One Tower Defense

One Tower Defense is a Roguelike Tower Defense game where you control a single tower. Gather resources, buy weapons and upgrades, and fight endless waves of enemies. Play in single-player mode or in multiplayer mode, where the last survivor wins.

At a glance

• Platform: Windows, Linux.
• Genres: Action, Indie, Strategy.
• Release date: Jun 18, 2026.
• Steam user reviews: Mixed (43% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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