Uzi.ifp (2025-2026)

To a normal person, it’s just a 500kb animation bank. To us, it is the Rosetta Stone of chaos. The ifp extension stands for "Interpolation Frame Player." It’s the file format that tells the game how to move. Inside uzi.ifp are the skeletal rigs for CJ’s upper body: the idle sway, the reload, the sprint-and-gun, and the dreaded drive-by.

If you grew up modding Grand Theft Auto: San Andreas in the mid-2000s, your hard drive is a digital landfill. There are half-finished skins, corrupted save files, and that one car mod that turned every vehicle into a jumbo jet. But buried deep in the /anim folder, there is a file that holds a very specific kind of power: uzi.ifp . uzi.ifp

Next time you play San Andreas , equip a Micro-SMG, hold the sprint button, and watch the janky, beautiful animation play out. That’s not a bug. That’s the soul of the game, encoded in a file you probably deleted in 2008 to make room for a Need for Speed car pack. To a normal person, it’s just a 500kb animation bank

But the uzi variant is special. Unlike the pistol or the shotgun, the Uzi animation suite in San Andreas is twitchy, violent, and wonderfully broken. If you’ve played the game for more than ten hours, you know the animation I’m talking about. When you equip the Tec-9 or the Micro-SMG and hold down the sprint button, CJ doesn’t run like a soldier. He leans forward at a 45-degree angle, the gun pointed sideways, elbows bent like a crab. Inside uzi

And we loved it.

To a normal person, it’s just a 500kb animation bank. To us, it is the Rosetta Stone of chaos. The ifp extension stands for "Interpolation Frame Player." It’s the file format that tells the game how to move. Inside uzi.ifp are the skeletal rigs for CJ’s upper body: the idle sway, the reload, the sprint-and-gun, and the dreaded drive-by.

If you grew up modding Grand Theft Auto: San Andreas in the mid-2000s, your hard drive is a digital landfill. There are half-finished skins, corrupted save files, and that one car mod that turned every vehicle into a jumbo jet. But buried deep in the /anim folder, there is a file that holds a very specific kind of power: uzi.ifp .

Next time you play San Andreas , equip a Micro-SMG, hold the sprint button, and watch the janky, beautiful animation play out. That’s not a bug. That’s the soul of the game, encoded in a file you probably deleted in 2008 to make room for a Need for Speed car pack.

But the uzi variant is special. Unlike the pistol or the shotgun, the Uzi animation suite in San Andreas is twitchy, violent, and wonderfully broken. If you’ve played the game for more than ten hours, you know the animation I’m talking about. When you equip the Tec-9 or the Micro-SMG and hold down the sprint button, CJ doesn’t run like a soldier. He leans forward at a 45-degree angle, the gun pointed sideways, elbows bent like a crab.

And we loved it.