Starting Vigilante missions in a Tank causes it to glitch into a silver color and glow red and blue instead of its normal green paint job.
Source: Glitches in GTA Advance — CC BY-SA
Mike's clone glitch here, but the real star is that tank going silver with red-and-blue flashers when you boot up Vigilante — goodbye army green!
The satellite dish is so tall that planes constantly suicide into it—and your girlfriend will call to complain.
GTA: San Andreas
Ghost planes: the crashing aircraft have NO pilots—for a weirdly practical reason.
GTA: San Andreas
The swingset achievement trick nobody expected
GTA IV
You can break into hidden buildings by barely opening your car door.
GTA: Chinatown Wars
Panic in the mall makes pedestrians do the impossible—jump off a roof and survive.
GTA: Vice City Stories
Rockstar built a secret 'safety net' for players who break reality.
GTA III