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Default Controls
← → ↑ ↓ = Directions
Z = A, X = B
A = X, S = Y
D = L, C = R
Enter (↵) = Start
Shift = Select
About the MEGA GIANT MARIO BROS. Nintendo Entertainment System (NES) Online Game
Hey, ready to play MEGA GIANT MARIO BROS. online for free? Just click on the link and start playing in your browser, no need to download anything. Join Mario on his adventure to save Princess Peach from the clutches of Bowser. Jump, run, and collect coins to defeat enemies and reach the end of each level. Enjoy the classic NES gameplay and have a great time playing this iconic game. Start now and have fun!
