Xenosaga Episode I: Segment Addresses and Decoders

Each Segment Address needs its matching Decoder. You can use the table on this page to track your progress. Mark the Decoder and Address as you find them, then the tracker will show you the Collected button once the reward is available. The complete list stays open until all 18 Decoders and all 18 Addresses are found.

Segment progress0 of 18 Addresses found; 0 of 18 Decoders found; 0 rewards claimed.Segment Progress: ALL REWARDS CLAIMED!

0/18Addresses found

0/18Decoders found

0/18rewards claimed

0/6Robot Parts claimed

Segment / Reward	Tracking
No. 1Robot Part Head Find Address and DecoderOpen on route No. 1: Robot Part Head - Complete	Got itDurandal Park, after speaking to the pink bug in the King's Warehouse Found itKukai Foundation, roof of Our Treasure
No. 2Robot Part Body Find Address and DecoderOpen on route No. 2: Robot Part Body - Complete	Got itSong of Nephilim, Tower 2; dropped by Athra 26 Series Found itDock Colony, Talk to Me basement
No. 3Robot Part Right Leg Find Address and DecoderOpen on route No. 3: Robot Part Right Leg - Complete	Got itEncephalon forest, Bunnie's house after the S. Carrot Juice race Found itKukai Foundation, Dry Cleaners
No. 4Thief Ring Find Address and DecoderOpen on route No. 4: Thief Ring - Complete	Got itAsteroid Pleroma; defeat the Mercurio manipulated with the crane Found itAsteroid Pleroma, corridor hidden behind boxes
No. 5Double Buster Find Address and DecoderOpen on route No. 5: Double Buster - Complete	Got itDurandal hangar armory during confinement Found itEncephalon, beyond the locked park gate
No. 6Trauma Plate Find Address and DecoderOpen on route No. 6: Trauma Plate - Complete	Got itProto Merkabah; dropped by Proto Dora Found itProto Merkabah planetarium
No. 7Robot Part Right Arm Find Address and DecoderOpen on route No. 7: Robot Part Right Arm - Complete	Got itWoglinde; received from Sergeant Swaine during the Gnosis attack Found itWoglinde, near Sergeant Swaine
No. 8Robot Part Left Leg Find Address and DecoderOpen on route No. 8: Robot Part Left Leg - Complete	Got itReward for returning the Engagement Ring at the Ironman bar Found itElsa B2, near the Slide Deck
No. 9Robot Part Left Arm Find Address and DecoderOpen on route No. 9: Robot Part Left Arm - Complete	Got itCathedral Ship, guarded near the end of the route Found itCathedral Ship, third floor of the research complex
No. 10Booster Pack x2 Find Address and DecoderOpen on route No. 10: Booster Pack x2 - Complete	Got itElsa, below the Slide Deck after using the Disarm Key Found itKOS-MOS Simulator via E.V.S.
No. 11Coat-Ice Find Address and DecoderOpen on route No. 11: Coat-Ice - Complete	Got itAsteroid Pleroma, hidden in the echoing corridor Found itU-TIC Battleship, beyond Door No. 4
No. 12W Hammer Rod Find Address and DecoderOpen on route No. 12: W Hammer Rod - Complete	Got itEncephalon sewer, behind a locked door on Jr.'s route Found itSong of Nephilim, Tower 2
No. 13Samurai Heart Find Address and DecoderOpen on route No. 13: Samurai Heart - Complete	Got itKukai Foundation, bakery roof reached through Our Treasure Found itCathedral Ship mall, behind boxes near the Unicorns
No. 14Speed Shoes Find Address and DecoderOpen on route No. 14: Speed Shoes - Complete	Got itSong of Nephilim, Tower 1, fifth floor Found itElsa Catapult Deck
No. 15Angel Ring Find Address and DecoderOpen on route No. 15: Angel Ring - Complete	Got itCathedral Ship; dropped by the Hydra in the flower shop Found itEncephalon subway on Jr.'s route
No. 16Stim DX Find Address and DecoderOpen on route No. 16: Stim DX - Complete	Got itU-TIC Battleship, behind the lock opened with the U-TIC Card Found itWoglinde, corridor near the Command Center
No. 17BLOOD9 Find Address and DecoderOpen on route No. 17: BLOOD9 - Complete	Got itSong of Nephilim, Tower 3 Found itProto Merkabah, Research Lab 43F
No. 18Coat-Lightning Find Address and DecoderOpen on route No. 18: Coat-Lightning - Complete	Got itWoglinde after KOS-MOS activates Found itWoglinde, corridor near Shion's room

Robot Part progress is derived from rewards claimed for Segments 1, 2, 3, 7, 8, and 9. Every checkbox and Collected button uses the same browser-local record as the walkthrough.