PGEN is a Sega Genesis/Megadrive emulator for the PS2. It began as a port of Generator, an open source emulator for Linux, written by James Ponder. Since then, PGEN has evolved to be much more than that. The compatibility rate is very high and the speed is practically perfect with stereo sound.

Current features in v1.2:
- Compatible with .SMD and .BIN rom format
- High speed emulation with stereo sound (at 24Khz)
- Two types of sprite rendering: Cell and Line. Cell is faster but less accurate.
- Pal/NTSC rom autodetect
- Supports SRAM saves and saved states (which are compressed)
- Save manager to manipulate PGEN save data
- Very configurable (and options get saved to memory card or HDD)
- Quick savestate function, does not write to memcard
- Screen positioning
- Dual-shock controller analog stick support
- Cool GUI with music
- Automatic ROM detection (no FILES.TXT needed!)
- Support for multiple levels of rom directories
- Supports Joliet filesystem - long filenames, no file number limit
- Support for swapping ROM cd's without restarting the emulator
- Load zipped rom files
- Linear filtering for rendered display
- Load ROMS from a PS2 HDD, and save/load saved states to a PS2 HDD
- Boot PGEN via M R Brown's exploit, and load roms from a memory card
- Support for the PS2 multi-tap for 4 player games
- DMS3 Dev.olution mode compatibile