The GTA5 box holds 7 dual-layer DVDs: https://www.reddit.com/r/GrandTheftAutoV_PC/comments/31vdpb/inside_the_gta_v_pc_disk_box_by_russian_retailer/ https://www.

The GTA5 box holds 7 dual-layer DVDs: https://www.reddit.com/r/GrandTheftAutoV_PC/comments/31vdpb/inside_the_gta_v_pc_disk_box_by_russian_retailer/ https://www.reddit.com/r/GrandTheftAutoV_PC/comments/31vdpb/... (edit: for the PC version, that is; and even that might depend on the year you got the thing. Also found a Reddit thread with the box on display)