V getting 50% No, I think it should be split more evenly. about 33.3 for each.
I'm saying that because, althouh [V] programmed the engine, it's not their game, so they shouldn't get most of the profit, the producer of the game should. Same thing with the SCP project, if the game maker chooses to use the SCP enhancements (duh they will

). Or 30, 35, 35, respectively.
And that's a good deal for all parties, considering. For instance, you can go and get Torque for 100 dollars (per programmer), and not have to pay ANY royalty fees, unless your game makes over 500,000 in profit, where then you have to buy a full corporate liscence of Torque (a relatively low $100,000)