What makes a game the best of its genre? Is it the graphics? The gameplay? The content? It’s a question that will be asked over and over for every different genre and every different platform. So how does a game make it to our best online FPS list? Well, it’s a combination of everything, how the game plays, why we keep coming back, the graphics, the gameplay, everything! First Person Shooter games are some of the most popular games on the market right now and our list gives you a taste of what games you should play to keep on top of the trend.

10. Global Agenda

Global Agenda is an online team-based game by Hi-Rez Studios developed using Unreal Engine 3. The game mixes a science-fiction setting with a secret agent backdrop, leading the developers to refer to the game genre as spy-fi.

9. Combat Arms

Combat Arms is one of the most popular free to play FPS game for a reason; it features great balance, a ton of content, awesome character customization and tons of gear and perks.

8. Wolf Team

Wolfteam is a unique 3D MMOFPS. The most unique aspect of the game is that players can switch between playing as a ?Marine? in first person and as a ?Wolf? in third person at any time with the click of a button. The game is fast paced, balanced and truly one of the best MMOFPS games out there.

7. Tribes: Ascend

Tribes: Ascend is a free to play sci-fi online multiplayer shooter based on the classic franchise Tribes. It has been developed using the Unreal 3 Engine and it features a very fast combat, acrobatic movement and stunning sci-fi visuals.

Players will enjoy jetpacks, skiing, vehicles, multiple classes and team-based gameplay.

6. Alliance of Valiant Arms

AVA is a high-octane MMOFPS that plunges you into the middle of a world at war. Side with the European Union (E.U.) or Neo-Russian Federation (NRF) and take up arms across vicious urban battlegrounds. Test your skills against your friends and see if you have what it takes to come out on top!

Powered by the Unreal3 engine, AVA offers immersive gameplay with HD quality graphics. Engross yourself in stunningly rendered battlefields and feel the heat of combat in lucid detail. Realistic actions and character movements bring the warfare to life as you fight to survive in the ruthless alternative history world of AVA.

5. APB Reloaded

APB only made if a few months before being shut down due to management. Then GamersFirst came along and acquired the rights for this MMOFPS. After a revamp that included some features such as a new district and clan-based combat mechanics, they released the game to an eager community. APB Reloaded offers a one of a kind mix of third-person shooting and hard-core driving. The Criminals vs. Enforcers gameplay is extremely exciting one and the fictional city of San Paro acts as a perfect playground. If you like non-stop action, this is the one.

4. Battlefield Heroes

Battlefield Heroes is Electronic Arts free-to-play third person shooter. With stylish cartoony graphics, this game is aimed mainly at casual gamers or anyone who likes funny and cartoony gameplay, but still wants to show who?s boss when flaunting their skills.

Battlefield Heroes does not aim to displace or compete with the Battlefield series, which has been captivating gamers since 2002 with Battlefield 1942, as much as present a fun and free ?sandbox? style alternative to its counterparts. Quick battles and a built-in matchmaking system ensures both noobs and leet players are paired with equally skilled players, so that fair play prevails.

3. Battlefield Play4Free

Battlefield Play4Free is Electronic Arts second venture of Battlefield into the free to play genre. Unlike it’s sister game, Battlefield Heroes, Battlefield Play4Free is a much more serious game. It is based mostly on the highly acclaimed Battlefield 2 game and offers 32-player battles in a Middle East setting. Players choose between the United States and Russia sides and enter some exhilarating FPS action. There are 16 vehicles to use in the game maps, such as helicopters, tanks and fighter jets, making things even more chaotic.

2. Blacklight Retribution

Blacklight: Retribution is the latest from Perfect World Entertainment. This first person shooter mmo follows closely in gameplay formula with most of today?s blockbuster FPS titles such as Call of Duty and Battlefield series.

It is a fast paced, adrenaline pumping first person shooter based in a futuristic urban warzone. Building upon Zombie Studios? predecessor, Tango Down, Blacklight Retribution provides FPS enthusiasts with a massive arsenal of weaponry and gear ranging from bleeding edge side arms to massive mechanized Hardsuits.

1. Team Fortress 2

When Valve announced that Team Fortress 2 was going free-to-play they knowingly offered one of the finest shooters ever to thousands waiting to get their hands on it. It?s not just the brilliant cartoon visuals ? from which Battlefield Heroes was clearly inspired ? or the polished game mechanics, but also the humor that the charismatic characters bring to the matches. If there?s a free shooter out there that everyone must play, that shooter is Team Fortress 2.

We hope you enjoyed our best online FPS games list for 2012 and don?t forget to share your favorite MMOFPS games with us in the comments!