: The .rar extension means the game files are compressed. You would need a utility like WinRAR or 7-Zip to extract them.
: Significant changes to biomes like the Ancient Sewers , which were made shorter and received new boss-cell locked doors. Dead.Cells.v1.11.1-GOG.rar
Dead Cells: The End is Near - Official Update Launch Trailer Dead.Cells.v1.11.1-GOG.rar