
There are also "mini-modes" such as Soccer and Fight Yard, mainly inspired from community-made mods of Counter-Strike Weapons There are many modes introduced in Counter-Strike Online and some of the significant and popular modes are Zombie Infection and Zombie Scenario. The game is constantly updated with new content every two weeks since its debut in 2008, it has gained numerous modes, maps, weapons, characters and items.

It is only playable in the United Kingdom, Russia, the Middle East, and North America so far. This game was introduced in Western countries as Counter-Strike Nexon: Zombies and available via Steam.

It was first published in South Korea, and is now available in Taiwan, Hong Kong, China, Japan, Indonesia and Vietnam.

Counter-Strike Online is a free-to-play MMOFPS PC video game with micro-transactions that is developed from original Counter-Strike with GoldSrc engine.
