diff --git a/doc/functions.md b/doc/functions.md
index d8fff91..bb0657f 100644
--- a/doc/functions.md
+++ b/doc/functions.md
@@ -14,3 +14,18 @@ supports
 
 * minetest game default if present
 * else polyfill
+
+## `get_default_stack_max()`
+
+returns `number`
+
+checks the current game against a table of games with their default stack_max
+
+supports
+
+* minetest game
+* mineclonia
+* farlands reloaded
+* hades revisited
+* exile
+* devtest
diff --git a/src/functions.lua b/src/functions.lua
index 51700b9..408f9c9 100644
--- a/src/functions.lua
+++ b/src/functions.lua
@@ -52,4 +52,18 @@ function functions.sapling_on_place(
 	return itemstack
 end
 
-return functions
\ No newline at end of file
+function functions.get_default_stack_max()
+    local game_stack_table = {
+        -- Only include games that use a different default stack_max
+        mineclonia = 64,
+        exile = 288,
+    }
+    for game, stack in pairs(game_stack_table) do
+        if game == xcompat.gameid then
+            return stack
+        end
+    end
+    return tonumber(core.settings:get("default_stack_max")) or 99
+end
+
+return functions