diff --git a/mods/maps/init.lua b/mods/maps/init.lua
index 4dcbccd..ea62450 100644
--- a/mods/maps/init.lua
+++ b/mods/maps/init.lua
@@ -2,6 +2,13 @@ function place_map(map)
 	local map_path = core.get_modpath("maps") .. "/maps/"
 	core.place_schematic({x=0, y=0, z=0}, map_path .. map .. "/map.mts", 0, nil, false)
 	local map_data = dofile(map_path .. map .. "/map.lua")
+	
+	if map_data.spawn_x == nil or map_data.spawn_y == nil or map_data.spawn_z == nil do -- set a default spawnpoint if not set
+		map_data.spawn_x = map_data.size_x / 2
+		map_data.spawn_y = map_data.barrier_level + 1
+		map_data.spawn_z = map_data.size_z / 2
+	end
+	
 	return map_data
 end
 
diff --git a/mods/maps/maps/forest/map.lua b/mods/maps/maps/forest/map.lua
index dc9dd3e..7cfd9be 100644
--- a/mods/maps/maps/forest/map.lua
+++ b/mods/maps/maps/forest/map.lua
@@ -1,13 +1,13 @@
 local map_data = {
-	size_x = 0,
-	size_y = 0, -- <- currently not used for anything
-	size_z = 0,
+	size_x = 155,
+	size_y = 53,
+	size_z = 147,
 	
-	barrier_level = 0, -- <- Y level of the barrier
+	barrier_level = 49, -- <- Y level of the barrier
 	
-	spawn_x = 0,
-	spawn_y = 0,
-	spawn_z = 0
+	spawn_x = nil,
+	spawn_y = nil,
+	spawn_z = nil
 }
 
 return map_data
diff --git a/mods/maps/maps/forest/map.mts b/mods/maps/maps/forest/map.mts
index ffe3954..9f52a1a 100644
Binary files a/mods/maps/maps/forest/map.mts and b/mods/maps/maps/forest/map.mts differ
diff --git a/mods/maps/maps/pine/map.lua b/mods/maps/maps/pine/map.lua
index 8b13789..a124292 100644
--- a/mods/maps/maps/pine/map.lua
+++ b/mods/maps/maps/pine/map.lua
@@ -1 +1,13 @@
+local map_data = {
+	size_x = 111,
+	size_y = 64,
+	size_z = 107,
+	
+	barrier_level = 60, -- <- Y level of the barrier
+	
+	spawn_x = nil,
+	spawn_y = nil,
+	spawn_z = nil
+}
 
+return map_data
diff --git a/mods/maps/maps/pine/map.mts b/mods/maps/maps/pine/map.mts
index 28564dc..9e6c830 100644
Binary files a/mods/maps/maps/pine/map.mts and b/mods/maps/maps/pine/map.mts differ
diff --git a/mods/maps/maps/savanna/map.lua b/mods/maps/maps/savanna/map.lua
index 8b13789..f3851e7 100644
--- a/mods/maps/maps/savanna/map.lua
+++ b/mods/maps/maps/savanna/map.lua
@@ -1 +1,13 @@
+local map_data = {
+	size_x = 341,
+	size_y = 83,
+	size_z = 188,
+	
+	barrier_level = 79, -- <- Y level of the barrier
+	
+	spawn_x = nil,
+	spawn_y = nil,
+	spawn_z = nil
+}
 
+return map_data
diff --git a/mods/maps/maps/savanna/map.mts b/mods/maps/maps/savanna/map.mts
index f3eb463..c6401b5 100644
Binary files a/mods/maps/maps/savanna/map.mts and b/mods/maps/maps/savanna/map.mts differ