This was a huge problem in GTA 4 to consumers. The idea of multiplayer was not clearly visible. All that is needed to join multiplayer is the phone. On the phone there is a free play selection. Click it and you shall start the game.
you need to have a psn account then get some friends that have an account too add them and tell them if they have gta iv then in gta iv get your cellphone out and scroll down and you will find multiplayer option :) hope i helped p.s if it is on xbox360 then idk i don't have xbox i have ps3 slim anyone welcome to add i have gta and we can play home add me. alexis522 ;)
there is no option to play two player on GTA 5.
online yes offline no
Yes, you need to pay to play online on play station 4 Examples GTA Online The Crew
you can play online on www.newgrounds.com
yes
You will need a PlayStation Plus membership if you wish to play the online multiplayer on your PS4. The same goes for Xbox One, where you are required to have Xbox Live membership if you want to play GTA
by mouse
Omg, you already are niko. However on online you play as someone else and no you can't play him online.
I'm afraid that the only way to play 2 player on GTA IV is to go online...
Xbox Live is required to play games online. So unfortunately you can not.
yes
Yes GTA IV has online gameplay. No CO-OP however.