Vegas Dream © 1990 HAL America, Inc.
North American release. Game developed in Japan. See the original for more information: "Viva! Las Vegas [Model ESF-LV]".
Description from the Back cover:
Bring a casino home to your living room! Up to four high-rollers can play Blackjack, Roulette, Keno, or Slot Machines. Odds are you are going to love VEGAS DREAM!
GAME ID: NES-LS-USA
Released in March 1990 in the USA.
Game's ROM.