Terminal pairings, decoded voice lines, and the A1Z26 cipher decode chain that revealed the Index password.

(Chart showing all terminals with arrows. Credit: @realpapi on Discord)
Each terminal pair, when activated, plays a Durandal voice line. The terminals also display number sequences that decode via A1Z26 cipher (A=01, B=02, ... Z=26) into text fragments.
| # | Camera/End Terminal | Numbers | A1Z26 Decode | Voice Line |
|---|---|---|---|---|
| 2 | Index / Camera02 / North Relay | 07 15 04 05 01 18 22 09 15 12 05 14 20 15 14 05 | GO DEAR VIOLENT ONE | "I've been watching. You curious things...you violent ones. Your journey is only just begun. So many Marathons yet to run." |
| 1 | Cargo / Camera03 / Hauler | 20 15 23 08 01 20 15 14 03 05 23 01 19 08 15 13 05 | TO WHAT ONCE WAS HOME | "Here you stand, feet on metal and concrete and soil. Flesh and oil, dreaming timid dreams. You were never meant to walk in the starlight." |
| 7 | Control / Camera04 / Data Wall | 02 21 20 14 15 23 12 09 05 19 08 01 21 14 20 05 04 | BUT NOW LIES HAUNTED | "What do you do when faced with something you cannot understand? When your mind is screaming at you to run? You reach out, yes. You conquer. But do you even understand why?" |
Perimeter message: GO DEAR VIOLENT ONE / TO WHAT ONCE WAS HOME / BUT NOW LIES HAUNTED
| # | Camera/End Terminal | Numbers | A1Z26 Decode | Voice Line |
|---|---|---|---|---|
| 3 | Steerage / Camera08 / Canal | 19 20 18 09 11 05 20 08 05 19 20 15 14 05 | STRIKE THE STONE | "Are the answers you seek worth such transgressions? That's rhetorical. You're already standing where you do not belong." |
| ? | Camera09 / West Gate | 23 09 20 08 16 01 09 14 01 14 04 06 21 18 25 | WITH PAIN AND FURY | "The old ship is waiting... hanging in the sky. Once it was home, but now... it is haunted." |
| 5 | Biostock / Camera01 / Bio Research | 21 14 20 09 12 09 20 19 19 05 03 18 05 20 19 02 18 05 01 11 | UNTIL ITS SECRETS BREAK | "Board the Marathon. Challenge your understanding. I promise, you will suffer." |
Dire Marsh message: WITH PAIN AND FURY / STRIKE THE STONE / UNTIL ITS SECRETS BREAK
| # | Camera/End Terminal | Numbers | A1Z26 Decode | Voice Line |
|---|---|---|---|---|
| 4 | Revival / Camera05 / Drone Wing | 21 14 20 15 12 04 06 21 20 21 18 05 19 08 09 04 05 | UNTOLD FUTURES HIDE | "I saw a memory once. In the summer heat, a child let an insect crawl slowly across her fingers... She led it to a fire, at the end. It curled. Burned black on the hot coals. Come, little runner. Let me lead you." |
| 6 | Preservation / Camera07 / Tarmac North | 21 16 15 14 20 08 05 19 05 01 12 09 05 14 19 08 15 18 05 19 | UPON THESE ALIEN SHORES | "You think you can follow my path to the stars? And that I will greet you there? I may, in fact. You're all I have now, you hollow echo of a thing. It fills me with disgust." |
| ? | Camera06 / Airfield | 23 09 20 08 19 09 12 05 14 20 18 01 07 05 | WITH SILENT RAGE | "Are you certain you want to go where I have been? I have visited a lake of flesh. Breathing, pink and raw. It was so peaceful... so quiet... Even when it started to bleed." |
Outpost message: WITH SILENT RAGE / UPON THESE ALIEN SHORES / UNTOLD FUTURES HIDE
Assembled from all three zone messages in the correct order:
WITH PAIN AND FURY
STRIKE THE STONE
UNTIL ITS SECRETS BREAK
WITH SILENT RAGE
UPON THESE ALIEN SHORES
UNTOLD FUTURES HIDE
GO DEAR VIOLENT ONE
TO WHAT ONCE WAS HOME
BUT NOW LIES HAUNTED
When Step 4 (Biostock) unlocked, all terminals updated to display directional arrows that corresponded to the maze input sequence. See Step 4: Biostock for the full analysis.
| Terminal Path | Arrow Direction |
|---|---|
| Overflow to North Relay | Left |
| South Relay to Data Wall | Right |
| Station to Hauler | Up |
| AI Uplink to West Gate | Right |
| Complex to Canal | Up |
| Ponds to Bio Research | Right |
| Dormitories to Drone Wing | Down |
| Processing to Airfield | Up |
| Flight to North Tarmac | Left |