diff --git a/site/lists/portfolio.html b/site/lists/portfolio.html
index 1ae217a..c30c411 100644
--- a/site/lists/portfolio.html
+++ b/site/lists/portfolio.html
@@ -146,6 +146,11 @@ An example scene made for libgarbage, showing most of the primitive shapes avail
 </p>
 <h2 id="cellular-automata">cellular automata</h2>
 <h3 id="game-of-life">game of life</h3>
+<p>
+<code>2023-07</code><br>
+I also made a web version of this in may 2021, see <a href="https://gol.crispypin.cc/?cellsize=10&time=2">gol.crispypin.cc</a> or <a href="https://github.com/CrispyPin/gol-wallpaper">github.com/CrispyPin/gol-wallpaper</a> for the source<br>
+<img loading="lazy" src="/media/shaders/game_of_life.png" alt="Conway's game of life" title="Conway's game of life"></img>
+</p>
 <h3 id="rule-110">rule 110</h3>
 <p>
 <code>2023-09</code><br>
diff --git a/site/media/shaders/game_of_life.png b/site/media/shaders/game_of_life.png
new file mode 100644
index 0000000..9f30e14
Binary files /dev/null and b/site/media/shaders/game_of_life.png differ
diff --git a/write/lists/portfolio.md b/write/lists/portfolio.md
index b9b9abb..b5de4a8 100644
--- a/write/lists/portfolio.md
+++ b/write/lists/portfolio.md
@@ -92,6 +92,9 @@ An example scene made for libgarbage, showing most of the primitive shapes avail
 ==video:"/media/shaders/rm_boxes.mp4"
 ## cellular automata
 ### game of life
+`2023-07`
+I also made a web version of this in may 2021, see [gol.crispypin.cc](https://gol.crispypin.cc/?cellsize=10&time=2) or [github.com/CrispyPin/gol-wallpaper](https://github.com/CrispyPin/gol-wallpaper) for the source
+==image:"/media/shaders/game_of_life.png":"Conway's game of life"
 ### rule 110
 `2023-09`
 See [Elementary cellular automaton (Wikipedia)](https://en.wikipedia.org/wiki/Elementary_cellular_automaton).