Defend Your Motti Alternatives

Plants vs. Zombies is a tower defense video game by PopCap. A mob of fun-loving zombies is about to invade your home, and your only defense is an arsenal of zombie-zapping plants.

Defense Grid: The Awakening is an award-winning spin on tower defense gameplay that will appeal to players of all skill levels. The latest DLC is Containment and features 8 new levels. Available on Steam for $4.99.

When a horde of angry Rattata attack Professor Oak's lab, it's up to you stop them! Embark on your very own Pokemon quest and venture

Help Timothy gain his footing in the wondrous 3D world of Oz and then guide him as he battles wooden soldiers, saber-toothed tigers and giant frogs in intense tactical battles. Unlock new attacks, use strategy to eliminate foes and defend your towers to the last brick!

"Anuto is yet another tower defense game for android. It features astonishing hand-drawn graphics and a smooth gameplay".

Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support.

Royal Revolt is a reverse tower defense game with beautiful 3D graphics and intuitive gameplay! Lead your soldiers to victory against your greedy relatives who have stolen your father’s throne.

Build, defend and annihilate legion of enemies in this new indie tower defense game. Unlock new heroes, pets, towers and talents on your journey to defending the Kingdom against new and upcoming threats.

What makes it different from all the tower defences you've played so far is that is uses genetic algorithm to make the enemies evolve.

Rewrite history as you take control of the brutal Vikings, the devious Aztecs or the crafty Chinese in their global quest to win the favour of the Gods!