OK, I descovered this a long time ago. Play through levels 1-5 as Obi-Wan and succesfully get the Queen to the space ship.
When you play as Qui-Gon for the first time, kill yourself, Anakin, Padme or Jar Jar (Kill Jar Jar.
He's damn annoying) and the game will say 'Continue', 'Restart' and 'Quit'. Go to restart and check your items. You'll have the items Obi-Wan collected. (Key items. Not weapons.)
This may affect the weapons when you switch between Obi-Wan and Amidalla.
If you need more help, we've got more Star Wars Episode 1 The Phantom Menace cheats and also check out all of the answers for this game
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