Especially on next-gen consoles, the lighting and player models remained industry-leading.
In a multi-part set, all parts except the last one are usually identical in size. If part03 is significantly smaller than part01 or part02 , the download likely failed halfway. Game Review: NBA 2K21 (The Content Inside) NBA.2k21.part03.rar
For many fans, the "current-gen" version (PS4/Xbox One/PC) felt like a roster update of 2K20 with very few gameplay changes. Especially on next-gen consoles, the lighting and player