Somebody PLEASE pin my comment or add it to the main game description as a recommended tip under Install Instructions.
Here is what you do to fullscreen the game,
1) google images: "black screen" and download whatever pure black image. Open the image file and maximize it.
2) Open the game and place your mouse in the center of the game window
3) Press Windows Key and the + hey at same time. give it a sec to load the magnifier.
4) when the magnifier window pops up, move it to somewhere away from the game window and repeat step 3 until the game is essentially full screened
5) unplug your mouse as you do not need it for the game, and moving it to the edge of the zoomed in area will move your zoomed view off the game.
6) Enjoy. And that's a mandatory step. Enjoy it. But seriously, remember this trick for any other older games you run across that have small windows.