Green Tower: All 5 Puzzles

Where the Green Tower is

Finish the Red Tower first — its key opens the Map Room, and the portable map is what gets you to the Green Tower efficiently. From the Map Room, head southeast. The Green Tower's reward is worth prioritizing early too: its key activates the chairlift, which saves a lot of walking time on later towers.

All 5 Green Tower puzzles

1. The coordinates puzzle (4166 / 1899)

Near a broken-down train close to the tower, you'll find a box with a sign reading two four-digit numbers. One player holds a switch at those map coordinates while the other opens the box. This is the same puzzle covered in full, step by step, on the 4166 / 1899 number puzzle guide — check there if you need the detailed walkthrough.

2. Soundproof glass room

Press two buttons at opposite corners of a red room to release the collectible — but doing so drops soundproof glass between you and your teammate, cutting off voice chat. Inside, one side sees a caged symbol board; a hidden button near a wooden beam unlocks the cage. Since you can't talk through the glass, work out your plan before you split up, or use hand signals through the glass to coordinate.

3. Blue monitor counting

Press the button on the green slope to start a set of pole-mounted monitors flashing faces in quick succession. Spread your group out so every monitor is covered — call out which pole you're watching by its colored ribbon to avoid two people counting the same one — then add up everyone's count and enter the total at the main station. Don't report a running total mid-sequence; wait until the monitors stop.

4. Yellow stands

A circular area has multiple yellow stands, each holding a glowing bulb behind glass — some green, some red. Activate only the stands with a green bulb. Hit a red one by mistake and a nearby switch resets your progress, so go slowly rather than rushing all the stands at once. Get every green stand right and the meter in the middle of the room fills to 100%, releasing the collectible.

5. Beach house

Two beach houses, one puzzle. In one house, a screen flashes a count of face images; the player inside needs to convert that count into symbols and hold them up. In the other house, a teammate uses a telescope to read the symbols and enters the resulting number. Guides differ slightly on the exact symbol-to-number conversion, so read the in-game instructions on-site rather than assuming a fixed mapping — walkie-talkies help a lot for coordinating the handoff.

Unlocking the chairlift

With all 5 collectibles placed in the Green Tower terminal, take the key through the cutting stations along the path up toward the chairlift — the machines guide you to the next one as you go. Insert the finished key at the chairlift station to activate it. Riding it unlocks the Big Sit trophy, and gives your group fast travel toward the Blue, Yellow and Black Towers.

Related

Haven't done the first tower yet? Start with the Red Tower puzzle guide. Once the chairlift is running, the Yellow Tower is next. For overall pacing, see the map & walkthrough overview.