Number 1: Plants vs Zombies
Plants vs Zombies is one of the best free-to-play tower defense games on Android. Its unique artistic design and original idea of defending your garden with deadly plants make it a vivid and addictive experience. Each stage in the game offers its own set of characteristics, ensuring that progressing through them presents new challenges and excitement.
Number 2: Castle Defense
Castle Defense is another successful free-to-play title set in a special atmosphere. It stands as one of the more established tower defense games in the genre and is beginner-friendly. The game boasts great design and sound, offering over 100 levels, three difficulty settings, and an exciting upgrade system, ensuring players keep coming back for more.
Number 3: Fieldrunners 2
Fieldrunners 2 features science fiction and fantasy themes, with an extensive array of towers available throughout its 20-hour single-player campaign. With plenty of explosions, this game is a lot of fun and highly addictive. Proceed with caution!