I've been playing the PAL version, I think I found another difference in the phazon mines. The part where you use the spiderball to go down through the rotating things (not the bombus, the things with gaps that hurt you if you hit them), they don't seem to always be electrified in the PAL version like they were in NTSC. Also, when I got the artifact of warrior, the door didn't lock before I picked it up like it does in the US Player's Choice version, even though according to version differences it's supposed to. Very strange.
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