Homebrew games are legal and often better optimized for small sizes.
The PSP’s startup chime rang out, clear and nostalgic. The game launched. The music was gone, replaced by a haunting silence, but the gameplay was perfect. In the world of high compression, the bells and whistles didn't matter; only the spirit of the game remained, fitting snugly in the palm of his hand. list of titles known for being stable under 50MB, or should we look for compression tools to shrink your own library?
If a game lags because of the compression, enable "Frameskipping" in the emulator graphics settings to smooth out the performance.