diff --git a/elevator.lua b/elevator.lua
new file mode 100644
index 0000000..799568b
--- /dev/null
+++ b/elevator.lua
@@ -0,0 +1,29 @@
+local lastPlayername = ""
+local levelHeight = 6
+
+local shaftBox {
+    min = {x = -744, z = 1474},
+    max = {x = -748, z = 1470},
+}
+
+local hallwayBox {
+    min = {x = -749, z = 1470},
+    max = {x = -744, z = 1477},
+}
+
+local level = {
+    MOUNTAIN = 1,
+    ALLEY = 0,
+    ENCHANT = -1,
+    OREPROCESSING = -2,
+    AUTOCRAFTING = -3,
+    CHICKENS = -4,
+    SPAWNER = -10,
+    REACTOR = -11,
+}
+
+local playerDetector = peripheral.wrap("left")
+
+
+local function main_loop()
+    if lastPlayername == "":