Apps Gone Free the other day was Playword Superheroes.
As a teacher who has seen first hand how using popular video games can both inspire and engage children to produce quality writing, this app is another great stimulus to use. It is a technique I call camouflage learning and you can read about how I have previously used other iPad games like angry birds and temple run here and, of course, Minecraft.
Often the problem is, most popular games aren't appropriate for the classroom. Playworld Superheroes is a fantastic way to inspire writing through a video game appropriate for primary school age children.
Here is a quick trailer for the game -