Log onto MyCokerewards.com, and on the front page look for an icon like this below.
Click picture to go to sweepstakes! Before your click enter, look for this wording. "Want even more chances to win? Enter up to 5 times per day. No purchase necessary. See rules for details."
Click "rules" and scroll down to #5b you will see alternative way to play. Press "click here," you will now be granted 1 FREE instant win game!! You can do this 5 times per day, then go through and play the game 5 times per day as well. I've won several times on MyCokeRewards this way.