- Start - X6 Y9
- You begin in a small room with pairs of blue and green bouncing balls. Clear a path out from the door and remove the creatures. From here, you will follow the path up and around several screens until you reach X3 Y10.
- X3 Y10
- X4 Y11
- X4 Y12
- X1 Y12
- While exploring the labyrinth, it is not uncommon to come upon tiles arranged in the shape of large arrows. While they may suggest a direction to take, they are far more decorative than helpful. You have a choice from this room. You may either follow the arrows suggestion and continue west, or you may proceed north. Either way, your goal is to reach the far west side of the map, and continue north until the path takes you back to the east.
- X1 Y10
- Regardless of which path you took, you should follow the arrow's advice and proceed north. If you haven't checked in with the Blue Lander located at "X2 Y9', you may wish to do so now just in case.
- X1 Y9
- X0 Y9
- X1 Y8
- X0 Y6
- Area 0. Unfortunately, the color isn't the only thing that's changed. This version is much faster and much better at keeping up with you whenever you try to run away from it and try to put some space between you. That strategy is much more difficult on this machine. However, you did pick up a weapon that will be particularly helpful: the Side Wave gun. Activate it, and run around the room in an effort to avoid getting trampled by the mini-boss. When it turns, shoot your Side Wave gun. Keep the mini-boss fairly close to you so that some of the wave beams you shoot strike the boss. Eventually, you will defeat it, and you will receive a Red Lander for your efforts. This Red Lander will increase your maximum chip capacity to 150. With this item, return to X1 Y8 to take on Corridor 11.
This corridor starts out with attacks from the thin fish that appear on either side of the screen. These orange fish will be joined by attacks from starfish which appear from one of the top corners, fly diagonally across the screen and randomly choose a spot on the ground to drop down and spread out, before taking back off toward the top of the screen. A few of the bullet shooting creatures on stalks will appear as well, initially only on the left side, but eventually throughout the screen.
After a small batch of starfish attack at once, there will be a lull in the action. Then two orange fish will appear, followed by a manta ray. Fish and manta rays will appear for a while before the bubble shooting plants return. When they do, a lobster-like creature will swim across the top of the screen. They stay near the top, showering bullets down at you. Finally, three pairs of fish will appear on either side before the approach to the boss.
The boss of this corridor is the first of many such bosses. He is the easiest of an incredibly difficult breed of boss. Known as a Green Optomon, it will stay at the top of the screen and slide back and forth. It has two forms of attack; regular bullets which it fires in your direction and strands of seaweed which it releases straight down. The bullets are harmful, but the seaweed is devastating to touch, potentially reducing your health by over 50% so it's vital that you avoid it. When the Optomon is producing the seaweed, it flies back and forth with the Optomon until it reaches its maximum length, and the seaweed drifts down. If you have to choose between getting struck by the bullet or seaweed, you should always get struck by the bullet.
You should remain on the bottom of the screen as much as possible throughout this fight. Rising up risks getting tagged by the seaweed, but it's sometimes necessary in order to avoid older seaweed that is passing through the bottom of the screen. Unless you decide to backtrack to Area 2 to collect the gun power up first, your weapon and special weapon damage is very low, with the exception of the high recommended Fireball a this point.
If you are playing corridor rush, you are likely to have the Grenade before fighting this Optomon. In this case, you may try to always toss grenades into a corner so that the Optomon always catches the blast.
You'll have to be patient and vigilant. Eventually it will go down. If you're having trouble surviving this battle, you may with to visit Area 2 first and return here when you are stronger and more powered up. Successfully defeating the Green Optomon won't net you a new key, but it will return you to the corridor entrance in Area 1. Upon arriving, you will receive the Grenade weapon, and you will be ready to visit Area 2, which you can access through X7 Y13 of Area 0.