The Third Chamber

Story quest in Escape Academy 2: Back 2 School, set in a hidden chamber reached after solving the fountain puzzle and descending through a tunnel. Completing it unlocks the "A Well-Kept Secret" achievement and is story progression, so it can't be missed.

Verification: Human verified

The Third Chamber is a mandatory story quest in Escape Academy 2: Back 2 School that unlocks automatically as part of the main narrative. Reaching this hidden area requires solving the fountain lock puzzle by inputting 5, 2, and 8 into the corresponding locks, climbing down into the center of the fountain, and opening the door at the end of the tunnel [src-0dc02cf791]. Completing this quest rewards the player with the A Well-Kept Secret achievement.

Step-by-Step Walkthrough

• Reassemble the mixed-up picture on the wall by freely swapping any two tiles [src-0dc02cf791].
• Observe the letters and numbers that each character in the reassembled picture points to: Spades 5, Hearts 7, Clubs A, and Diamonds 3 [src-0dc02cf791].
• Head to the chest located on the other side of the room and input 57A3 to open it [src-0dc02cf791].
• Retrieve the Judgement, Custodial Complaint, and the Lighter from the chest [src-0dc02cf791].
• Examine the four stained glass windows—two feature a key and two feature a lock—each containing one broken or damaged panel [src-0dc02cf791].
• Match the positions of the broken panels to the letter grids located on the floor to spell out TIME [src-0dc02cf791].
• Travel back near the picture, enter TIME into the lock, and take out the Machina Extractios [src-0dc02cf791].
• Use the Lighter to light the two candlesticks, observing the order in which the flames extinguish [src-0dc02cf791]. One candle burns in the sequence Palm Wax, Bees Wax, Whale Oil, while the other burns Sheep Tallow, Beef Tallow, Palm Wax, establishing the longest-burning order as Sheep, Beef, Palm, Bee, Whale [src-0dc02cf791].
• Go to the chest positioned to the right of the statue and input Sheep, Cow, Palm Tree, Bee, Whale [src-0dc02cf791].
• Collect the Newspaper, Obituary, and Travel Map from the chest [src-0dc02cf791].

Puzzle Solutions

• Card Suits Chest (by the wall): 57A3 [src-0dc02cf791]
• Stained Glass Lock (near the picture): TIME [src-0dc02cf791]
• Candle Burn Order Chest (right of the statue): Sheep, Cow, Palm Tree, Bee, Whale [src-0dc02cf791]

Rewards

• Unlocks the A Well-Kept Secret achievement upon completion.
• Judgement, Custodial Complaint, and Lighter items.
• Machina Extractios item.
• Newspaper, Obituary, and Travel Map items.

Details

type

Story quest

missable

Can't be missed (story progression)

location

A hidden chamber reached by solving the fountain lock puzzle (inputs 5, 2, 8 across the corresponding locks), climbing down into the centre of the fountain, and opening the door at the end of the tunnel.

walkthrough

• Reassemble the mixed-up picture on the wall by freely swapping any two tiles.
• Note the letters/numbers each character in the reassembled picture points to: Spades 5, Hearts 7, Clubs A, Diamonds 3.
• Go to the chest on the other side of the room and input 57A3; take out the Judgement, Custodial Complaint and the Lighter.
• Examine the four stained glass windows (two have a key, two have a lock); each has one broken/damaged panel. Match the broken panel positions to the letter grids on the floor to spell TIME.
• Near the picture, put TIME into the lock and take out the Machina Extractios.
• Light the two candlesticks and note the order the flames extinguish: one goes Palm Wax, Bees Wax, Whale Oil; the other goes Sheep Tallow, Beef Tallow, Palm Wax. Longest-burning order is Sheep, Beef, Palm, Bee, Whale.
• Go to the chest to the right of the statue and input Sheep, Cow, Palm Tree, Bee, Whale.
• Take the Newspaper, Obituary and Travel Map out of the chest.

puzzle_solutions

• Chest by the wall (card suits): 57A3
• Lock near the picture (stained glass / floor grids): TIME
• Chest right of the statue (candle burn order): Sheep, Cow, Palm Tree, Bee, Whale

items_obtained

• Judgement (from 57A3 chest)
• Custodial Complaint (from 57A3 chest)
• Lighter (from 57A3 chest)
• Machina Extractios (from TIME lock)
• Newspaper (from statue chest)
• Obituary (from statue chest)
• Travel Map (from statue chest)

Sources

• Escape Academy 2: Back 2 School walkthrough - Full guide and puzzle ...
• Escape Academy 2: Back 2 School - Achievement & Trophy Guide