This time we're looking at Budge Studios' free-to-play racing and track creator Hot Wheels Unlimited.

Buckle up! Get ready to race around Hot Wheels Islands! We’re all about awesome cars, monster trucks, fun racing games, crazy challenges, and building the coolest race tracks around. Head on ...

Hot Wheels Unlimited is a free-to-play release, and it does contain in-app purchases that range up to $6.99, but the most important in-app purchase is the monthly subscription that's priced at $4.99.