Cheat

Result

Square - Square - Circle - Circle

Gain more money.

Triangle - Triangle - Square - Circle

Drive a red box.

Triangle - Triangle - Square - Square

Drive Burns' car as Smithers.

Triangle - Triangle - Square - X

Drive Burns' nuke bus.

Triangle - Triangle - Triangle - Triangle

Add extra camera angles.

X - Circle - Triangle - Square

Slow motion mode.

X - X - X - X

Switch to night mode.