This can be downloaded from a link given by the steam website for part 2.
The Steam website is: http://steamcommunity.com/sharedfiles/filedetails/?id=106195330
(Scroll down to the description)
The direct link is: http://www.desura.com/games/reversion/download/2664
The package says it's version: 1.3.2369
The game in 'Games:GamesVM/Wintermute/Reversion/reversion/xlanguage_pl.dcp' seems to be unknown.
Please, report the following data to the ScummVM team along with name
of the game you tried to add and its version/language/etc.:
{"xlanguage_it.dcp", 0, "eb08cd6e5646d20f0d8ed5027b762a4a", 11913752},
{"xlanguage_en.dcp", 0, "8e8c0b2a22a0f1bb7419e214bf806ea2", 11339619},
{"xlanguage_lv.dcp", 0, "fdf998692fd4918dd43a01c391ecc5a8", 11414925},
{"xlanguage_fr.dcp", 0, "ab5b9a20ec84fe45bfba1c5c83754be0", 11963210},
{"xlanguage_pl.dcp", 0, "5f4e83f32d6e81144caf7b4adc3001d6", 11532247},
{"xlanguage_de.dcp", 0, "074362d42287a29be470a9de8b73028a", 14040310},
{"data.dcp", 0, "b8cb6f113f7cd5d5a384032e045c5388", 254236963},
{"xlanguage_pt.dcp", 0, "ab49241a3df1a52ed1fad99ee4335cb4", 10620797},
{"xlanguage_nz.dcp", 0, "4401585ed9281b747a5424fd3a455489", 15631919},
