diff --git a/TODO.md b/TODO.md
index d0e3e5e..ea557be 100644
--- a/TODO.md
+++ b/TODO.md
@@ -63,6 +63,7 @@
  - Fast-load menu, progress bar for the rest
  - Only load what is needed?
  - GPU limits? (texture size, texture number)
+ - Advanced particle physics (must move to cpu. Maybe both?)
 
 
 ## Faction interaction