Cook bacon till crisp; drain, reserving drippings.
Crumble bacon; set aside.
Cook meat and onion in drippings till meat is browned.
Drain; set aside.
In saucepan combine catsup, vinegar, sugar, Worcestershire, garlic,1/2 cup water, 1 teaspoon salt, and 1/8 teaspoon pepper.
Stir in venison, onion, and bacon.
Cover; cook till venison is tender, 45 to 55 minutes