Dead Space 2 has a notorious frame rate bug. If your FPS goes above 60, physics objects (like Necromorph corpses) can glitch out. Use your GPU control panel (Nvidia/AMD) to cap the frame rate at 60 FPS rather than using the in-game V-Sync.
The GOG version of Dead Space 2 is essentially "pre-cracked." It has no DRM, meaning you don't need a crackfix to play offline or move the files between your own computers. dead space 2 crackfixflt full
Most players seeking a crack are actually frustrated with the game’s controls. Regardless of whether your game is "cracked" or official, you should download the Dead Space 2 Mouse Fix (available on GitHub). It removes the baked-in mouse acceleration that makes aiming feel "heavy." How to Fix Dead Space 2 Without a Crack Dead Space 2 has a notorious frame rate bug