diff --git a/.gitmodules b/.gitmodules
index abd233e6..0c0aea01 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -212,3 +212,9 @@
 [submodule "addons/HLA-VScript/module"]
 	path = addons/HLA-VScript/module
 	url = https://github.com/FrostSource/HLA-VScript.git
+[submodule "addons/pico8/module"]
+	path = addons/pico8/module
+	url = https://github.com/ahai64/pico8
+[submodule "addons/picotron/module"]
+	path = addons/picotron/module
+	url = https://github.com/ahai64/picotron
diff --git a/addons/pico8/module b/addons/pico8/module
new file mode 160000
index 00000000..a268fd6f
--- /dev/null
+++ b/addons/pico8/module
@@ -0,0 +1 @@
+Subproject commit a268fd6f1127a5a1f90370935bbc330167477b60
diff --git a/addons/picotron/module b/addons/picotron/module
new file mode 160000
index 00000000..c2218ade
--- /dev/null
+++ b/addons/picotron/module
@@ -0,0 +1 @@
+Subproject commit c2218ade81529a63281bca78719ef40434156030