: Search for AetherSX2 or its community-maintained forks.
The first and most crucial step is to install the emulator itself. PPSSPP (which stands for "PlayStation Portable Simulator Suitable for Playing Portably") is the gold standard in PSP emulation, and for a good reason. It's free, open-source, and under constant development with new features and performance improvements.
Look for a .cso (compressed ISO) version. It reduces the file size from ~1.2GB to ~800MB without losing performance.
Connect a Bluetooth controller for better accuracy with the shooting mechanics. Why You Should Play Total Overdose in 2026
Go to Graphics settings and switch your Backend from Vulkan to OpenGL, then restart the app.
Trigger special combat abilities like "El Toro" and "Spicy Chicken" directly via customizable on-screen touch controls.