Play Alien Warfare online for free

Planet Earth has been invaded by hostile aliens that want to take over the world. Your area has already been seized by them and you're the only one left. Your mission is to stay alive as long as you can and kill all those aliens together with their humongous bosses. Make use of the weapons and med kits that were scattered all over the terrain. Destroy them all and live as if it was your last day on Earth!

Alien Warfare is available on GameBig.Net as a browser game. You can launch it when you are ready (use the green Play button below so the game only loads after you choose to play, which keeps the first view of this page lighter for visitors on slower connections).

Our editors describe each title with the official short description when provided, list the default controls, and link related games so you can discover more in the same genre. If you need help with account issues, removals, or partnerships, use the contact page so we can respond by email.

Topics and tags: 1 Player, Alien, Bow, First Person Shooter, 3D, Gun, Monster, Y8 Account, WebGL, Y8 Highscore, Y8 Achievements, Survival Horror, Third Person Shooter. These labels help you find similar games from our catalog without leaving the site.

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Alien Warfare 57,021 plays
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About this game on GameBig.Net

Summary. Planet Earth has been invaded by hostile aliens that want to take over the world. Your area has already been seized by them and you're the only one left. Your mission is to stay alive as long as you can and kill all those aliens together with their humongous bosses. Make use of the weapons and med kits that were scattered all over the terrain. Destroy them all and live as if it was your last day on Earth!

Audience. Titles on GameBig.Net are aimed at casual players looking for short sessions in the browser. Difficulty and themes vary by developer; use tags and related games to narrow what you like.

Fair play. Scores and achievements depend on the third-party build we embed. If something looks broken after an update, reload the page once or report the game with the flag button above.

How to play — controls for Alien Warfare

Follow the scheme below while the game window is focused. On desktop, click inside the game area first so keyboard input reaches the title.

  • Move
    Jump
    (Left): Sprint
    (Left): Crouch
    Prone
    Lean Left
    Lean Right
    Use and Move Item, Move NPC
    Toggle Mouse Cursor
    Change Camera
  • Look Around
    Shoot
    Zoom/Block
    Select Weapon
    Reload
    Fire Mode
    Holster Weapon
    Select Grenade
    Throw Grenade
    Backspace: Drop Weapon
    Melee Attack
    Enter Bullet Time
    Toggle Dead Zone Aiming
  • Fullscreen (page)

Tips for a smoother session

  • Close unused tabs and pause large downloads so the browser has free CPU for Alien Warfare.
  • Use fullscreen when supported for a stable aspect ratio and fewer accidental clicks outside the frame.
  • If audio is blocked, interact once with the page (Play counts) so autoplay policies can unlock sound where the developer allows it.
  • Bookmark this URL if you plan to return; the same page will list updated play counts and community rating over time.

Frequently asked questions

Is Alien Warfare free here?
Yes. We host a free-to-play embed on this page. Optional ads on the site may appear according to our policy and your region.
Do I need to install anything?
No app store install is required for typical HTML5 games. Flash-era titles may use in-browser emulation (Ruffle) when marked as SWF.
Can I play on mobile?
Many games support touch; some are keyboard-first. If controls feel awkward, try rotating the device or switching to a desktop browser.

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