"instant win" is correct and usable in written English.
It can be used to refer to a game or a promotion in which the winner is decided instantly, without the need for a drawing or distance. For example, "By playing the 'instant win' game, I could win a cash prize right away!".
There are also "instant win" prizes and vouchers up for grabs in the offer, which runs until 2 February.
Glu Mobile announced this week that it is working with McDonalds to give away one million "instant win" game prizes from the popular Monopoly sweepstakes game McDonald's conducts every year.
Take, for example, the Louisiana Lottery's Tic Tac 2s instant win game.
In the instant win portion of the game, consumers win a free items redeemable on their next visits, driving the potential for an additional future purchases.
There are also instant win prizes and vouchers up for grabs in the offer which runs until Tuesday, 2 February.
Nonetheless, the temptations for an instant win of up to £50 million will prove too great for many to resist - with up to 200 people a second expected to buy tickets in the hour before the draw (at 8.30pm).
Ask Lennon for a football ideology and the response will be instant: "Winning".
The Williamses have always been a law to themselves, with a seemingly endless capacity to ignore the rigours of the WTA tour and parachute into the slams with instant winning form.
If 3D printing develops as we expect, we could one day buy patterns to print clothes at home, marketing promotions could give instant wins, and the entire fabric of the industrial revolution could be subverted to put consumers in control.
They suggested I start by entering the comps that were ending soon, then the "instant wins", then the social media comps that only lasted for a day or so, and lastly entering comps that utilised skills I was good at – as fewer people enter them.
Suggesting to start by entering the comps that were ending soon, then the "instant wins," then the social media comps that only lasted for a day or so, and lastly entering comps that utilized skills I was good at as fewer people enter them.
