This page contains Doom Codes for 3DO called "Screen size" and has been posted or updated on Aug 24, 2006 by cornell11. Let us know what you think of this Code by thumbs voting.
Press Up, Right, LS, Up, Right(2), RS, A, Left at the auto-map screen during game play. Do not pause the game. A sound will confirm correct code entry. The game may now be set to run in two additional larger screen sizes, including full screen.
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