Rockman No Constancy is a complete romhack of Rockman 2.

Modifications include completely new soundtrack, new graphics, altered bosses/weapons, and completely new level layouts.

v1.0 (21 October 2007) Initial release:

NORMAL mode can be satisfactorily cleared even without a save states.

HARD mode specifications:

• Attack power/Half Defense power, or 3/4 (Damage fraction up)
• Life recovery amount 10 → 8; Life recovery small amount 2 → 1
• Shocked only during unbeatable time knockback after hit (110 frames to 32 frames)
• Change Rockman’s body color and title color
• Heatman’s weapon has improved energy efficiency to 1 due to operational reasons

UPDATE: v1.2 (2018/04/13)

• Mainly cosmetic changes
• Player sprite designed to look like Rockman X
• Got weapon and ending image of Rockman changed
• Got weapon image of Roll changed

UPDATE: v1.3 (2019/01/21)

• Hard mode addition
• Adjustment of special weapon versus enemy damage
• Partial special weapon pallet change
• Expand grace time for blue charge shot (increase in power) of Proto Charge
• Change the body judgment of the Rumbling Bomb so that the ball trajectory moves slightly forward
• Extend Flashman’s Time Stopper usage interval
• Increase Woodman’s weak point damage from 6 to 8
• Changing the Rumbling Bomb to touch the Mecha Dragon’s scaffold
• Normal version only Decrease the judgment of the Wily Machine bullet accordingly
• Only the normal version relaxed the high difficulty part of the stage changed

Hard mode specification

• Body color change of Rockman
• Reduce invincible time in half
• Double the enemy’s overall durability by a factor of twice (special weapons versus enemy only available)
• Excluding some of the attack power of the boss 1.5-fold rise
• Life restoration small recovery amount 2 → 1 life; weapon recovery large recovery amount 10 → 8
• Increase the initial remaining lives to 5

• No-Intro Name: Rockman 2 - Dr. Wily no Nazo (Japan)
• (No-Intro version 20130731-235630)
• File MD5: 055FB8DC626FB1FBADC0A193010A3E3F
• File SHA-1: FB51875D1FF4B0DEEE97E967E6434FF514F3C2F2
• File CRC32: 30B91650
• ROM MD5: 770D55A19AE91DCAA9560D6AA7321737
• ROM SHA-1: 3E9DC769E1B63E73834786EC7FE9EDE7E706C72F
• ROM CRC32: 6150517C