Epic still offer completely upfront licensing with no revenue splitting, although the price isn't published. UE3 was supposedly in the $500k range so I imagine

Epic still offer completely upfront licensing with no revenue splitting, although the price isn't published. UE3 was supposedly in the $500k range so I imagine UE4 is similar. https://www.unrealengine.com/custom-licensing https://www.unrealengine.com/custom-licensing