install fretz on fire onto a flash drive

hi im new here and im trying to install a linux distro onto a flash drive so i can play fretz on fire on my dads computer because he wont let me install any games in windows so i thought this could work
ok so im on ubuntu 9.10 and i have installed unetbootin and tested it with puppy linux and dsl and they both worked on my dads comp but id like to know if i can add applications to a .iso so i can just boot from the flash drive on my dads comp and play fretz on fire
uh sorry for the long run on sentence(hope u can understand it lol)

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Originally Posted by SmexyPenguin18

hi im new here and im trying to install a linux distro onto a flash drive so i can play fretz on fire on my dads computer because he wont let me install any games in windows

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-_-" same when i was kid X_X

Hello :) and Welcome to forums.

UnetBootin creates a Live media to use Linux. not a normal install.
To install or keep files persistent on flash drive, you have to install linux normally on flash drive. most of the distros can be installed directly on usb drives. just disable your HDDs from bios.

or you can use usb-creator available in ubuntu/mint

i have ubuntu installed but whats usb-creator

its a utility which create a live usb, allowing a persistant storage in your /home