No, in Borderlands you can join any public online game or even an online game with a friend and use an already existing single player character. Then you can play single player again with that same character. When playing online all stat upgrades, guns, exp, etc. are saved and you can still play on single player with everything you've earned online
You can play the single player online yes.
Have you installed ModLoader and/or deleted the META-INF folder in the minecraft.jar.
Yes, Minecraft can either be played single player on a local save, or multi player on an online server.
There is no online play in Darksiders. This game is a Single player game only.
Online Chess?
Spore is not a massively multi-player online role playing game. Instead, it is referred to as a massively single-player online [real time strategy/god/life simulation] game, or merely just a massively single-player online game.
poptica is only an online game.
Eve Online is a multiplayer game only.
Of course yes, there are many single player games available online.
No but you can play single player
No, it is single player only. There is no online multiplayer.
You Cant, Its a Single Player Game