Co-operative multiplayer game and complete code base available for free.
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リリース日: 2010年7月19日


Alien Swarm をプレイ




"(Free) Co-operative multiplayer game and complete code base available for free. Made by Valve."


Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.
Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.
Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.
  • Tactical, 4 player co-op action game with a top-down perspective
  • Complete game code and mod tools
  • Unlock persistent items by gaining levels
  • Over 40 weapons and equipment with countless loadout configurations
  • 4 unique classes and 8 unique characters
  • Matchmaking, Steam Cloud, Steam Stats
  • 64 achievements
  • Tile-based map generation tool
  • Powered by Source and Steam


    • OS: Windows® 7 / Vista / Vista64 / XP
    • Processor: Pentium 4 3.0GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
    • OS: Windows® 7 / Vista / Vista64 / XP
    • Processor: Intel core 2 duo 2.4GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
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記録時間: 23.5 時間
投稿日: 2015年11月5日
Alien Swarm is proof of Valve's willingness to allow their IP's the experience of rotting to death for their own personal gain via staff resource redistribution. Forget Half-Life 3; if this excellent game could only get a single 15-minute campaign, then there's no more hope for the niche fanbase of Valve's bygone excellence.
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61 人中 55 人 (90%) がこのレビューが参考になったと投票しました
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記録時間: 56.0 時間
投稿日: 2015年12月5日
Go all the way over to a nuclear warhead, prime said warhead for explosion, and then die because one of your team mates decided to weld a door to block your path.

11/10, best teamwork I've ever seen.

But no, seriously, play this game NOW, it needs players something fierce.
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44 人中 41 人 (93%) がこのレビューが参考になったと投票しました
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記録時間: 90.9 時間
投稿日: 1月14日
A great fun and free 4 player co-op top down shooter


Despite the low player count on this game I highly recommend getting the game and playing it, I'd advise bringing friends if you can but you can still find others playing. The game is short but offers a good amount of entertainment and alien killing action. And being free you have nothing to lose.


+4 player Co-op
+Varying levels of difficulty
+Levels and gameplay are entertaining
+Great atmosphere for fans of alien games
+Good amount and variation of weapons and equipment
+8 playable characters, each with their own pros and cons
+4 different roles/classes that encourage tactical team play


-Story itself is not good
-Not a lot of people play the game
-A lot of players only play for a TF2 hat
-Harder difficulties can be insanely tough
-Achievements to get but are not easy, hard to 100%
-Very short game, 7 levels or so and they are not that long

Download Size: 2045mb
Achievement Difficulty: Very hard to 100%
Hours to 100%: 50+

Rating: ♥♥♥♥/♥♥♥♥♥
Recommendation: Highly recommended since its free
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12 人中 11 人 (92%) がこのレビューが参考になったと投票しました
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記録時間: 1.4 時間
投稿日: 2015年12月19日
alright this game was better then expected

me and some friends were looking for some ♥♥♥♥♥♥ co-op free to play games and then stumbled uppon this gem. we decided to go ahead without looking at anything before hand. so there we were, all in the 4:6 glory playing on brutal.
it doesnt matter. this game was too. much. fun.

im not kidding. i thought that this game would be ♥♥♥♥♥♥. but it holds up. even if you suck and have no co-oprative skills and enjoy team killing, its still fun.

the controles are easy to figure out so you can literally pick this game up and play right away.

+can double turret in loadout
+team killing
+can camp in spawn 4 evah
+♥♥♥♥ing with others on dedicated servers

-team killing
-♥♥♥♥ing stock valve sound effects
-needing a tech all the god damn time

i honestly cant recommend this game enough
download it now, even a potao could run this.
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9 人中 9 人 (100%) がこのレビューが参考になったと投票しました
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記録時間: 856.0 時間
投稿日: 2015年12月3日
Custom map packs can be found Here:

The game is good. really good. It had- at one point- a player population higher than counter-strike. but there is next to no content in it, and there is a reason for that.

from what ive heard, Valve made this game as an experiment to see if a community could keep its own game alive. it was the sort of 'power to the people' thing that the unreal tournement mods had (hell, alien swarm WAS an Unreal Tournement mod.) . but they didnt really broadcast that knowledge.

They had a website to upload this content. That site was Swarm armory.

Not long after, the plug was pulled and Swarm armory never came back up. not much of its content was recovered/reuploaded somewhere else. noone could find the download links to the maps people were playing, and people gave up on looking for them. they concluded Jacobs rest was the only campaign they'd get to play, so they left to go play somthing else.
The things people worked hard on were altogether forgotten, and that made a good number of the map/mod developers just give up and move on to somthing else.
The only newcomers to this game are blokes looking for the parasite hat for TF2. they basically never stick around either, due to lack of content and any form of offical modding support.

however, despite the small community... there ARE people who play regularly, and as far as i know there ARE people who are still developing maps (slowly) . you just gotta look for them. hard.

only complaint: why the ♥♥♥♥ is a flashlight a high tier item, and why is nightvision not nightvison? lol
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