i think the most portable software for creating game (map texture ) is maya and 3ds maxfor maya you can modeling quickly as you want and then export model to uvlayout the application for layout 3d or uvw then take the uvw finish export it to psd(photoshop document) and then paint it then you go to maya render it is finish so enjoy the step.
i choose for autodesk maya why i choose you may askbecause it is have many tool for 3d animator to modeling rigging texturing animation and it also have more function likedynamic for producing hair system fluied effectlike cloth with cloth you can make shirt or any thing softlike life because i have used it for two yearsee my medeling for this