In Pokémon Stadium 2 the Mystery Gift feature is supposed to hand out every possible item, yet a coding quirk in the N64-era random-number routine leaves several rare prizes completely unreachable. I need a concise ROM hack that corrects the RNG logic so every item on the original reward table can actually drop, while still respecting the intended rarity curve—common items should stay common, rare ones should stay rare, just not impossible. Here’s what I’m looking for: • Locate the section of the game code (MIPS) that seeds or filters Mystery Gift results. • Patch or rewrite the function so the full item list is addressable and probability weights remain unchanged from Nintendo’s original design. • Deliver a verified IPS/PPF patch plus a short technical note describing the change, the address range touched, and how you confirmed that the once-missing rare items can now appear after a reasonable number of test pulls. I work with legitimate backups and will test on both Project64 and real hardware via EverDrive. If you already have experience disassembling N64 ROMs with tools like IDO, MIPS GCC, or N64Split, this should be a quick assignment.