HunterZeo

Launch Octopus: At the point where there is a ship that is launching water mines, get on the ship and destroy it. Storm T. works best. Stay on the ship as it falls down in the water. Go to the right, into the large room. Destroy the eel, and then continue to the right to find the heart.

Chill Penguin: In the outside area where you get a mech, ride it to where you see a ledge above you. Jump up the ledge by jumping in the mech, then jumping out of it in mid-air. Equip the Fire Wave, and use it on the little insect hives. One of the two contains the heart.

Flame Mammoth: Now's a good time to mention that beating certain bosses has an affect on other levels. To get the heart here, you must beat Chill Penguin beforehand. This will cause all the lava to freeze. Go to the point where the lava and fire bursts used to be, and just walk on the frozen lava all the way to the right to get the heart.

Boomer Kuwanger: This is visible, but impossible to get until you have the Boomer Cutter weapon, which you get from Boomer Kuwanger himself. So, just come back the stage, and use the B. Cutter to snag the heart.

Sting Chameleon: This is another stage that is affected by destroying a certain boss. Destroy Launch Octopus to cause water to flow up in Sting Chameleon's stage. Go to the point before the falling block tunnel, and slide down the right side of the pit. Destroy all the blocks, then dash-jump to the right. This is only possible time to get this is after the water is there.

Spark Mandrill: This one is tricky to get. It is on a ledge up a wall around halfway through the stage. Try dash jumping off the wall, then back to the wall in one jump to get up to the ledge. You can also try using the B. Cutter to get it.

Storm Eagle: Once you have the boots, go to the elevator platforms at the beginning of the stage. Get on the one that leads all the way up to the top, and when it gets there, dash-jump to the left to get the heart.
Armored Armadillo: Simply beat the second large crusher bot before he destroys the way up to the heart. Use Fire Wave on him to take him out quickly.

Sub-Tanks Locations

Storm Eagle: Go to where you see a turret on an elevating tower. Destroy the turret, ride the tower up to the observation tower, destroy the glass, and fight your way through the two bots to the sub-tank. Or, if you want to be sneaky, climb up without destroying the glass, walk across the top, get the sub-tank, and gun down the bots from behind!

Armored Armadillo: Start the first crusher bot going, and climb back up the mineshaft. After he has passed, go down to where he was. You'll find the sub-tank there.

Spark Mandrill: At the beginning of the level, make your way to the right, taking the lower ladder paths. When you see the sub-tank, jump and fire the B. Cutter to grab it.

Flame Mammoth: Go to the area with the lava, fire bursts, and mole bots. Make your way up the platforms, until you get to the top, the go to the leftmost platform, and dash-jump to the left. Jump off of the strange lock to destroy them and get the tank.

Capsules

Feet: Found in Chill Penguin's stage, and is fairly obvious. You can't go through the level with getting to the Capsule.

Helmet: Found in Storm Eagle's stage, after the continue point. Go to the large scaffolding tower, and slide down the right of it. Dash-jump to the right, onto a ledge. Shoot the gas barrels, and enter to get the capsule.

Body: Found in Sting Chameleon's stage. get to the large hill before the area where blocks fall from the ceiling. Dash-jump to the right, onto the cliff. Defeat the claw robot, and the capsule is yours.

Arms: Found in Flame Mammoth's stage. Go to the area right before the lava with flame bursts. You should see some strange blocks above you. Get on the platform to the right, then dash-jump left onto the strange blocks. If timed right, you will catch on. Keep jumping and you will destroy the blocks and climb up the shaft to the capsule.
Or, if you don't want to do that, wait until the first Sigma level. Zero will give you his arm cannon, which many refer to as the Zero-buster or Z-buster.

Maverick Guide

Weaknesses
Launch Octopus: Rolling Sheild
Chill Penguin: Fire Wave
Flame Mammoth: Storm Tornado
Boomer Kuwanger: Homing Torpedo
Sting Chameleon: Boomer Cutter
Spark Mandrill: Shotgun Ice
Storm Eagle: Chameleon Sting
Armored Armadillo: Electric Spark

Sigma Levels

Boss Weaknesses
Vile: Homing Torpedo
Bosspider: Shotgun Ice
Rangda Bangda: Chameleon Sting
D-Rex: Homing Torpedo although all weapons do equal damage
Velgauder (Sigma's Dog): Shotgun Ice
Sigma Form 1: Electric Spark
Sigma Form 2: Rolling Shield, Charged. Only two weapons even hurt this guy. Using fully charge X-Buster shots does only one bar of damage per hit. Using fully charged Rolling Shield does two bars damage, but it is very hard to hit Sigma with it.

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