Getting started in Zombie Tsunami is very straightforward. On the main screen, tap on the zombies wandering around to make them jump into the air. When zombies land on humans, those humans get infected and turn into zombies themselves, joining your ever-growing horde.

The goal is to infect as many humans as possible by guiding your zombies to jump on them. Tap repeatedly to keep the zombies jumping, allowing them to cover more distance. Swipe left or right to make the zombies change direction in mid-air. Time your jumps carefully to land squarely on top of humans to infect them quickly.

As you infect more humans, your zombie horde will grow in number. This makes it easier to quickly overwhelm more humans, spreading your infection even faster. Combos and multipliers are awarded for infecting humans in rapid succession without touching the ground, increasing your score.

Occasionally humans fight back, shooting at your zombies or throwing explosives to blow them into the air. Guide your zombies to dodge gunfire and explosives. If a zombie gets taken out, just keep infecting more humans to replenish your ranks.

Certain items like sports equipment or vehicles can also be used to extend your jumps. Tap on trampolines, skateboards, or cars to bounce your zombies higher into the air, allowing them to cover more distance.

Various missions and challenges will appear, like infecting specific types of humans or jumping over certain distances. Complete these added objectives to earn coins and unlock powerups that can boost your zombies’ speed, jumping power, and more.

With its simple, addictive gameplay, funny physics, and growing zombie army mechanics, Zombie Tsunami offers some lightweight undead action that gradually becomes more frantic and engaging the more humans you infect.