Infinite Zenny Glitch
This glitch can be executed after opening the Central Gate (the three doors in the Main Gate opened with the three Sub-City keys). Speak with Data there and say "I keep losing fights...", then "Yes" to his next question, and "No" to his next two questions. As a result, you can repeat this process infinitely, gaining 1,100 Zenny each time. (Note: If you say "Yes" to his third question - the second "No" question - you will earn a total of 56,100 Zenny, but can no longer get Zenny from Data.)
Contributed By: KeyBlade999.
See through doors
When you are in the ruins at any time you have a door in front of you and you want to know if there is an enemy in front of it or something, rotate the camera slightly until you can see through it. You can do this on most doors.
Contributed By: ratzgame.
Meet the conditions below to get the difficulties named, which you can access from the title screen. In Hard Mode, enemies are twice as strong and have double health. In Easy Mode, you begin with the Buster Max (Buster Part that maxes Buster stats) and Roller Skates, and your Zenny from enemies is quadrupled.
Unlockable How to Unlock Easy Mode Beat hard mode and go to the Title Screen without resetting or turning off the power. Choose options to get the new difficulty setting. Easy Mode (Alternate Method) Play the game on the Normal (initial) difficulty. If you beat the game in 3 hours or less, this difficulty will be unlocked. Hard Mode Start a new game and complete it. Go back to the title screen without resetting or turning off the power. The new mode will be under Options.
Dark MegaMan and Lots of Zenny
At the Apple Market place, you can kick cans into the bakery: note that this must be the Jetlag Bakery. Each time, you can get 1,000 Zenny, and then you can enter and exit a shop to repeat as needed. Eventually, MegaMan's armor will darken somewhat, nearly black when MegaMan is at his most "evil". Doing this nets you a fair sum of Zenny and will also darken MegaMan: this will strengthen his kicks somewhat and also change people's reactions to him, typically those found by examining the doors of buildings in Downtown, Uptown, and City Hall.
Note that this is not the only way to turn MegaMan darker: anything perceived as "bad" will do it. For example, repeated destruction of soda machines, destroying the KTOX ship in the City Hall boss battles, and stealing the 200,000 Zenny from the robbery sidequest near the end of the game. Doing things perceived as "good" - such as playing the minigames in Uptown, donating to the reconstruction effort, and giving Roll gifts - will slowly turn MegaMan back to his standard coloration, though he goes no brighter than that.
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