** Shares of video game platform Roblox RBLX.N tumble 18.3% to $45 in extended trading
** Slashes annual bookings forecast amid new safety initiatives
** Expects FY 2026 bookings of $7.33 billion to $7.6 billion, compared to prior forecast of $8.28 billion to $8.55 billion
** "What we have observed since we started rolling out age-gating of communications features in January is less communication engagement on the platform," CFO Naveen Chopra told Reuters in an interview
** Up to last close, RBLX down 31.8% YTD
(Reporting by Varun Sahay in Bengaluru)
((Varun.sahay@thomsonreuters.com))