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GTA IV Mod Assistant by CoMPMStR28,101 downloads
GTA IV Weapon Editor by CoMPMStR56,367 downloads
GTA IV Handling Editor by CoMPMStR136,623 downloads
SparkIV 0.6.2.3 (for GTA IV v1.0.0.4) by aru1,151,427 downloads
GTA IV Patch v1.0 by Rockstar Games11,830 downloads
aru's File Modding Ability Patch by aru33,121 downloads
GTA4-Launcher Modding Ability Patch by s0beit51,333 downloads