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There are 4 separate "hatches" on the island :
- The dungeon stairway in the library (you need the Library Slip from the Museum)
- The underground laboratory (you need the key)
- The fountain plaque (use the Cosmic Symbols card, press all three and the Sun)
- The mill roof (unlock the gear inside, turn only counterclockwise)
(see related question)
What else can I help you with?
What powers the hovercraft on Astro Knights Island?
You have to power it up with manure which you have to get from the farmer near the secret hatch to Mordred's Hideout
How do you get in the sewer on Astro Knights Island?
There are no sewers in Arturus. The locked hatch is Mordred's secret underground lab. (see related question for the key)
How does the key fit in the hatch on astro knights island?
The key doesn't go to the saucer. It goes to Mordred's secret laboratory. (see related question)
What do you do with the key on Astro Knights Island?
It opens Mordred's secret underground hideout which is beneath the hay bales near the farm. Separate them to reach the locked hatch. (see related question)
How do you use the key on Astro Knights Island?
Go to the hay bales and push them apart. The key opens the hatch to Mordred's underground laboratory.
How do you get under the hay on Astro Knights Island?
Push the two bales together, then stand on top and move to the middle of them. They should spread to reveal the locked hatch to the underground chamber.
How do you get into the trapdoor on Astro Knights Island?
The locked hatch to Mordred's underground lab is opened by a key from the secret society that meets under the fountain. Take the secret message from the Maid's room and go to the second floor inside the Mill. The girl will give you the Cosmic Symbols password card. Press each of the symbols, then the Sun, on the fountain plaque. Enter to get the key.
What is the small key used for on poptropica?
On Astro Knights Island, the small key opens the locked hatch beneath the bales of hay on the farm near the mill. Push them apart to use the key, and you can enter Mordred's secret underground laboratory. (Use the mechanical mouse to lure the robot owl back into the lab.)
Where do you use the key on Astro Knights Island?
You go all the way to where those hay things are by the Ye Olde Rumour Mille. You have to get in between those hay stacks. Push one left, then push one right. Then you will see a metal hatch. That metal hatch is what you use the key on.
What do you do when you find the robot on Astro Knights Island?
There is nothing you can do about the robot invader. Collect the sheese and pull the switch that opens the rear hatch in the cell. When you follow the tunnel from Mordred's laboratory, you enter the back of the cell, and you will need the owl to recover what is left of the robot.
How do you get in the locked door on Astro Knights Island?
You need a key to open the hatch to Mordred's underground lab (beneath the hay bales). You get the key from a member of the secret order that meets under the village fountain. Get the Princess's secret message from the Maid's room (castle first floor left) and take it to the loft of the mill. The girl in black will give you the Cosmic Symbols card. Go to the fountain plaque and press the three symbols, and the center Sun.
How do you open the vault in the ground on Astro Knights Island?
The locked hatch leads to Mordred's underground laboratory. To get the key: - take the secret message from the Maid's Room (castle first floor left) to the girl in the second story of the Mill - use the Cosmic Symbols password to open the secret entrance under the village fountain (near the museum): press the three symbols and the center Sun - go to the pimply guy at the far right, who has the key.
