You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period.
Subscription with a free trial period will automatically renew to a paid subscription. * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Note: The Free version may be subject to limitations and the limitations are subject to change. Continue game possibility if you were sunk Upgrade armor shield of your submarine and upgrade speed of your torpedoes 3 different time settings: Night, Dawn, Day 3 types of enemy boats and additional friendly boat You are captain of a submarine on a secret mission behind enemy lines.