King of the Kaiju is a free Android action game developed by Downplay Games. The game puts players in control of a Godzilla-like monster, rampaging through the city while the military tries to stop them. The goal is to reach 100 points and beyond by tapping the screen to fire Atomic Fire Blast attacks at Tanks, Jets, and Helicopters attacking the monster. The gameplay is intense and requires quick reflexes to avoid being overwhelmed by the military forces.

The game features a Boss Gauntlet mode where players can fight against an onslaught of Quadcopter and Mecha Kaiju bosses. For players who want to improve their skills, there is also a Practice mode. Completing in-game goals unlocks a variety of different skins for the monster. Additionally, players can use Google Play Game Services to unlock achievements and post their high scores to the Leaderboards to compare against their friends.

Overall, King of the Kaiju is an exciting action game that offers thrilling gameplay and a chance to become the ultimate monster king.