Complex sentence: The name SegaWorld later refered to the basement arcade in Hamleys'Regent Street branch, featuring none of the rides and entertainment of its Trocadero predecessor, as a SEGA-dedicated coin-op den since stripped and replaced with a franchised' Game' outlet.
Split into simpler sentences: The name SegaWorld now only refers to the basement arcade in Hamleys'Regent Street branch. However, more recently, the basement level in Hamleys has been stripped of its coin-op machines, and replaced with a franchised' Game' outlet.