The Navajo Nation Gaming Enterprise (NNGE) laid off 1,120 employees, 776 of whom are Navajo, Jan. 1 because of the prolonged impact of COVID-19; the layoffs include employees at Twin Arrows Navajo Casino Resort.The Navajo Nation Gaming Enterprise (NNGE) laid off 1,120 employees, 776 of whom are Navajo, Jan. 1 because of the prolonged impact of COVID-19; the layoffs include employees at Twin Arrows Navajo Casino Resort.