STEAL A BRAINROT is a 2025 multiplayer video game developed by SpyderSammy. Launched on Roblox on May 16, 2025, the game quickly became a global phenomenon. With more than 55 billion visits and one of the most engaged communities on Roblox, STEAL A BRAINROT has become a creator-fueled standout, celebrated for its replayable gameplay loop, meme-ready moments, and player-driven storytelling that spreads at the speed of short-form video. STEAL A BRAINROT has also demonstrated rare event-scale reach, including an all-time peak of 25.8 million concurrent players in October 2025, and has also demonstrated record-setting event-scale reach hosting a Bruno Mars exclusive concert..