Type of instant scratch-off lottery games

A method for playing a lottery game with tickets and preventing payoff of an invalid lottery ticket comprising:

• providing a ticket to a player having a plurality of game fields thereon which are choosable by a lottery player;
• providing a scratch-off material on the ticket for covering the game fields to hide contents of the game fields, the scratch-off material being removable by a lottery player to reveal the contents of a game field when the game field is chosen by the player;
• providing a readable security code within each game field and beneath the scratch-off material of the game fields, the security code being revealable when the scratch-off material is removed to reveal the chosen game field contents;
• instructing the lottery player to choose a predetermined number of the game fields and to remove the scratch-off material to reveal the contents of the chosen game fields and the readable security codes;
• reading the security codes of the game fields after the lottery player has chosen to determine the number of game fields having the scratch-off material removed by the player;
• comparing the number of game fields with the scratch-off material removed to the predetermined number of game fields to determine if the proper number of game fields were chosen by the player;
• determining the validity of the lottery ticket based upon said comparison step.