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Rockman 2: ONN

Hack of Mega Man 2


Rockman 2: ONN is a hack of Rockman 2 (NOT Mega Man II) that changes the stage layouts, graphics, movement of the boss, special weapons, background music (BGM), etc.

ROM / ISO Information:

  • File: Rockman 2 - Dr. Wily no Nazo (J) [!].nes
  • Length: 262160 Bytes (2 Mbit)
  • CRC32: 30B91650
  • MD5: 055FB8DC 626FB1FB ADC0A193 010A3E3F
  • SHA1: FB51875D 1FF4B0DE EE97E967 E6434FF5 14F3C2F2




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User Review Information

Great, but has big flaws

Reviewed By: Timaeus on 08 Mar 2020

Level design : 5/10

The level design here is….50/50. Half is great and amazing, but the other half is terrible! The main problems are the area with prop tops in Heat Man’s stage (How do you get through it without taking damage is beyond me), all the yoku block sections (which will fool you at least once, making you die at least once to learn them), the irritating and unfair enemy placement in Wily 3 (not only its impossible to not get hit but some enemies will kill and spawn after you jump, resulting in lots of cheap shots), the false floors at the end of Wily 1 (they really needed to be introduced in a safe place before that. There is no clear indication that the not white blocks are false, resulting in a cheap death) and mainly Wily 2. I got through it with no save states, and it took me more than 30 minutes to do so. The concept is fine on paper, but it REALLY needed more lifes! You can even break the stage if you waste Quickman’s weapon entirely, grab one big weapon capsule and shot three times. That will make the ammo pretty much infinite. Also, the final part is much harder and it is….just not good! I loved the music there and the graphics were great, but man….

Weapons: 6.5/10

The weapons are interesting overall, but calling it an useful arsenal is another thing. Half of them are useful somewhere or good in general, and half are useless. Crash Bomb is amazing and fun and its the best one here. It has 28 shots and you explode wherever you want, Atomic Fire is just the buster with a weak charge shot, Metal Blade is a poor version of Punk’s weapon since you can only fire one per time, it is super slow to go away, doesn’t go too far and it is super weak, Time Stopper lasts one second per use and has 14 uses, Bubble Lead shot fishes that launch themselves forward and fast after touching the ground, Air Shooter now shots only on full vertical directions and with a very small hitbox, Leaf Shield now only shots if you move backwards and lost its hitbox when it is not being launched and Quick Boomerang makes you invincible.

Musics: 9/10

The soundtrack is amazing. I found nothing wrong with the melodies or anything. One or two musics at max were abit unfitting, but that is about it. Really good soundtrack overall!

Bosses: 3.5/10

The bosses are too hard to buster duel and some of them had great concepts but got messed up with a rather bad execution. None of them seems to be possible to no damage except Bubble Man, Mecha Dragon, The Giant Tank, Wily and the Alien. Also, Quickman stays invincible for waaay too long on the fight, and the Boobeam Trap fight really was ruined by the spamming homing enemies. I recommend getting the E-tanks to fight them, as well as the weakness.

Overall, the hack has amazing graphics and music, but the bosses and level design can bring it down. I still think the musics deserves attention, and half of it isn’t bad, but there is some more polished ones out there.

Version 1.0 Recommended - No

User Reviews
Rockman 2 ONN - The best patchDedek1234505 Oct 20211.0Yes
Rockman 2: ONN - EXCELLENTDobu_GM27 Apr 20191.0Yes
Great, but has big flawsTimaeus08 Mar 20201.0No
Nice, but...Employee11 Apr 20161.0Yes