Browse Mega Man 3 Cheats
Enter the password A3, B3, C3, C2, D2 the start with Shadow Man, Spark Man, Gemeni Man, and Snake Man beaten
Enter the password A2, B1, B2, C1, D2 to start with Shadow man, Spark man, Gemini man, Snake man and Dr. W's first guy beaten.
Enter the password A0, B0, C1, C2, B2 to start on the last stage with only Sawman left to fight. .
A0 C013 D3
B1 C03 D23
A3 B3 C23 D2
A1 B01 C1 D1
A2 B12 C0 D1
A23 B3 C03
A1 B3 C23 D3
A12 B3 C3 D3
A0 B02 C12
A0 B0 C1 C2 B2
Dr. Wily castle 1
A1 B01 C1 D1
Dr. Wily castle 2
A0 B02 C12
A3 red, C5 red
A3 red, C5 red, D6 red
A3 red, C5 red, F4 blue
A3 red, B5 red, F4 blue, F5 red
A3 red, C5 red, C4 red, F4 Blue, F5 red
A3 red, B5 blue, C5 red, F4 blue, F5 red
A3 red, B5 blue, D3 blue, E6 red, F4 blue
A3 blue, B5 blue, C5 red , D3 blue , F4 blue
Gemini man revisited
A3 blue, B5 blue, B6 red, D3 blue, E6 red, F4 blue
Spark man revisited
A1 red, A3 blue, B5 blue, B6 red, D3 blue, F4 blue
Needle man revisited
A1 red, A3 blue, B2 blue, B5 blue, C5 red, D3 blue, F4 blue
Shadow man revisited
A1 blue, A3 blue, B2 blue, B5 blue, C5 red, D3 blue, E1 red, F4 blue
Hold Up on controller two.
Hold Up + A on controller two. Note: This has no effect on the eight robot Bosses from Mega Man 2 that are found after defeating the eight robot masters. The code will freeze you but the Boss will continue to attack.
Hold Right on controller two.
Hold Right on controller two during game play. Find a pitfall and fall in. Sometimes if you wait a few seconds, you while hear the sound of Megaman dying and your health will totally disappear. Jump out of the pit and you will have invincibility as long as you do not collect any health capsules. While you are holding Right on controller two, you will have super jump and can fall into pits without getting hurt and be able to jump high.
Magnet, Hard, Top, Shadow, Spark, Snake, Gemini, Needle, "Spark", "Shadow", "Gemini", "Needle"
Enter A3 B5 D3 F4 blue, A6 red as a password for all weapons, items, nine energy tanks, and no Dr. Wily Robots.
Enter A1 A3 B2 B5 D3 F4 blue, A6 E1 red as a password.
Hold Right on controller two. This allows Mega Man to walk through or jump out of pitfalls without dying. It is especially helpful in the Dr. Wily Robot level. Note: When jumping out of the pitfall, the jump is twice as large as the super jump. Note: This will only work if the pitfalls are fairly long.
Use the following trick to get Rush Jet without having to defeat Needle Man. You must first defeat Shadow Man. Then in the next stage, pause game play, highlight Shadow Man's weapon, and press Right. No weapon will be highlighted, but you will see Rush's icon above the next symbol. Press Start and you will be using the Rush Jet, except with no energy. Collect a weapon capsule in this form and then use any amount of its energy. Pause game play and you will see the Rush Jet is freely accessible from this point forward. You can also do a similar trick to get the Rush Marine, but you need to defeat Spark Man. You can only get the instant access for it if you are in Gemini Man's stage, since the Rush Marine is only usable in water.
Press Start while Protoman whistles to hear the full tune. Note: You must press Start while Megaman is still controllable.
Hit him five times with the Spark Man's weapon.
In order to defeat Wily's two forms, you must use the punch on the first and the snake attack on the second. Nothing else will do damage -- make sure you have plenty of both weapons.
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To defeat the revisted bosses, here are some of the weaknesses: