(http://farm4.staticflickr.com/3793/12010574315_cecf50e37b_z.jpg)
Yesterday the Team from 762 Ranking has build a fanpatch for the OPK 0.4 version to apply the ranking system from the 762 ranking servers. It is recommended to install this patch.
You can download it here ->
Fanpatch 0.41 download @ 762 Ranking (http://www.762-ranking.de/forum/showthread.php?1087-OPK-0-4-Fightnight-%28January-18-2014%29)
Fanpatch 0.41 download @ ModDB (http://www.moddb.com/mods/operation-peacekeeper-2/downloads/opk-041-official-fanpatch)
Good fight! See you on the battlefield!