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You are not comparing pvp and pve. You compare multiplayer vs singleplayer. Both pvp and pve are multiplayer.

All three have their audience. If you are single developer, multiplayer is hard. Especially real time multiplayer. And there is the question, if it is mandatory multiplayer or optional. Is the core game a multiplayer experience, or is it just something that could be shared by several people playing together. Or is the game fun only there, because you can play against other players.

In games, pvp is very popular. It's just, that pvp is so often seen in real world. Be it chess or any sports.

I am hard pressed to find real world examples of pve. I believe those evolved from the fact that in computers and board games, you have to face the problem of a sore loser - and of grievous play. And pve is somewhat easier to implement in a computer game, than in a sports event. So they are there, because it is possible. You now only face the problem, if the pve game should be playable by one person or if multiple persons are mandatory.

It is a complex question and there is no straight answer. I depends too much on the type of game. And of your capabilities to actually implement any such game.

i think i misunderstand something isn't PVE = Player VS CPU(SinglePlayer) and PVP = Player VS Player(Online)?

The way I heard that term first time, long, long time ago, it was player versus player and player versus environment. But the context was multiplayer, massive multiplayer online role play game, to be precise. 

mmorpg servers could be split into pvp and pve, where you can attack other players without their consent on pvp, and only with consent on pve servers.

The way I perceive the terms nowadays, pvp is used to indicate competitive multiplayer. For "pve", the more popular term used is coop/co-op.

The term(s) probably evolved. Maybe not as bad as rogue-like. But I never heard pve used as a synonym for single player. 

thanks for correcting me in this case i asked the wrong question cause i meant SinglePlayer and multiplayer