Rockstar Games
In short
An American video game publisher based in New York City that operates as a subsidiary of Take-Two Interactive.
In plain words
They are a famous company that makes and sells video games. They are best known for creating massive open-world series like Grand Theft Auto and Red Dead Redemption.
A simple example
When you buy a copy of Grand Theft Auto V, you are purchasing a product published by Rockstar Games.
Why it matters
They set industry standards for high-budget, cinematic storytelling in gaming. Their releases often become massive cultural events that sell millions of copies.
Easy to mix up
Do not confuse them with Rockstar Records, which is a music label.