Non-GMO. Opal apples are Non-GMO Project verified. They are the first U.S. apple variety to be verified by the Non-GMO Project, the only independent verification in North America for non-GMO food.

The brand was introduced by Mars in the UK in 1960, named Opal Fruits by Peter Phillips (known as Peter Pfeffer at the time), the winner of a competition that won him 5. Produced at their factory in Slough, Berkshire, the four original flavours were strawberry, lemon, orange and lime.

The last player left in the game after all others become bankrupt wins the game.