We've already reached the fifth day of our 2019 advent calendar, which I think we can all agree is a pretty impressive achievement. Haven't heard of the advent calendar before? Well it's a chance for you, our lovely and aesthetically pleasing readers to win copies of some of the very best games that have come out for mobile in the last 12 months.

Today's game is the antipodean point and click adventure Stone: Episode 1, which features a foul-mouthed koala trying to find out what happened to one of his friends. We've got 5 iOS codes to give away for this one, but don't worry Android players, we'll have more goodies for you in the days to come.

When we reviewed the game we said "Stone is an adventure that plays at its own pace, and if you're looking for something slow, thoughtful, and funny, you're going to love it." You can click here to read the review in its entirety, or if you'd prefer you can check it out in video form in the embed below.

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Now you're probably wondering how you can win a copy. It's pretty easy, all you have to do to win one of the 5 codes is fill in some details below. We'll pick a winner at random at the end of the day and let you know. Remember, this one's for iOS gamers only, but we'll have more treats for Android gamers coming up in the next few days.

a Rafflecopter giveaway Come back tomorrow and we'll have another brilliant game up for grabs.