If you want to play safely and support the devs, I'd recommend grabbing it during a Steam or GOG sale, where it often goes for a deep discount.
If the file is legitimate for its name, it contains version of Rain World . This version includes: Rain.World.v1.9.03-P2P.zip
This file name indicates a of the game Rain World . Because "P2P" (Peer-to-Peer) releases are unofficial and often distributed through unverified sources, the content within that zip file is highly unpredictable. 1. The Game Content If you want to play safely and support
"P2P" groups don't have the same reputation standards as established "Scene" groups (like Razor1911 or SKIDROW). The .exe could easily contain a trojan or a crypto-miner. Rain.World.v1.9.03-P2P.zip