Lost in the depths of time, you've stumbled upon a temporal anomaly. A rift in the fabric of reality, a tear in the fabric of time. You've been time-slipped.
You find yourself in the midst of ancient Egypt, surrounded by pyramids and pharaohs. You've got 30 minutes to find a way back home before the timeline collapses.
Or maybe you're in the year 3050, surrounded by flying cars and robots. You've got 60 minutes to learn how to breathe in this toxic atmosphere.
ChronoChaos: The Art of Time Traveler Survival Temporal Terrors: A Guide to the Monsters of the Multiverse