wants to know how to merge

know how to merge nds files please anyone help

What exactly do you want to do? What do you mean by "merge" ?

i open the rar file and in the folder there are parts 1,2,3 how do i combine all or how do i play the game or wat do i do

Oh, just extract one and it will combine them all.Take a look in this tutorial.
https://www.romulation.org/forum/index.php?topic=3880.0

you use the .nds file only

so i only do the rar file not the oo1 oo2 the .rar file only and wat about the rest
Post Merge: [time]1262141482[/time]
thank you so much for the help the link and everything thank you again long live nintendo mario 86'