In "Don't Wake Grandpa", the player must survive 5 nights in an old house while preventing Grandpa from waking up. The player manages various threats, malfunctions, and creatures that disrupt Grandpa’s sleep. The TV is crucial to keeping Grandpa asleep, but it’s prone to static and breakdowns. Supernatural creatures like Stunna Boy and Jim Jim add more challenges, and the player must manage limited resources like batteries and bananas to survive each night.