Updated November 4, 2019: New entries!

You'd be forgiven for thinking that the tower defence genre was all but done and dusted. It's certainly nothing like as popular as it was at its height.

But as with any massively popular genre, its influence can continue to be felt in countless other genres. Think of all the mobile games that ask you to fend off waves of attacking foes by strategically placing defensive units.

Even without that influence, you still tend to get a couple of excellent TD games released every year. Whether they're recognisable sequels or intriguing new hybrids, the spirit of tower defence lives on.

Here, then, are 25 of the best tower defence games on the Google Play Store.