(often around 1.18 GB) but can be significantly reduced for storage efficiency.
⭐⭐⭐½ (3.5/5) – Value for space: 5/5, pure gameplay: 3/5.
FIFA 11 remains one of the best arcade-simulation football games on the handheld. If you can spare the space, stick to the full ISO for the best experience. If storage is tight, a standard CSO compression is safe, but avoid the extreme "100MB" versions to ensure gameplay quality.
This is a gray area.
On real PSP hardware, highly compressed CSOs cause longer load times (due to on-the-fly decompression). On emulators (PPSSPP), they load faster on modern SSDs but may exhibit audio stutter.