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GTA IV Weapon Editor by CoMPMStR54,069 downloads
GTA IV Handling Editor by CoMPMStR128,008 downloads
SparkIV 0.6.2.3 (for GTA IV v1.0.0.4) by aru1,106,505 downloads
GTA IV Patch v1.0 by Rockstar Games11,405 downloads
aru's File Modding Ability Patch by aru31,931 downloads
GTA4-Launcher Modding Ability Patch by s0beit50,017 downloads