Approximately 3.4 MB (uncompressed) or ~1 MB (compressed).
Some users maintain repositories of "essential PS2 tools" which often include the v10.1 ELF. How to Install and Launch codebreaker 101 elf ps2 download verified
While malware targeting the PS2 is rare, cross-platform files can carry payloads. More commonly, unverified downloads contain "modded" versions of Codebreaker that have bloated file sizes or stripped database functionality. Approximately 3