Default Controls
← → ↑ ↓ = Directions
A = z
B = x
X = a
Y = s
C (Top-Left Shoulder) = q
Z (Top-Right Shoulder) = e
L2 (Bottom-Right Shoulder) = r
R2 (Bottom-Right Shoulder) = t
Mode = Right Shift
Start = Enter
About the Mario 4: Space Odyssey SEGA Genesis Online Game
Hey there! Welcome to the Sega Genesis game Mario 4: Space Odyssey. You can now play this exciting game online in your browser for free, without the need to download anything. Join Mario as he embarks on a space adventure filled with challenging levels, enemies, and power-ups. Use your skills to help Mario navigate through the galaxy and save Princess Peach from the evil Bowser. Get ready for a fun and nostalgic gaming experience right at your fingertips. Enjoy playing Mario 4: Space Odyssey now!