Private equity firms Aleph Capital and Crestview Partners have made a "significant" investment in Saber Interactive, which will use the cash to pay off its debt to former parent company Embracer.In March, Embracer sold Saber and several other subsidiaries to Beacon Interactive in a $247 million deal. That divestment included the option for Beacon to purchase Metro developer 4A Games and Pinball FX maker Zen Studios, but the company ultimately allowed both remain with Embracer.Saber plans to use its latest investment to accelerate growth initiatives across its 13 studios in Europe, the United States, and South America."This investment aligns with our strategy of supporting dynamic companies that have the potential to shape the future of their industries," wrote Aleph man…