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But here’s the twist: Within days, Rockstar Games (the developer) publicly overruled their own parent company. Rockstar released a rare, unprecedented statement: "We have always appreciated the creative efforts of the modding community... Take-Two will not pursue legal action against single-player mods."

For over a decade, if you’ve ever seen a flying DeLorean in Grand Theft Auto V , a photorealistic Vice City remade inside GTA IV , or a lightsaber-wielding CJ in San Andreas , you’ve witnessed OpenIV’s handiwork.

Just remember: with great power comes great frame rate drops.

👉 openiv.com – The site looks like it’s from 2009. That’s how you know it’s legit.

In June 2017, Take-Two Interactive (Rockstar’s parent company) issued a cease-and-desist letter to the OpenIV team. The official reason? "Enabling third-party mods that violate our terms of service." The community’s translation: You’re having too much fun without paying for Shark Cards.

So go ahead. Download it. Extract that archive. Replace that police siren with the Mission: Impossible theme. Build something stupid, beautiful, or terrifying.

The internet erupted. flooded GTA V on Steam in a single weekend. Petitions went viral. Modders threatened to abandon the game entirely.

In the world of PC gaming modding, there are utilities... and then there are keys to the kingdom . OpenIV is the latter.

Showcases

Théâtre Antique d’Orange, France

Public spacesTheater
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WATCHOUT servers

Discover how L’Odyssée Sonore brings a 2000-year-old theatre to life with breathtaking projection mapping powered by WATCHOUT.

WATCHOUT 7.7.1 Out Now

January 28, 2025

WATCHOUT 7.7 brings powerful new features and workflow improvements designed to make productions smoother, smarter, and more creative. Free download. Latest release: 7.7.1

USITT26

March 19-21, 2026

Come talk WATCHOUT at USITT in Long Beach, California, with Dataton partners Show Sage, booth 573, usitt.org