Update game.md

DuckEater54 · web-flow · commit d49784a062db · 2021-12-25T13:32:33.000+08:00
diff --git a/categories/game.md b/categories/game.md
@@ -79,7 +79,7 @@ App Name                   | Describe                  | Major Language
 :------------------------: | :------------------------ | :------------------------: | :------------------------: 
 [Material Life](https://github.com/juankysoriano/MaterialLife) | A Material Design styled Game of Life for Android | Java | 
 [Memory Game](https://github.com/sromku/memory-game) | Simple and beautiful memory game for kids  | Java | 
-[Mindustry](https://github.com/Anuken/Mindustry) | A sandbox tower defense game | Java | 
+[Mindustry](https://github.com/Anuken/Mindustry) | A sandbox tower defense game | Java | [![Get it on Google Play](https://i.imgur.com/T9HnFlW.png)](https://play.google.com/store/apps/details?id=io.anuke.mindustry)
 [Minetest](https://github.com/minetest/minetest) | Minetest, an open source infinite-world block sandbox game with survival and crafting. http://www.minetest.net/  | C++ | [![Get it on Google Play](https://i.imgur.com/T9HnFlW.png)](https://play.google.com/store/apps/details?id=net.minetest.minetest)
 
 ### N  
