Proto:Mega Man 4

This page details one or more prototype versions of Mega Man 4.

To do: This prototype, despite having internal codes very similar to the Japanese version, still has several differences, see what this changes in the gameplay.

  This prototype is documented on Hidden Palace.

A localization prototype of Mega Man 4 was released by Armageddon Potato on Hidden Palace on January 1, 2025. Here it shows the development of the American localization of the game, and because of this it has some differences, the most notable being the dialogue!

Dialogues

Intro

Proto	Final
MEGAMAN SHATTERED DR.WILY'S AMBITION THREE TIMES AND THE	MEGAMAN SHATTERED DR.WILY'S PLANS THREE TIMES AND

In the line of text where this "AMBITION" was changed to "PLANS" in the final version.

Additionally, there is also "THE" at the end of the dialogue, something that is not present in the final version.

Proto	Final
WORLD'S PEACE HAS BEEN MAINTAINED SO FAR....BUT HISTORY REPEATS ITSELF.	WORLD PEACE HAS BEEN MAINTAINED SO FAR....BUT HISTORY REPEATS ITSELF.

In the line of text where this "WORLD'S" was changed to "WORLD" in the final version.

Proto	Final
MYSTERY SCIENTIST, DR.COSSACK,HAS INVENTED EIGHT POWERFUL ROBOTS	DR.COSSACK,A MYSTERIOUS SCIENTIST,HAS INVENTED EIGHT POWERFUL ROBOTS

In the line of text where this "MYSTERY SCIENTIST, DR.COSSACK" was changed to "DR.COSSACK,A MYSTERIOUS SCIENTIST" in the final version.