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Defend your Qi and study Graphs. All you do is place towers and upgrade them, but when-and-where makes all the difference. Every battle can be won in multiple ways. Each variation in tactic is rewarded with its own trophy. When it's over you can see your strategy plotted with beautiful graphs.
Game modes: Single player
Right now the lowest price for Tau Defense we're tracking is $12.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Tau Defense is $12.99 at Steam on August 21, 2026. The current best price matches that all-time low — historically a good time to buy.
Tau Defense released on May 16, 2022, developed by Blue Math and published by Blue Math.
Tau Defense is available on PC (Microsoft Windows). It supports single player.
The cheapest Tau Defense price right now is $12.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $12.99 | Buy Tau Defense at Steam |
All-time low: $12.99 at Steam on Aug 21, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
