For our 4th Casual Gameplay Design Competition, Brazilian game author Guilherme Töws has tapped the philosophy of yin and yang to bring us Bisection Dominion. Your charge is to defend a pristine river against a falling tide of poisonous bubbles, using a sword controlled by your gestural input. We often talk about the zen of gaming, but rarely does a game embrace the idea so whole-heartedly.

An fantastic Flash shoooter with fast action and stunning visuals, ShoOot is the certainly one of the greatest and most addictive games from the house of Tonypa. Borrowing an element of gameplay from Pang and Duo, the veteran casual game developer serves up an accessible and immediately gratifying experience using Web-efficient stylized graphics.