diff --git a/src/levels/lobby.js b/src/levels/lobby.js
new file mode 100644
index 0000000..7a8f8ab
--- /dev/null
+++ b/src/levels/lobby.js
@@ -0,0 +1,24 @@
+// Seed #4: the lobby of the arcade. A row of cabinets; the door on the left goes back up to the roof.
+import { PAL } from "../palette.js";
+import { blit } from "../sprites.js";
+
+export default {
+  name: "lobby",
+  label: "lobby",
+  ground: 150,
+  platforms: [{ x: 210, y: 118, w: 46 }],
+  start: { x: 40, y: 150 },
+  exits: {},
+  doors: [{ x: 16, y: 138, to: "rooftop", at: { x: 60, y: 90 } }],
+  boss: null,
+  spawn: [],
+  music: "lobby-a",
+  draw(g) {
+    g.fillStyle = PAL.skyDeep; g.fillRect(0, 0, 320, 180);
+    g.fillStyle = PAL.wall; g.fillRect(0, 24, 320, 126);
+    g.fillStyle = PAL.ink; g.fillRect(0, 150, 320, 30);
+    for (let x = 0; x < 320; x += 16) { g.fillStyle = (x / 16) % 2 ? PAL.roof : PAL.far; g.fillRect(x, 150, 16, 4); }
+    for (let i = 0; i < 6; i++) blit(g, "cabinet", 60 + i * 24, 136);
+    g.fillStyle = PAL.roof; g.fillRect(210, 118, 46, 4);
+  },
+};