Night of the Cursed
http://www.newgrounds.com/portal/view/531871
Search AoB - 60 c6 02 24 ??
You'll have 5 results, remove the 60 c6 02 24 0F then change the remaining 4 to
60 c6 02 24 74
That will get you 116 points for each shot and each kill. The ammo is just 4byte, find it, freeze it. Play a few rounds to get some points to buy a nice weapon, put some chomper traps by the doorways and some teddy bear traps around you. Turn on speedhack and watch the points go up.