** Roblox RBLX.N gains ~6% to $48.29 after announcing the worldwide rollout of children accounts with tougher parental controls

** The game developer is on track for a second straight session of gains

** Says Roblox Kids and Roblox Select accounts are now available worldwide after a limited rollout last month in Australia, Indonesia, the Netherlands and New Zealand

** Rollout brings together age checks, age-based account settings, content ratings, ongoing moderation and expanded parental controls into a single framework - RBLX

** Adds that age-checked under-16 users will retain access to vast majority of their favorite games; the experience for age-checked users 16 and older remains unchanged

** Britain on Monday became the latest country to announce a sweeping ban on social media sites for under-16s and impose restrictions on gaming and live-streaming platforms

** RBLX has declined 40.3% YTD vs NASDAQ Composite Index's .IXIC 14.3% increase