To use CWCheat, your PSP must have Custom Firmware installed. It is highly recommended to use 6.61 PRO-C2 or ARK-4 with Infinity 2.0 for a permanent mod. Step 1: Download & Transfer
This is the European version. If you have the US version, the game ID will be different (ULUS-10160).
For Firmware 6.61, cwcheat psp 661 new remains the king because of its PS1 support and stability in high-memory games. cwcheat psp 661 new
While the core CWCheat code is mature, the "newness" in 2026 comes from compatibility with modern custom firmware (CFW) like 6.61 PRO-C2 Infinity 2.0 Active Compatibility:
| Feature | Description | |---------|-------------| | | Add new codes without PC | | Cheat search | 8/16/32-bit, equal/not equal/greater/less/signed/unknown | | Dump RAM | Save game memory to ms0:/seplugins/dump/ | | Screenshot capture | Press VOL UP + VOL DOWN (configurable) – saves as .bmp | | Speed toggle | Force PSP clock from 20 to 333 MHz per game | | PS1 support | Works with POPS (PS1 emulator on PSP) via separate PRX | To use CWCheat, your PSP must have Custom Firmware installed
The font looks garbled or pixelated. Solution: The 6.61 new version uses a different font renderer. Download a font.prx from the same source as the plugin and drop it into /seplugins/cwcheat/font/ .
Installation and configuration (high-level) If you have the US version, the game
Unlocking the Past: The Evolution and Implementation of CWCheat on PSP Firmware 6.61