Equip an energy-type weapon in an active slot and use it in combat. You must do exactly 121 damage to an enemy through the use of your multiplier. Consider doing this in the arena against the giant hood soldiers. They have a constant defense value and do not buff. Adjust the ratio on various attacks until you can hit one accurately for 121 points of damage.
Have at least $1,000 and have access to the phone in Chapter 3. Make a call to 1-900-555-4663 for a cost of $4. Repeat the process until you are charged $1,000 for the calls.
In Chapter 3, in the VIB quest after you are told to get Sarah a date, talk to Blake. He can be found near the shop just north of the park. Note: You will have to beat him up as part of the "Bobby Jett" quest.
The Frizzies can be found during Episode 4 near the major in the park's right side. They appear only if your system's time is between 11:00 p.m. and Midnight/ They resemble three hairy eyes, but their fighting style is the same as the red sphere bot's from Episode 3.
Call Jenny at 1-900-867-5309. Note: This is a reference to the Tommy Tutone song, ""867-5309/Jenny".
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During Episode 5 in the space port station, look to the left of where you speak to Private Johnson to find a sign that reads "PIZZA" on the wall. Approach that sign with five pizza slices set as your active items to enter to a hidden room with Adrian. Note: The vending machine on the opposite side of the space port sells pizza slices for $22 each. Swap out the pizza slices for more useful items before you approach him. Defeat him to earn the second piece of the mystery technology. The first piece is obtained after defeating evil Marty during Episode 1.
Select Stickers to lower Evil Marty's Speed. He will now only power-up two times before casting his spell. You will also need the Cellphone, Karateband (increases strength by 50% and gives you the ability to counter his attacks) and a large amount of Money. Cast Cellphone and dial 1-900-555-LOVE. After it activates, your multiplier will increase by 0.each second, even when you are idle. Next, cast Karateband. Allow your multiplier to reach 9.9 before doing anything. Evil Marty cannot block your counters, and they will be an important source of damage. If you have attacks that are potent enough and patience, Evil Marty will eventually fall. Evil Marty will heal and try to stun you. If everything is done correctly, you will almost always counter him.
In Chapter 3, descend to the bottom of the dam to find two characters outside a cave. They will ask that you enter the cave to destroy Super Computah. Begin a battle with Super Computah but do not do anything. It will slowly start to lose health and you will earn a "SSS" rank win.
Use the Striped Gum item thirty times during combat.
Collect the BB gun from the cave in Chapter 4. Equip it and continue using it. It will eventually backfire and you will get hurt.