Spelunky is a popular indie video game that combines platforming and roguelike elements. Players control a character exploring procedurally generated caves filled with traps, enemies, and treasures. The goal is to reach the end of each level while collecting items and avoiding hazards. The game features permadeath, meaning that when players die, they must start over from the beginning. This encourages strategic thinking and careful exploration. Spelunky has received critical acclaim for its challenging gameplay, unique level design, and replayability, making it a favorite among gamers who enjoy difficult and rewarding experiences.