center of defending against extraterrestrial threats. Check each game’s description for turn-based or real-time gameplay, resource management, and base-building elements, then confirm platform compatibility to find a match for your play style.

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  1. Halo Wars 2 Standard Edition - XBOX One, Windows [Digital]

    SKU: JCQ6Q68RPC

    Love it...Love it!!!!...I love this game. I gave away my Xbox, but had to get this for my PC.

    Product Description

    A real-time strategy game where you command Spartans and vehicles in epic battles against a new enemy.
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    Your price for this item is $39.99

  2. Code Name: S.T.E.A.M. Standard Edition - Nintendo 3DS

    SKU: J7GSL4H6ZV

    Product Description

    A steampunk-inspired, turn-based action-strategy game featuring unique heroes, comic-book visuals, and 3D battles.
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    Your price for this item is $20.99

  3. Gears Tactics Standard Edition - XBOX Series X, XBOX Series S, XBOX One, Windows [Digital]

    SKU: JCQ6HRH4TC

    Great fun time killer...If you love Gears, you have to take a spin at tactics......Great title, great delivery

    Product Description

    A fast-paced turn-based strategy game featuring tactical combat and squad command across Xbox and Windows platforms.
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    Your price for this item is $39.99

  4. Gears Tactics Standard Edition - XBOX Series X, XBOX One

    SKU: J3ZKK5LV95

    Best buy price is

    Product Description

    A fast-paced, turn-based strategy game featuring brutal combat and squad tactics set before Gears of War.
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    Your price for this item is $44.49

  5. XCOM 2 Deluxe Edition - XBOX One [Digital]

    SKU: JCQ6QWFSQJ

    Product Description

    A turn-based strategy game for Xbox One featuring digital download and enhanced Xbox One X support.
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    Your price for this item is $59.99

  6. XCOM 2 Standard Edition - XBOX One

    SKU: JXHY5R8ZVJ

    Product Description

    A turn-based strategy game for Xbox One where you lead a resistance against alien occupation.
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    Your price for this item is $26.99

  7. XCOM 2 Collection - XBOX One

    SKU: JXHY5R9KX5

    Product Description

    A turn-based strategy bundle featuring the base game, major expansion, and four DLC packs for Xbox One.
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    Your price for this item is $27.41

  8. Into the Breach - Nintendo Switch [Digital]

    SKU: JCQ6HSYXW7

    Great roguelike...Great strategy type game if you’re into this style.

    Product Description

    A turn-based strategy game where you command mechs to defend humanity from underground alien threats.
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    Your price for this item is $14.99

  9. Space Hulk: Tactics - PlayStation 5, PlayStation 4

    SKU: J3QZQK8SGL

    Product Description

    A turn-based strategy game where you command Space Marines or Genestealers with customizable squads and map creation.
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    Your price for this item is $19.99

  10. Sid Meier's Starships - Windows [Digital]

    SKU: JCQ6RZ5C6R

    I love Starcraft and Command and Conquer and was hoping this would live up to them.

    Product Description

    A turn-based strategy adventure where you command starships, complete missions, and build a planetary federation.
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    Your price for this item is $14.99

  11. Halo Wars 2: Awakening the Nightmare Standard Edition - XBOX One, Windows [Digital]

    SKU: JCQ6HX2XHK

    Best of its genre for sure. Hoping for a third to come out

    Product Description

    An action-packed real-time strategy expansion featuring new campaigns, multiplayer leaders, and tower defense mode.
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    Your price for this item is $19.99

  12. XCOM 2 Collection Standard Edition - Nintendo Switch, Nintendo Switch Lite [Digital]

    SKU: JCQ6HR8WCZ

    I had never played a turn based strategy game before, but this was a great and fun game.

    Product Description

    A thrilling strategy collection featuring XCOM 2, four DLC packs, and the War of the Chosen expansion.
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    Your price for this item is $49.99

  13. XCOM 2 War of the Chosen - Windows [Digital]

    SKU: JCQ6H23LS5

    Product Description

    An action-packed digital expansion introducing new hero classes, enemies, missions, and strategic depth for Windows.
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    Your price for this item is $39.99

  14. Defense Grid 2 - Nintendo Switch [Digital]

    SKU: JCQ6H988V6

    If you enjoy tower defense games, you’ll love this.

    Product Description

    A strategic tower defense game featuring intuitive controls and deep gameplay for Nintendo Switch digital play.
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    Your price for this item is $19.99

  15. Space Crew - Nintendo Switch, Nintendo Switch Lite [Digital]

    SKU: JCQ6HRZJQC

    Product Description

    An action-packed digital strategy game where you command a crew to defend Earth from alien threats.
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    Your price for this item is $19.99

  16. XCOM: Chimera Squad - Windows [Digital]

    SKU: JCQ6HRCTFR

    One of the Best...I absolutely LOVE the X-Com series. This one definitely does not disappoint. Highly recommended.

    Product Description

    A turn-based strategy game where human and alien agents unite to combat threats in City 31.
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    Your price for this item is $19.99

  17. Sid Meier's Civilization Beyond Earth - Windows [Digital]

    SKU: JCQ6HY9G9Z

    Product Description

    A turn-based strategy game where you lead humanity to colonize and thrive on an alien planet.
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    Your price for this item is $39.99

  18. Aliens: Dark Descent Standard Edition - XBOX Series X, XBOX Series S, XBOX One [Digital]

    SKU: JJGXP263QQ

    Product Description

    A real-time strategy game where you command Colonial Marines to battle Xenomorphs and manage squad survival.
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    Your price for this item is $39.99

  19. Nintendo - Spacebase Startopia for Nintendo Switch - VIDEOGAMES - Nintendo Switch

    SKU: J3R7G5VC8P

    Product Description

    An engaging space station simulation game blending strategy, humor, and multiplayer modes for Nintendo Switch.
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    Your price for this item is $30.04

  20. Out There: Ω The Alliance - Nintendo Switch [Digital]

    SKU: JCQ6H96J3G

    Product Description

    An award-winning space exploration game featuring resource management, spaceship upgrades, and mysterious alien encounters.
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    Your price for this item is $14.99

  21. XCOM 2 War of the Chosen - XBOX One [Digital]

    SKU: JCQ6H238ZK

    Product Description

    An action-packed digital expansion introducing new hero classes, enemies, missions, and strategic gameplay depth.
    See all Add-Ons
    Your price for this item is $39.99

  22. XCOM: Ultimate Collection - Windows [Digital]

    SKU: JCQ6HQ8Q49

    Product Description

    An immersive digital collection introducing the acclaimed turn-based strategy series for Windows gamers.
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    Your price for this item is $148.99

  23. Out of Space Couch Edition - Nintendo Switch, Nintendo Switch Lite [Digital]

    SKU: JCQ6HRFXX7

    Product Description

    A cooperative digital board game where players build a spaceship and battle alien infestations together.
    See all Game Downloads
    Your price for this item is $9.99

  24. Sid Meier's Starships and Civilization: Beyond Earth Bundle - Windows [Digital]

    SKU: JCQ6RZ4S86

    Product Description

    A digital bundle offering two turn-based sci-fi strategy games for Windows with exploration and space combat.
    See all Game Downloads
    Your price for this item is $59.99
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Alien invasion strategy games challenge you to defend Earth through careful planning, resource management, and tactical combat rather than reflexes alone. Depending on the game, you might command a squad of soldiers, coordinate planetary defenses, or build a resistance against an extraterrestrial occupation. Turn-based strategy games give you time to evaluate cover, positioning, and attack options before committing to a move, while real-time strategy games emphasize quick decisions and coordinating multiple units under pressure. Base building and technology research can add another layer of strategy, requiring you to balance immediate survival with long-term upgrades. Deciding whether to invest in stronger defenses, better reconnaissance, or advanced weapons can shape your approach to the next encounter. For players who enjoy science fiction strategy games, the appeal often comes from adapting to unfamiliar enemies and making the most of limited resources. Finding an alien invasion strategy game that fits your play style starts with considering its pace, complexity, and campaign structure. Squad-based tactical games may appeal to players who enjoy developing individual characters and choosing specialized abilities, while larger-scale military strategy games can focus on production, territory control, and managing an entire fighting force. Look at whether a game offers adjustable difficulty, tutorials, or customizable campaign settings, especially if you are new to tactical strategy games. Features such as procedural missions, branching research paths, and different enemy behaviors can increase replay value, but availability varies by title. If you prefer playing with friends, check whether the game supports cooperative missions or competitive multiplayer rather than assuming those options are included. Before choosing a PC strategy game, review its system requirements; for console games, confirm platform compatibility and any online subscription requirements associated with the modes you want to play.

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FAQ

Alien invasion strategy games put you in command of humanity’s response to an extraterrestrial threat. Gameplay often combines tactical combat with resource management, technology research, and decisions about where to deploy your forces.

Turn-based games let you issue orders during separate turns, giving you time to consider movement, positioning, and abilities. Real-time games keep the action moving while you manage units and respond to events. Some games combine these formats or include a pause feature for issuing commands.

Base building can provide a management layer between battles. Depending on the game, you may construct facilities, assign research projects, develop equipment, and organize personnel. Other games focus primarily on battlefield missions rather than building and maintaining a headquarters.

Many alien invasion strategy games feature campaigns that connect missions through an ongoing story. Campaigns may include alien discoveries, character interactions, and choices that influence later events. Some games also offer standalone scenarios or sandbox modes for a less story-focused experience.

Customization may include soldier names and appearances, squad roles, equipment loadouts, and ability progression. Some games also let you choose research priorities or adjust campaign settings. Available options vary, so game descriptions can help you compare the features that interest you.

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Best Buy Canada

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.