added demo: Vanguard Tides

Author: friflo

README.md

@@ -104,6 +104,16 @@ dotnet add package Friflo.Engine.ECS
 
 ## Projects using friflo ECS
 
+### [Vanguard Tides](https://store.steampowered.com/app/4683140/Vanguard_Tides/)
+
+<a href="https://store.steampowered.com/app/4683140/Vanguard_Tides/"><img src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4683140/329a7b32d98e4c0a9e8f77935b6fe313f3341a17/header.jpg" width="460" height="215"/></a>  
+![Godot](https://img.shields.io/badge/Godot-3d85c6?logo=godotengine&logoColor=white)
+![Steam](https://img.shields.io/badge/Steam-00ADEF?logo=steam&logoColor=white)  
+A survivors-like game exploiting the strength of ECS controlling a very high amount of AI units.  
+A Godot MultiMesh is used to enable reliable 2000 FPS.  
+It uses a single MultiMeshInstance2D node with a single material and shader.
+
+
 ### [Louis Adventure](https://sergeik.itch.io/louis-adventure)
 
 <a href="https://sergeik.itch.io/louis-adventure"><img src="https://github.com/user-attachments/assets/ecf9357a-d240-414f-aa2f-edb0dfd551bd" width="460" height="287"/></a>