Here are some cheats and tips for the game Micro Machines.
Level select:
Press Up, 2, Down, 2, 2, Left, 2, 2, 2 at the title screen.
Destroy other cars:
Drive to the top left corner of the first breakfast table and press
1 + 2.
Unlimited lives:
Jump off the bottom left corner of the first breakfast table.
Slow opponents:
Drive off the top right hand corner of the first breakfast table in
reverse.
Better traction:
Stop on the milk on the first breakfast table and press Up + 1 + 2.
Super slides:
Stop on the syrup at the middle of the first breakfast table and press
1 + 2.
Turbo mode:
Cross the finish line of the first boat race in first place and in
reverse.
Squinky Tennis mini-game:
Note: This trick requires two linked Game Gears. Hold Start and power
on the Game Gear.