It's day six of Pocket Gamer's 2019 advent calendar giveaway. We like to see it as a way of giving back to you, our wonderful and gregarious readership. Because it literally is, we've got a whole bunch of codes for the best mobile games of the last 12 months to fire out in your direction.

Today's giveaway is Galaxy Stack from Crescent Moon Games. We've got 10 iOS codes for the game to giveaway, so you've got multiple chances to bag yourself a copy, if that's how maths works. Don't worry Android players, we're going to have more codes for you in the coming days.

The game sees you shooting down alien ships as they descend. Rather than scoring points for explosions, here you get points for the neat and tidy pile of destroyed ships that you're stacking up. It's an interesting twist on an old idea, and you can click here to read exactly what we thought of Galaxy Stack in our review. Or if you'd prefer, use your peepers to check out the trailer for the game below.

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So how do you win? Well it's easy, all you have to do is add your details in the form below, and we'll pick a winner at random from all the entries. Remember that these codes are for iOS only, so if you've only got an Android device you're going to have to wait for another chance in the next few days.

a Rafflecopter giveaway Make sure you come back tomorrow, when we'll have another giveaway of another amazing game. Don't forget that you can head over to our hub page (maybe even cheekily bookmark it) so you know exactly where to head for tomorrow's giveaway.