Navigator by Porcupine Tree Overview Tag Appears on Staircase Infinities Staircase Infinities (Ep) Staircase Infinities EP Staircase Infinities (EP) (2005, Remastered) Staircase Infinities (EP) [UK, Blueprint, BP 217 CD] Staircase Infinities (Remaster) Staircase Infinities(RMST) Staircase Infinities (Single) Up the Downstair Up The Downstair Up the Downstair [Bonus Disc] Disc 2 Up The Downstair CD2 Up The Downstair (Disc 2) Up the Downstair (disc 2: Staircase Infinities) Up the Downstair [Disc 2: Staircase Infinities] Up The Downstair (Remastered) Up The Downstairs Up The Downstairs [2005, UK, Snapper Music, SMACD885] Up the Downstair [Special Edition] CD 2: Staircase Infinities Up The Downstair / Staircase Infinities Playcount 384 Listeners 108