diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..3df6db1
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,28 @@
+local func = function()
+    local player = minetest.get_player_by_name("singleplayer")
+    local pos = player:get_pos()
+    local grav = 1
+    if pos.y > 10 then grav = 10/pos.y end
+    player:set_physics_override({gravity=grav})
+
+end
+
+minetest.register_abm({
+	nodenames = {
+		"air",
+		"default:stone",
+		"default:dirt",
+		"default:sand",
+		"default:water_source"
+	},
+	neighbors = {
+		"air",
+		"default:stone",
+		"default:dirt",
+		"default:sand",
+		"default:water_source"
+	},
+	interval = 1,
+	chance = 1,
+	action = func
+})