If you are looking to play the game, the safest and most reliable way is through official retailers like Best Buy or digital storefronts. Unofficial ".rar" files from unknown sources carry risks of malware or incomplete data.
The ".part3.rar" extension indicates this is the third volume of a multi-part RAR archive . Because modern games like No More Heroes 3 are large—often exceeding several gigabytes—they are frequently split into smaller segments for easier sharing or hosting on various platforms. You cannot open this file in isolation; you typically need all segments (part1, part2, etc.) in the same folder to extract the full game installer or data. sc23191-NMH3.part3.rar
No More Heroes 3 marks the return of the "otaku assassin" . If you are looking to play the game,
Discussion of the No More Heroes Game Series on Switch - Facebook Because modern games like No More Heroes 3
