Philosophers often discuss counterfactuals by comparing different possible worlds to determine which events could have occurred.

Writers often imagine parallel worlds where small choices lead to very different lives.

At the conference, the developer showcased several Hello Worlds to demonstrate different programming languages.

In the multiplayer game, the hub worlds served as meeting points where players could trade items and accept quests.

Many players enjoy exploring open worlds with dozens of hidden quests.

Writers often lose themselves in dream-worlds where impossible things feel ordinary.

Writers often escape into dream worlds to explore ideas that reality won't allow.

The astronomer published a paper proposing methods to detect habitable external worlds.

Many online commentators say we're living in clown worlds, where absurdity and chaos are treated as normal.

Scholars debate whether the spirit worlds interact with our physical reality, influencing dreams and intuition.