Grandpa Obby is an exciting and challenging obstacle course game on Roblox that takes players on a thrilling adventure through a variety of obstacles and challenges. This game is similar to Grandma Obby but with a different theme and setting.

Players must navigate through a series of challenging levels, each with different obstacles and challenges to overcome. The obstacles range from jumping across gaps, climbing walls, dodging obstacles, and more. Each level is designed to test the player's skills and challenge their reflexes, with plenty of twists and turns to keep things interesting.

RBXL File could be Opened with Roblox studio.