– even if it looks like an archive. Right-click → Properties. If it shows "Type of file: Application (.exe)" despite the .obb extension, you have a renamed malware executable.
OBB files contain the bulk of the game data (textures, audio, maps). The "patch" OBB specifically contains updated assets necessary for the game to run correctly after the main ( main.com.nvidia... ) OBB. patch.32.com.nvidia.valvesoftware.halflife2eps.obb
The file is a vital data expansion file for the NVIDIA Shield version of Half-Life 2: Episode Two . It is one of the two main OBB (Opaque Binary Blob) files required to run the game on compatible Android hardware or via specialized source engine ports. File Details & Role Game : Half-Life 2: Episode Two Estimated Size : ~2.7 GB to 2.9 GB – even if it looks like an archive