Free iPhone games: Vay, Kingdom Rush

Welcome to another instalment of Pocket Gamer's free game round-up - a feature that highlights the top App Store titles that have been made free in the past 24 hours.

Get in quickly, though. Prices in the App Store change frequently, so grab these freebies before you miss out on a top bargain.

Remember to let us and your fellow readers know about any other great free apps in our comments section below.

Additionally, you can find out about all the latest App Store updates, price drops, and more by using the cleverly hidden hyperlink in this paragraph.

And if you're craving even more quality freebies, be sure to check out the Free App Alliance iPhone app for daily recommendations of the best free apps the App Store has to offer.

Vay is a classic Sega CD role-playing title from 1994 that's been updated for the iPhone with widescreen graphics and touchscreen controls.

This RPG features 90 explorable expansive areas, 100 unique enemies to battle, and a dozen challenging bosses to overcome.

In this colourful strategy-filled battler, you defend your kingdom against hordes of orcs, trolls, evil wizards, and other unworldly beings using a varied selection of towers - all of which can be upgraded in eight ways.

Kingdom Rush is packed with "hours" of gameplay and 50 unlockable Game Center-powered achievements.

There's also a pretty neat encyclopaedia that contains information on your defences and the game's 45 enemies.