diff --git a/TODO.md b/TODO.md
index 7209a06..db5412c 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,8 +2,9 @@
 
 ## Currently working on:
  - first: remove object array
- - first: sticky particles
+ - first: sticky effects
  - first: rework timings
+ - first: read state from image so we can add objects?
  - clickable buttons
  - planet outfitter
 
@@ -106,7 +107,7 @@
 - Trigger sprite reel when firing (requires: non-removable outfits)
 - then: ship tint
 - then: frame timing randomness
-- then: leaks during collapse (needs particle physics)
+- then: leaks during collapse (needs effect physics)
 - then: passive engine glow, ease in/out
 - Sprite color variation
 
@@ -116,12 +117,11 @@
 - Cache direcory
 - How to pack?
 
-## Particle physics
-- Particles should stick to their ships. How?
-- Particle compute shader
-- Land and unland particles
+## Effect physics
+- Effect should stick to their ships. How?
+- Land and unland effects
 - Effect on fire gun
-- Particle / sprite color variation
+- Effect / sprite color variation
 
 ## Sound effects
 - Sound effects
@@ -146,12 +146,11 @@
  - Ship death damage and force events
  - Gun fire effect
  - Sprite color variation
- - Multi-particle effects
  - Better loading
    - incremental?
    - Higher texture limit (16 x 8096 x 8096 isn't enough)
-   - GPU limits? (texture size, texture number, particle/sprite limits)
- - Particles when a ship is damaged (events)
+   - GPU limits? (texture size, texture number, effect/sprite limits)
+ - Effect when a ship is damaged (events)
  - Sticky radar
  - Arbitrary size resource names