PC User Reviews

Short but free (even without microtransactions) really fun coop tactical top-down shooter. It runs on source engine and has great re-play potential. I look forward to playing sequel. 7-/10

I used to play more of this on an old account. But the sad truth is - it's a dead game. When it was around - it was average at best. But now it's just a waste of time, and a waste of space.

Alien Swarm is an excellent game with loads of potential, but I must highlight that there is an even better and newer version available named Alien Swarm: Reactive Drop. It is also free and accessible on Steam. While both games are essentially the same, Reactive Drop offers numerous improvements, including additional campaigns, updates, PVP mode, and continued support. If you are a fan of Alien Swarm, I highly recommend giving Alien Swarm: Reactive Drop a try. Now, returning to the original Alien Swarm, it's a prime example of how a fantastic game can be left to decay over time. Despite this, it still provides a pure, enjoyable experience, especially when playing with friends. Although there is only one official campaign, the community has created numerous fan-made campaigns that enhance the game's replayability. However, it's essential to note that the player population in Alien Swarm might be relatively low. This is due to the significant draw towards Reactive Drop, which offers more content and features, leading players to migrate to the newer version, which as I said, is pretty much the same game. In summary, Alien Swarm is undeniably fun, and I encourage trying it out, particularly for the official campaign and the fan-made content. But if you're seeking a more updated and enriched experience, don't hesitate to give Alien Swarm: Reactive Drop a shot, as it builds upon the foundation of the original game and provides a superior gameplay experience.

O jogo e bem legal e a ideia e interessante mas a Valve poderia criar um segundo jogo

Интересная, но репетативная игра с видом сверху, которая очень напоминает Left 4 Dead, где приходится больше думать.

O jogo e bem legal e a ideia e interessante mas a Valve poderia criar um segundo jogo

Довольно неплохая кооперативная мочиловка, но очень короткая и однообразная. Компания очень короткая, а пользовательские карты очень плохие.

The game has a very limited field of vision. It makes it difficult to know what is going on at any given moment. Added with friendly fire and the reliance on teammates the game can't get past a 6/10.

Another success of Valve! Game which must be in every user library because it is so amazing. Well, NO thanks #GabeNewellMore. Valve "charity" isn't what I wanted, want now or ever will want. Ugly PR tricks from GabeNewellTurd and Valve, which without Steam will be closed an dead. #FreeGameIndustry #StopSteam

Красивый интересный кооп, поиграли с другов кайф.

Very good and fun game that you can play with friends. Highly suggest you to try.

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This game first caught my interest when I found out one of the devs of Narbacular Drop, the spiritual predecessor to the Portal franchise, worked on this game. So I looked into it. Basically, this game is Left 4 Dead except top-down, and has solid graphics thanks to Valve's Source engine. It's a good amount of fun, and is just as polished and well done as Valve's previous games. It doesn't have an investing story or complex alternate approaches for every match like BF does, but it's still well done, polished, and fun. Give Alien Swarm a shot.

A fun short campaign all for free put it on hardcore with some friendly fire and play with a friend, makes it just right, a selection of different classes to use but always forced to use a tech class no matter what is a dumb idea.

I have never played this game, however it is free. From what i have read it is an isometric shooter with alien bugs, which is amazing. Hopefully this review is helpful to those in need of such a great review. Thank you. Notice I have no misspelled words.

This game has a good back story, it is fun, challenging, and exciting for hours and hours. Unfortunately, the sound is awful and there is no single player,

A really fun game that is truly enjoyable in a multiplayer setting although I do hope they fix the Microphone issue soon that truly is annoying to play with friends and only get static.

The game shows you HD resolutioned graphics with online and offline co-op game **** game is wide view thirdperson but you can use firstperson using some console commands.Also On Steam Greenlit "Alien Swarm First Person now available to release. The Game supports customizable GUI like other Valve games (maps, huds **** should not spend your time reading more comments about game. Download it and play game!

I was recently introduced to this game with some friends, and its a blast. You can play though fine on lower difficulty with new people and has enough of a challenge for veterans. While a simple and small game, the controls are tight and the graphics vivid leaving me non butt-frustrated except when I goofed up. I would recommend this game to anyone with a couple of friends that want a co-op experience.

Alien Swarm is a great game, and I enjoy it. One this I don't like is that most enemies that you will see are the same. That's the only bad thing about this game that i saw.

A very good game the perspective from which you view your characters is great. Although, there aren't very many players playing this game you can easily play with 3 of your friends on your own dedicated server

I remember "Alien Swarm" being announced the day before it's release. "Where is the next Half-life" question still makes gamers nervous, but back then it seemed like a big joke to release a game that nobody was expecting. Yet Valve never disappointed me, this time was not an exclusion. "Alien Swarm" is 3rd person action shooter that may be called a clone of "Alien Breed". Frankly speaking, I would never pick up a game like that if it was not a product of such company as Valve. But it would worth any dollar. All levels of the game could be completed in less than an hour. But co-op experience and dynamic generating of alien hordes make each try a unique experience. Smart achievements, all of them I managed to unlock, added some more sense in replaying "Alien Swarm" The fact that the game is free of charge, makes me love it even more Needless to say, after release there were couple updates and that was all. The game was not supported any further by Valve, even developers never remembered it in any interview (it seems, everybody's mind is kept on HL, CS, TF, L4D and Portal). Try it, it is worth spending an evening on it.

One of the best free games in Steam. Seriously worth loading and getting achievements to this is really fun. Valve should use some time for updates to this game because it's not bad at all. And quite many people play it.

A wonderful, fast-paced action shooter. Spent a total of 45 hours playing the game, sure, the number of missions is small, but their fun, and can be played over and over. Don't bother with easy difficulty - real men start with normal right away, and eventually climb to Insane, and those who have the guts - Brutal (which I passed only once from start to finish. Something of the negative - flamethrower is the most viable weapon on higher difficulties, often incompetent team members, and the fact that so few people want to play medic that I'm probably one of the best medics around in the game now. Regardless, the game is free, and and you should make the most of it. You will not be disappointed.

This is a very good and fun game to play with your friends! Heavily inspired by the 2nd Aliens movie, it takes all the best from that sci-fi Aliens-like lore. The execution of the game's storyline is nice and of the gameplay elements just brilliant, powered by the Source engine. It plays as a top-down view 4-player co-op tactical shooter. There are 4 well designed classes of marines, each with its strengths and weaknesses: Sarge, Weapons Specialist, Tech and Medic. You'll need each of them, so the game inuitively encourages the co-op of 4 friends and is at its best in that. As you play and work together you will feel engaged and rewarded for cooperating and coordinating with each other. The campaign has a good pace with multiple missions and a nice variety of objectives and situations, like those you would expect from the Aliens series. Before each mission there's a briefing screen when you can review the map and objectives and select the best gear for it. There's also lots of weapons and items to unlock as you level up. There are some really nice touches, like being able to draw on the mission map with your mouse, either in the briefing or during missions, to help plan and coordinate strategies, or reviewing your performance after a mission with different charts and an animation of the teams progress on the map. Connecting your friends together in the same game is effortless via the main menu. It lets you create public or friend-only games and lists friends playing and friend-created games available, which you can join with a click - no dedicated servers needed nor ip details. The only downsides I found are that the in-game voice chat support had some noise and that there is only one official campaign. But you can always use skype for voice chat and there are more fantastic fan-made maps and campaigns, like for instance the MapPack 1.2 which you can easily find. All in all, an amazing free to play game with lots of fun to be had especially in a group of 4 friends.

Alien Swarm. Alien swarm started as a mod for unreal tournament 2004, until Valve hired those guys who created the mod and turned it to a full game (just like what Valve almost always does when making games - - most of them start out as mods). While I understand that Valve's games other than Half-Life are all but "fillers", or games for us play with while they make HL3, they really should be adding more support for them (yes, I made a conspiracy). I mean, why would you wait for a game that's really cool while playing a game with a lack of content and repetitive gameplay? Uh, yes, you could play Valve's other multiplayer games. They're good too. Alien Swarm can be quite fun at the start, but after that, that's just it! There's barely any customization (you can change your weapons, new weapons are given when a certain level is reached or when promoted), but after playing each class and level, you're done! That's just it! Do player-created maps help? Not really. There is no big alien variety, which is a HUGE disappointment. The lack of customization is a big downside, too. The playable characters/classes have bland personalities. The action intended in this game quite misses its goal. I've almost always felt bored playing this game. The theme and atmosphere is quite dull. I've never had the feeling of fear or sadness despite the game being dark and the occasional sight of body piles. (PDA's showing logs or journals of now-dead survivors didn't help either) They could've worked harder on that, it would make this game quite better. Why didn't this game get a lower score? Well, for a free game, the content here is fairly sufficient, and will be fun for.. well, not that long. Flaws aside, the leveling system is quite easy and fun, and there are quite interesting weapons like the Tesla cannon, the mining laser and others. Overall, this is not the best nor the worst around, and is best fun online and with friends, and the fact that this is a free game, it quite makes up for most of the flaws.

Again, fantastic visuals from Valve. The gameplay is very, very fun (even more so with real players) It's free. So you can't complain. Infact, I don't see why you'd complain at all. I see nothing wrong with Alien Swarm (well, other than when you join a match you get the usual high-level snob with their remarks on how low your level is, so therefore you must be a bad player) That's not Valve's fault.

It is a short but yet very good game to play with your friends. The only thing that made me wonder is why would you use a level up system to unlock stuff when the only way to gain level is to repeat the only campaign over and over again? The game is pretty solid, the animations are smooth and the gunplay is awesome. The content that can be unlocked is also pretty nice considering that Alien Swarm can be downloaded for free. So you should give it a shot, if it doesn't bug you that there is only one campaign...

A nice, little sci-fi co-op shooter game compliments of Steam - too bad it only comes with one campaign which you can finish in under an hour, but you can't complain about the price!

This game has beautiful graphics / sounds pretty good and flashy (Use the Source Engine), promotes the game to continue playing with a system of rewards (Exp, Lev, Weapons, etc.) and Steam achievements. At the same time also to encourage replayability of these maps have a system that changes the location of the items and the spawn of vermin or other factors, to make each game different from above. This very well optimized for the online and singleplayer. The CO-OP of the game is very good and very well done this is really interesting as they all depend on everyone. The only downside is that not much variety of maps (only 6 missions in a campaign), but the good thing is that you can add other mods using. And not forgetting the most important thing of this game, which is free, therefore it is extremely advisable to play it.

When I found out about a free source-powered game with aliens, I immediately felt like giving it a try, since I love the whole half-life continuum and alien-themed games in general. The game wasnâ

I liked the game, it was a long enough game to really sink some time into, while at the same time there was enough content in the game to unlock to keep it fresh, as well as give you goals to look for. the unlock-able content helped to make the game worth multiple playthroughs, and hey, even if it was awful, which it wasn't, you can't beat free.

It is free so I can't really complain. It's a bit of fun but will wear thin quickly. Even though I don't want to put you off trying it I seriously doubt whether you will play it for more than 10 hours.

"Alien Swarm" is a suprisingly fun 4 player co-op game with tons of stuff to do. You will have a good time upgrading and choosing characters and weapons to use for your battle with alien bugs. Oh and ****'s Free.

A generally good game, make that a generally great game. This gives you a new reason to stay up late, it's not scary, that's not what I meant, I mean it's addicting. Don't even THINK of going ahead, you'll need your team. It feels good blasting alien guts open with your friends, and it's a lot like L4D, but it's top-down and aliens instead of zombies. Bring your friends and it will give a good **** day.

The game lacks content, but it is truly a fun and addicting game allowing customizations and real time tactical game play with friends. and Oh did I mention it's Free?

Alien Swarm is a delightful game, especially being free. I remember when this was originally a mod for UT2004, back then it was extremely difficult. Now it's significantly more player friendly. Though not nearly as many players are online now, it is a great way to make friends. After beating the campaign the speed-runs are a wonderful way to draw that friendship even tighter as they require nearly perfect coordination amongst players. The game is dreadfully short, but that's perfect, because it honestly left me wanting more, which is the sign **** game. With server's so empty now, the worst thing about the game is that host lag will kick your butt. Seriously, everyone should have this game installed, for those nights when you don't want to pay any money, but want to play a great game.

For a completely free online multi-player shooter, this is fine. That is all you will get, and you should expect nothing more. The co-operative campaign can be completed in under two hours, and it is seven segments in length. There is a reasonable amount of weapons and equipment, but you will find that very few are worth using at all times. Enemy variety may be a problem for some as there are only ten different enemies in the game. After about six hours of this, you may grow tired, or you may be more interested in raising your level (which is not worth very much at all). In addition to these limitations, you will quickly realize that between zero and three servers with good latency are available at any time. There is fun to be had here, but it does not remain constant. There is simply not enough variation nor depth.

This game is free, and it's made by Valve. Those 2 are reason enough to get it. Anyone who gives it a bad rating because of some minor bugs should think again. Since it is free, you have to compare it to other free games. You can't compare it with a paid game, since that would be unfair. Since this game is all about coop, don't blame someone else for your bad ping, and complaining about friendly fire is stupid, because that only happens if you are playing with noobs or trolls. The only slight downside is that there is only 1 official campaign with 7 maps, but that is okay, since they have a lot of replay value. (For example, trying to get a speed run or playing on a higher difficulty, as the difficulties range from easy to brutal.) Overall, being a free game, it gets a 10 out of 10 from me, since there are very few free games that can match this. PS: Don't complain about Steam, it's the best network once you learn how to use it. All the "unnecessary" regulations are to prevent spammers, and some can be disabled if you don't like them.

Pretty cool game, since its free there is no reason why you shouldnt try it. Only thing that pisses me off is the amount of peeple who have no idea how to play, and usualy go leeroy jenkins style instead of co-operating, but thats problem with the people and not the game, try to get a friend to play with you and you should be ok.

Very well made top view shooter. Alien swarm is a hectic top-down view shooter, which is best played with a few friends, although still very fun online. Each player fulfills his or her role as either medic, sergeant, support or technician, while fighting hordes of different alien creatures with each their strengths and weaknesses. It IS a team based game, the longer you move up the difficulties you will realize this. Although it is very fun and challenging, the small amount of maps is a major downside. Although they are very replay-able, they will get very boring when you have played the maps 2-3 times. That said, the game is free to play, so it is a must to download and try out.

Alien swarm is, for a free game, is really well produced. Graphics are adapted, game play is easy to understand, and a great particularity is the non-human shape of aliens, which really is a plus in the game. There is no maps enough, but hopefully they can be created by players, which make this game complete, and really fun to play.

For a free game, it actually has enough to keep you entertained. The main thing that brought this score down is the adrenaline mechanic, especially if you don't have a good enough video card...

Basic top view shooter with unlocks and some RPG elements. It's got two pluses: the free price tag and online coop which warrants probably enough to at least try it out. But overall there's no new innovation here. They simply found another way to splice together two old school games, Gauntlet and Xenophobe.

This game is one of the 1st f2p on Steam, so it's a great plus: really good to play with friends, just need to create an account on steam. The multiplayer mode is as good as all classic steam games, easy to rejoin friends or other servers.

this is a great game but isn't quite there it has amazing potential but needs to be scrubbed up that little bit more. plus a few more guns and equipment would also help. it has no need for a story line but i suppose you would just be running round killing bugs if it didn't have one. but as this game is free download it and then shoot away at the mindless aliens.

Alien Swarm, for those who don't know, is a free game on (the mighty and honorable) Valve's game engine, Steam. It's very, very similar to Valve's zombie-apocalypse-shooter, Left 4 Dead; there are regular alien bugs, that the game refers to as "Swarm", just as Left 4 Dead refers to the generic zombies you mow down as "Common Infected". There are also several kinds of more powerful swarm, like shield-bugs, which can take a near infinite amount of punishment from the front, and still ridiculous amounts from the back, like L4D's "Tanks". The game plays like a dream, once you customize the controls to your preferences. Playing by yourself with bots is fun, but you don't accomplish all the things you do online, like new levels and weapons. There is only one set of missions to play through, though there is a free map editor for the game, which requires many tutorials and walkthroughs to use. The game online is one of the most fun co-op experiences I've ever had. My friends and I play the campaign straight through some nights! I would reccomend this game to anyone who can afford ****, yeah, and it's free.

The game is free, runs excellent, has a decent amount of replay value, and it's really fun. If you play the game without taking friends with you, you won't enjoy it as much but it's still fun. The only real gripe I have with it is that there isn't a tutorial to explain some stuff. It isn't hard to pick up but knowing the details of stats, guns, some of the game options when creating the game, and other misc. stuff helps a little bit. I think this game really shines when you are playing with friends. It is kind of like playing L4D with or without friends. All in all, I'd recommend this game because it is free and chances are likely that you will like this game.

L4D for idiots. L4D for the Hobo. L4D for the special's. ECT ECT. Just like L4D, YOU MUST NEVER SEPERATE FROM THE TEAM. Just like L4D, IT'S SCARY AS **** Just like L4D, AMMO IS SCARCE SO GET YOUR ASS UP AND LOOK FOR SOME BEFORE YOUR TEAM DIES. And it's free, so if you like "Good" Co-Op instead of a 10 year old stealin' all the health kits, and you're saving your pennies for something a bit more smart and more valuable to you, go get it!

Frantic COOPERATIVE Free Fun. In a world of mainly PVP games it's lovely to play some CO-OP again. The game can be quite brutal and some of the weapons are not that easy to use, but with a bit of patience and three friends, you can have a quite enjoyable evening!