diff --git a/create-world.sh b/create-world.sh
new file mode 100755
index 0000000..d8b2f00
--- /dev/null
+++ b/create-world.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+
+sqlite3 iminiru.db < sql/planes.sql
+sqlite3 iminiru.db < sql/planets.sql
+sqlite3 iminiru.db < sql/rooms.sql
+
+sqlite3 iminiru.db < iminiru/data.sql
+
diff --git a/drop-world.sh b/drop-world.sh
new file mode 100755
index 0000000..a42486a
--- /dev/null
+++ b/drop-world.sh
@@ -0,0 +1,3 @@
+#! /bin/bash
+
+sqlite3 iminiru.db < sql/drop-world.sql
diff --git a/sql/drop-world.sql b/sql/drop-world.sql
new file mode 100644
index 0000000..8c6b45e
--- /dev/null
+++ b/sql/drop-world.sql
@@ -0,0 +1,10 @@
+-- This SQL script drops all world related tables.
+-- Please never drop non-world tables, like players from here!
+
+DROP TABLE planet_planes;
+DROP TABLE planets;
+DROP TABLE planes;
+DROP TABLE room_exits;
+DROP TABLE rooms;
+DROP TABLE areas;
+DROP TABLE directions;
diff --git a/sql/planes.sql b/sql/planes.sql
index 708537c..227f8d0 100644
--- a/sql/planes.sql
+++ b/sql/planes.sql
@@ -1,3 +1,6 @@
+-- Okay, so you update this file. But if you create a table, don't forget to
+-- update drop.sql, either!
+
 CREATE TABLE planes (
 	id integer primary key,
 	name varchar(40) not null unique
diff --git a/sql/planets.sql b/sql/planets.sql
index 9671f99..96fabe6 100644
--- a/sql/planets.sql
+++ b/sql/planets.sql
@@ -1,3 +1,6 @@
+-- Okay, so you update this file. But if you create a table, don't forget to
+-- update drop.sql, either!
+
 CREATE TABLE planets (
 	id integer NOT NULL PRIMARY KEY,
 	name varchar(40) NOT NULL UNIQUE
diff --git a/sql/rooms.sql b/sql/rooms.sql
index 1d41d4b..3ca32af 100644
--- a/sql/rooms.sql
+++ b/sql/rooms.sql
@@ -1,3 +1,6 @@
+-- Okay, so you update this file. But if you create a table, don't forget to
+-- update drop.sql, either!
+
 CREATE TABLE directions (
 	id integer NOT NULL PRIMARY KEY,
 	short_name varchar(2) NOT NULL UNIQUE,