The Laser Lance is down in the metal flowers on the Jungle Planet. (see related question)
You don't defeat knights, you talk to them and they'll give you a weapon to defeat a beast. (On the jungle planet, find the Laser Lance down in the plants before you meet Sir Cador.)
No. (see related question)
You do not get or use a bucket on Astro Knights Island.
When you defeat Mordred, the game is over, and the Princess will kayo him for you. (see the related question)
There is no treasure chest on Astro Knights Island.
There are no bird eggs in astro knights island.
use the rope and tjhe code dh h husfvbsufhsuiecdfhf
Yes. You must defeat all three planets to continue the quest. (see related question)
its on the island
How do you talk to the girl in the hay loft at astro knights island?
There are no fish on Astro Knights Island. There are Space Sharks around the Ice Planet at X-73 Y-83. To defeat them, shoot them and lure them to the Black Hole at X-85 Y-47. (see related question)
On every island you have to be the one to save whatever needs saving. That includes the kingdom in Astro Knights Island.