Tower Defense
Play Tower Defense free online: build towers on a 16x16 grid, survive endless waves of monsters, and upgrade your defenses. Classic HTML5 tower defense, no download, no sign-up.
Play Tower Defense
Click an empty grid cell to enter build mode, then click a tower type (arrow, cannon or magic) to place it; placement costs money. Click an existing tower to upgrade it. Monsters arrive in waves with a short delay between waves. Pause and speed controls sit in the panel. On touch screens, tap cells and tower buttons the same way; swipe is not needed because every action is a tap.
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Objective: Hold the base against endless waves of monsters by placing and upgrading towers on a 16x16 grid. Monsters follow a path toward the exit; every monster that reaches the exit costs a life. Earn money from defeated monsters to build more towers. You have 100 lives; the game ends when they run out. There is no final wave — survive as long as you can and beat your best wave. Controls: Mouse: click empty cell to build, click tower to upgrade, click panel buttons for pause / speed / start wave. Touch: tap (all handled as one tap) the same targets. Keyboard and touch follow the same code path. No drag required.
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Source and license
Tower Defense is a Playnesta-hosted adaptation of the open-source html5-tower-defense game. Upstream repository: https://github.com/oldj/html5-tower-defense, upstream commit e3e009c7673121e98d6ff02c85fb442c774b6391, upstream license MIT, upstream attribution Copyright (c) 2017 oldj. Playnesta self-hosted the prebuilt English bundle (build/td-pkg-en-min.js) with no gulp/build chain, stripped the upstream site shell (about links, copyright line, Chinese-language default), added a standalone analytics bridge, a touch shim, and responsive CSS for the canvas. The upstream LICENSE.txt is included alongside this notice. Tower Defense is a generic descriptive term; no trademark claim is made. https://github.com/oldj/html5-tower-defense · MIT
Game facts
- Developer
- Playnesta Games
- Publisher
- Playnesta Games
- Genre
- Strategy, Tower Defense
Playnesta guides
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Last verified 2026-10-20 12:30 UTC. Information can change; follow the linked source for the latest details.