diff --git a/game.md b/game.md
index 632a61493..0a4142308 100644
--- a/game.md
+++ b/game.md
@@ -3,3 +3,5 @@
 - I'm slowly building a game engine. The [[agora]] is part of it.
   - It is [[open source]]. Content is [[crowd sourced]].
 
+https://twitter.com/flancian/status/1381298426416087041
+