Gate Guardian asks a simple question. How long can you hold the line when every wave of darkness learns from your defenses. This 2026 strategy RPG tower defense survival game from Dmitriy Zakharov and Andrey Zakharov puts you in charge of a lone gate that seals a world ending evil. You have a handful of heroes, a few blueprints, and a steadily rising tide of enemies. The latest version of the game adds a dynamic difficulty system where enemy compositions adapt to your tower placements, forcing you to constantly rethink your strategy.