Complete Walkthrough of Level 2 (Mercury Mines)

==You can start from this level without missing stuff from previous level(s).==

First grab the Spreadfire Cannon above you, the stuff in front of you, the Vulcan below you and the Plasma Cannon behind you. Then, grab the Super Lasers on your left and right, and move on. Destroy the 2 ITSC robots in both corridors. At the end you will encounter a LOU Guard. Destroy it also. Now on the left and the right of the door below, there is actually a waterfall. You should find a Smart Missile on both sides.

Next, head up the corridor. Destroy the Mini Boss, and go on to kill the Fox Attack Bot. (You may go to the Energy Center to charge up for a while.) Then, go through the door below, and destroy the 2 Seekers in the room. Shoot at the left and the right of the yellow key. You should find 2 locked doors. These doors will be opened once the boss is destroyed. Behind both doors contain a Mega Missile.

Take the yellow key, and get ready for the boss room (the yellow door). Choose your best weapon (if you started on Level 2, then it will be Level 6 Quad Super Lasers; if you started on Level 1 and found all the stuff on Secret Level 1, then it will be the Helix Cannon). Grab an Invulnerability and go in. On the first attempt destroy all robots in the boss room EXCEPT the boss (including those from the robot makers). YES, there are 2 robot makers in the boss room. There will be a lot of tough robots and make sure you kill them all fast enough. Exit the boss room.

Just before you take the second invulnerability to challenge the boss, go back to your start location. You should find that the place where you took the Plasma Cannon starts to generate robots (ITSC Robot and Fox Attack Bot). Destroy them. This robot maker is triggered when you exit the boss room. (And of course, you can see the Exit behind the robot maker.)

Now taking the invulnerability, go back to the boss room. The robot makers inside may be triggered again. This time, using your best weapon (the Gauss Cannon - it is found in the boss room or on the previous Secret Level 1), rip him up. Grab the power-ups in the room as you fight. You may now wonder where the robot makers are. They are located behind the waterfalls on the left and right of the room. Go in to get 2 Smart Missiles and 4 Mercury Missiles respectively.

Finally, having the boss destroyed, go back to the 2 previous locked doors, take the 2 Mega Missiles, destroy the robots from the robot maker on the way and dash for the Exit.

This level wasn't too hard, was it? The next level (Mega Phoenix) will prove to be a tougher challenge. See you!