I found the solution to the 16.5 massacre proof game that Remellion mentioned that Francois Labelle had found using a computer search! Well to be more accurate, I found a computer program that found the solution. But it is amazing nonetheless!
I discovered the Jacobi Fairy Chess Helpgame solver, made by Francois Labelle himself. Here is the code that you can use yourself to find all 25 possible games that end on this position: stipulation dia16.5 forsyth 8/5k2/8/8/8/8/5K2/8. It does take around 15 minutes to complete, however.
Here is one of the many solutions.
1. e4 d5 2. exd5 Qxd5 3. Bd3 Qxa2 4. Bxh7 Qxb2 5. Rxa7 Qxc1 6. Rxb7 Qxb1 7. Qxb1 Rxh7 8. Rxc7 Rxh2 9. Qxb8 Rxg2 10. Rxe7+ Kxe7 11. Qxc8 Rxg1+ 12. Rxg1 Rxc8 13. Rxg7 Rxc2 14. Rxg8 Rxd2 15. Rxf8 Rxf2 16. Rxf7+ Kxf7 17. Kxf2