Counter-Strike Online is a version of Counter-Strike targeted towards Asia's gaming market. It is developed by Nexon Corporation of South Korea with oversight from license-holder Valve Corporation, essentially modified Counter-Strike v1.6 with bits and pieces assets from Counter-Strike: Condition Zero. It uses a micropayment model that is managed by a custom version of the Steam back-end.
The game is originally released in various Asian countries: South Korea, Japan, Republic of China, Taiwan, Singapore/Malaysia, Indonesia and Thailand, before released in Turkey, and then released for Russia, Europe and Americas as Counter-Strike Nexon: Zombies. A recent update would finally allow the latter three of the Asian countries mentioned above after their service had long shut down.
Aside from the same-old-same-old look of Counter-Strike 1.6 with bits and pieces of Condition Zero, Online naturally provides more original content for the game, new weapons, player models, game modes and much, much more. Some game modes are based on custom mods for the original Counter-Strike, such as Zombie Mode, Zombie Scenario Mode, Gun Deathmatch, Fight Yard and such.
It also has a sequel simply titled as Counter-Strike Online 2, which is a beast of its own as it's built from the ground up with the Source engine, unlike its predecessor. Unfortunately, it was shut down in 2018 and didn't even have an English-language version (while both Counter Strike Online and Nexon Zombies stay up and running while still adding new content).
Includes examples of:
- A.K.A.-47 - Zig-zagged. Korean, Japanese and Taiwan versions, straight up calls them by their original name (i.e: AWP), but Malaysian/Singapore and Indonesian versions calls it by Condition Zero titles to ease up the localization work (i.e: Magnum Sniper Rifle). Some names are consistent between all regions, like calling the Desert Eagle as the Nighthawk .50c or the Barrett M95 as-is.
- Allegedly Free Game:
- You should see this coming, since it's a South Korean made MMO. It's a blessing that cash point items (weapons, model skins etc.) may be sold with a permanent status, which sits in your inventory forever. Not to mention that the entire CS 1.6 content, plus exclusive maps, is available for all players for free.
- To make a duration permanent, 1000 Duration Extenders is needed. However, this does not apply to weapons with red rarity and above.
- The Epic Fragment event can be quite a money sink just so you can get the Epic-rarity weapons (Gungnir and Dread Nova are the only two weapons in this rarity at the moment), and if you're not buying decoders to get the rest as a free player, chances are your attempt will stop short of getting the M3 Black Dragon.
- Announcer Chatter - In tradition with the custom mods of the original, Nexon provides their own announcer chatter for both CSO and its sequel.
- Anti-Frustration Features - At least, Nexon Zombies is much, much more lenient and less cash-heavy compared to other countries. While they taken out the free mileage decoder from daily play, players can accrue mileage coupons daily or event decoders from daily login or event rewards. This can be used to buy weapons from the Mileage Auction. Previous, older Transcendence weapons had a chance of being given out for completely FREE, even the +6 version is an event reward in Nexon Zombies.There's a lot to list in this that makes the RU/EU/US version a much more favorable version for cash-strapped players.
- Armor Is Useless - You can buy a helmet, vest, or both. They barely lessen the damage taken - they're the difference between five bullets killing you and four bullets killing you. Realistically, though, the armor is more effective against sub-machine guns and pistols (except the Deagle) than against heavier arms and also protects well against grenades. In Zombie Scenario Mode, they are effective in lessening the damage you get from the melee-ing zombies. Played straight in Human Scenario Mode, since they doesn't seem to affect the amount of hits you can take before your screen turns completely red.
- Bling Bling BANG - The gold-plated versions of regular guns quickly falls into this quickly. The 10th anniversary gold weapons are even shinier and have better stats than the regular drab gold ones.
- The Republic of China version is noticeably guilty for this, changing the color of blood into green. It doesn't stop there, due to the rather gruesome look of the Regular Zombie, they are replaced with the models of the Psycho Zombie which in other releases pop smoke. The proper smoke-popping Psycho Zombies are Palette Swap. The blood-drenched gown of the host Light Zombies are clean.
- If you are playing with a juvenile Nexon account for South Korea, blood is censored and painted yellow, while the red blood in the screen for Human Scenario Mode turns dusty.
- Country Switch - Non-Asian version of this game is called Counter-Strike Nexon: Zombies
- Gatling Good - Various man-portable M134s are available in Counter-Strike Online, each with its own ability.
- Guns Akimbo - The Dual Beretta Elites are no longer the only dual-wield weapon in Counter-Strike Online. There's now dual wielding for a lot of things.
- Leeroy Jenkins - Just go on the online games. No one works together, unless they're in clans.
- Lethal Joke Weapon - The Decoder exclusive Lightning Series weapons lives in this trope. Let's see, a guitar gun, a violin, two water guns, an umbrella shotgun and a lot more. There's even a currently released (purchasable) weapon which makes you hold a super-deformed, fat heavy zombie that literally farts at whoever you point and shoot.
- The Brick Piece series of weapons are also basically this, since they are lethal LEGO-constructed weapons, all of them with alternate fire that transforms it into a military artillery vehicle. The Brick Piece T50 for example turns the machine gun into a handheld tank, complete with animated soldier who salutes and loads the gun.
- Money Spider - The zombies in Zombie Scenario drops chests with various treasures inside. Troops in Human Scenario Mode gives you spoils randomly.
- Palette Swap - Some weapons suffer from this. Christmas version, Red versions, Gold versions, etc.
- Zombies in Zombie Scenario Mode also does this, and they are slightly different depending on the color. Dark orange, green, black, and so on and so forth.
- Ditto that with the map dm_gallery and dm_kart.
- Qurac - de_dust and de_dust2, with their two variants, and the Human Scenario map, Desert Storm.
- Rare Guns - And as a staple for games in this genre, weapons such as the Jackhammer, AN-94 and such exists for use. Their usefulness however varies.
- Random Number God:
- The game's daily roulette, bingo, decoders, crafting and weapon enhancement is mostly heavy with this. The decoder feature can be used to get rare weapons or previously-released permanent weapons. Decoders at least rewards use with Mileage Points (which also given out regularly) which can be used in the semi-permanent Mileage Auction.
- Regenerating Health - Only in Human Scenario Mode for the bloody screen kind.
- Right-Handed Left-Handed Guns - Again, zig-zagged. Certain weapons are made to mirror correctly, some doesn't.
- Sawed-Off Shotgun - Comes in two flavors, Double Barrel and the Quadbarrel.
- The regenerating health feature in CSO's Human Scenario Mode is similar to those in the recent Call of Duty games.
- The Decoder exclusive weapon, the Dragon Claw, is a pair of knuckle dusters with claws.
- Some weapons have reload animations that are either similar or direct lift from a different game. The MK3A1/Pancor Jackhammer in CSO, for example has the exact reload animation used in Battlefield 3.
- Standard FPS Guns - Until they started releasing the anti-zombie guns and premium weapons anyways.
- Sticks to the Back:
- Non-gun example in the game: the Heavy Zombie's butcher knife sticks to the back when holding the zombie grenade, while the Stamper have an iron maiden on his back.
- Played straight in Counter-Strike Online 2, however.
- Super Senses - Hearing, specifically. Not just in competitive modes, improved hearing in Zombie Modes would probably save your life, if not being a Paranoia Fuel for loners and last man standing.
- Terrorists Without a Cause - Averted with the new characters. While the original models has their own goals, the more recent characters introduced in CSO is more on opposing the government because of their Super Soldier Project which is connected with the Zombie Apocalypse.
- Throw-Away Guns - A sometimes effective strategy, both offensively (for Leeroy Jenkinses) and defensively (No time to reload because the enemy is rushing you? Throw away your gun and grab a dead guy's gun!).
- Western Terrorists - Militia, Arctic Avengers and Phoenix Connexion, from The US, Sweden(!) and former Soviet Union respectively, and then joined by the Vigilante Corps and the National Liberation Campaign, which are based off the IRA and ETA respectively.
- Zombie Apocalypse - As a nod to the mod of the original Counter-Strike, Counter-Strike Online is blessed with three types of Zombie Apocalypse game modes, Zombie Mode, Zombie Scenario Mode and Zombie Escape. Zombie Mode is basically Infection while Zombie Scenario Mode is NOTD/Zombie Riot with several changes. Zombie Escape originates from a mode of the same name from Counter-Strike Source.