Trine is a beautiful fantasy action platformer with a fairytale-like atmosphere, following the journey of three heroes – a Wizard, a Knight and a Thief – in a quest to save the kingdom from evil. You play as one of the Three Heroes who make their way through dangers untold in a fantastical fairytale world. The gameplay is based on fully interactive physics – each character’s different abilities and tactics can be used to invent new ways to battle an army of undead and overcome obstacles, and restore the balance of the world. It is currently on sale for £0.69.
The sequel, Trine 2, improved upon the original and takes place a few years after the events of the first game. The improvements include improved visuals and online co-op, so you can play with your friends. It is currently on sale for £1.99.