Left 4 Dead 2 is releasing next week, and Amazon has a solid deal for you on the 360 version. You can pick the game up for $55 and you'll get $10 off future video game purchases. If you picked up any of their other deals recently, you probably already have some credit to burn!
You can even get the game on release date for only $5, or free if you are a Prime member. The PC version is available for $45.
Source: Link 

Saints Row 2 players who have the Xbox 360 version and a Live Gold membership can pick up the first episodic expansion - Ultor Exposed - on the Live Marketplace for 560 MS Points ($7 US) for this week only.
The expansion includes three co-op missions and a co-op metagame. Use our Co-Op Meet-Up forum to find some like-minded gamers to play Ultor Exposed online.
When you're done checking out this 30% discounted expansion, be sure to free up your schedule for our Official Xbox Live Co-Op Night and our Official Halo Waypoint Co-Op Night on Thursday and Friday, respectively!
Source: Link 
Right now for the next four hours, (deal is up sorry!) you can get the exlusive Slimer Edition of Ghostbusters for the Wii for only $38. Normally the edition runs for $60 on the Wii or $70 on the Xbox 360 and PS3. So what else do you get besides the game for the extra dough?
Included in the Slimer Edition:
- An exclusive Slimer bust designed and created by the original movie sculptor, Steve Johnson. Comes complete with a certificate of authenticity signed by the sculptor himself.
- Exclusive Ghostbusters Gamer Graffix Skins.
- An exclusive (in the US) Ecto1 Key Chain that lights up and makes a siren sound.
As an owner of the 360 Slimer Edition, the statue makes an excellent addition to your shelves. It's a quality and hefty piece of art. If you remember, the Wii version of Ghostbusters was, in our opinion, the better tuned experience for co-op gamers compared to the next gen console versions. It offers two player local co-op play through the game's story.
Source: Link 
The battle is truly on for your fall gaming dollar as Amazon has unleashed a killer deal for gamers. While normally they offer a $5 or $10 credit for preordering titles through their site, this deal trumps them all.
When you spend $80 on qualifying games, they are going to give you $40 in credit towards future game purchases. The list of eligible video games is about 600 titles deep, and titles like Uncharted 2, Borderlands, Marvel Ultimate Alliance 2, Operation Flashpoint 2, and The Beatles: Rock Band are all on the list.
Source: Link 

PlayStation 3 and Xbox 360 owners can get their four player co-op zombie on this week for half the price in Call of Duty: World at War. All three map packs are 50% off this week. That gets you the three co-op maps: Der Riese, Shi No Numa, and Verruckt - quite the bargain. Oh sure, you also get almost a dozen other multiplayer maps, but you want to kill zombies. We know it.
So while everyone else is playing the Left 4 Dead 2 demo today because you didn't preorder, you won't feel completely left out. You'll still do your part to find back the impending zombie horde. 360 owners and queue their download here, PS3 owners hit up the PlayStation store.
Amazon.com is offering a Buy 2 Get 1 Free promotion, or as they call it, 3 For 2, on a good chunk of video games. This isn't just older titles, but a lot of newer titles as well.
A quick gander at the list reveals a few co-op titles as well like: Operation Flashpoint 2, Madden 10, Guitar Hero 5, Beatles Rock Band, NHL 10, Gears of War 2, Halo 3, Call of Duty: World at War, and Star Wars the Clone Wars: Republic Heroes.
In a season of gaming when wallets are empty due to a plethora of new releases, a deal like this is very welcomed. And remember, all purchases using the above link help support Co-Optimus!
Source: Link 

Borderlands for the PC is a little further away than the 360 and PS3 versions of next week (OMG NEXT WEEK!), but that gives you plenty of time to organize a group of four people for this co-op deal Steam is offering.
You can pre-purchase a four pack of Borderlands for only $135, basically getting one copy of the game for free. In the end that comes down to $33.75 a person for some co-op gaming goodness. Yes please!
Of course if you are still on the fence for the game, perhaps the game's TV spot will sway you over the proverbial fence and into the Borderlands.

Steam's preorder deals are becoming legendary in their value and bonuses, and the latest one for the four player co-op Painkiller Resurrection. It's been a long time since we've even heard anything about the title, but the game is now only two weeks away.
The package comes with Painkiller Black Edition and Painkiller Overdose, the game's prequels. While neither offered co-op, it's a decent value with the current $26.99 preorder price for all three games. Painkiller has always been about bizarre and fun weapons - like the stake gun. There was nothing better in the original than staking guys to the wall and watching them dangle like baby dolls on a clothesline.
While waiting for Diablo 3 to be released next year...or the year after...you might want to crack out your old Diablo or Diablo 2 discs for some good ol' fashioned co-op gaming. Perhaps a friend never returned them, or you are in need of another copy for some late night co-op sessions with the family.
Amazon is running a killer deal right now on the Blizzard's various battle chests. You get both Diablo 1 and Diablo 2 as well as the Lord of Destruction Expansion for Diablo 2. Packed in with all that goodness is a Diablo 2 strategy guide and you'll be ready to take on the hordes of hell with your friends. The pack works on both Mac and PC, and there's also chests for Starcraft and Warcraft for the same price.
The pack usually retails for $39.99 but Amazon has their Deal of the Day today with the Battle Chest for only $19.99. The deal expires midnight tonight!
Source: Link 

A new batch of games has been given "Platinum Hits" status from Microsoft. "Platinum Hits" are value priced editions of well reviewed, high selling titles. Out of the five titles selected, three of them feature co-op: Grand Theft Auto IV, Left 4 Dead, and Saint's Row 2! If you haven't picked up a copy of one of these yet, perhaps now is the time.
Source: Link 


| Game | Platform | Date |
| Star Trek: D-A-C | 11.21.2009 | |
| Serious Sam HD | 11.24.2009 | |
| Star Trek: D-A-C | 11.27.2009 | |
| GREED | 11.29.2009 | |
| Avatar | 12.01.2009 | |
| Alien Breed Evolution | 12.01.2009 | |
| Spelunker HD | 12.01.2009 | |
| Resident Evil: The Darkside Chronicles | 12.01.2009 | |
| Matt Hazard: Blood Bath and Beyond | 12.01.2009 | |
| Matt Hazard: Blood Bath and Beyond | 12.01.2009 | |
| Serious Sam HD | 12.21.2009 | |
| Guitar Hero Van Halen | 12.22.2009 | |
| Guitar Hero Van Halen | 12.22.2009 | |
| Guitar Hero Van Halen | 12.22.2009 | |
| Guitar Hero Van Halen | 12.22.2009 |
Co-Optimus Co-Op Events
Our monthly Xbox Live Co-Op Night gets you online to meet other co-op gamers. An Official Xbox Live Event!
Games for Windows Co-Op Night features monthly PC co-op gameplay. An Official GFW Event!
| Game | Platform | Added |
| UP | 11.20.2009 | |
| UP | 11.20.2009 | |
| UP | 11.20.2009 | |
| Diner Dash | 11.19.2009 | |
| Conflict: Vietnam | 11.18.2009 | |
| Conflict: Vietnam | 11.18.2009 | |
| Conflict: Vietnam | 11.18.2009 | |
| Conflict Global Terror | 11.18.2009 | |
| Conflict Global Terror | 11.18.2009 | |
| Avatar | 11.12.2009 |
Uncharted 2: Among Thieves on Playstation 3
Call of Duty: World at War on Wii
AI War on PC
Castle Crashers on Xbox Live Arcade
Pixel Junk Monsters on Playstation Network
View the top Co-Op Games by platform including our family friendly list!
Launched January 28, 2008, Co-Optimus is a website dedicated to cooperative games. The site features a focus on co-op games through a game database, blog style commentary, and featured articles. Our goal is to bring you the most comprehensive source of co-op gaming information and to inform gamers about the co-op experience.














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