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GTA IV Mod Assistant by CoMPMStR28,270 downloads
GTA IV Weapon Editor by CoMPMStR57,004 downloads
GTA IV Handling Editor by CoMPMStR139,044 downloads
SparkIV 0.6.2.3 (for GTA IV v1.0.0.4) by aru1,162,467 downloads
GTA IV Patch v1.0 by Rockstar Games11,947 downloads
aru's File Modding Ability Patch by aru33,456 downloads
GTA4-Launcher Modding Ability Patch by s0beit51,548 downloads