Retro TD

Retro TD is a maze-building tower defense game inspired by the freedom of classic route-blocking TDs. Every placement matters: build towers to deal damage, block the road to reroute ground enemies, and create longer paths for your defenses to exploit. Just make sure you never seal off every possible route. 

Play through 10 themed levels with randomly generated routes, 3 difficulty levels, 8 distinct tower types, and two powerful final forms for every tower. Ground enemies must follow your maze, while flying enemies ignore it entirely — so reading each tower’s targeting ability is part of the strategy. 

Expect mini bosses every 5 waves, a major boss every 10 waves, plus Challenge, Endless, and Daily Challenge modes when you want to push further. 

New to maze tower defense? Start with the Tutorial in the top-left corner of the main menu. 

Retro TD supports English and Traditional Chinese and can be played directly in your browser.

Play free. Support if you like it. All levels and modes are free to play. If you enjoy Retro TD, consider an optional US$2 contribution to support development and updates. Payment is not required to access any gameplay content.