diff --git a/doors/build.sh b/doors/build.sh
index 7615a8d..d38ef5b 100755
--- a/doors/build.sh
+++ b/doors/build.sh
@@ -43,8 +43,23 @@ doodad edit-doodad -q --tag color=small small-key.doodad
 doodad install-script keys.js small-key.doodad
 
 doodad convert -t "Electric Door" electric{1,2,3,4}.png door-electric.doodad
+doodad edit-doodad -q --option "opened=bool" door-electric.doodad
 doodad install-script electric-door.js door-electric.doodad
 
+# All locked doors have an option to unlock.
+doodad edit-doodad -q --option "unlocked=bool" door-green.doodad
+doodad edit-doodad -q --option "unlocked=bool" door-blue.doodad
+doodad edit-doodad -q --option "unlocked=bool" door-yellow.doodad
+doodad edit-doodad -q --option "unlocked=bool" door-red.doodad
+doodad edit-doodad -q --option "unlocked=bool" small-key-door.doodad
+
+# All keys may be subject to gravity.
+doodad edit-doodad -q --option "has gravity=bool" key-green.doodad
+doodad edit-doodad -q --option "has gravity=bool" key-blue.doodad
+doodad edit-doodad -q --option "has gravity=bool" key-yellow.doodad
+doodad edit-doodad -q --option "has gravity=bool" key-red.doodad
+doodad edit-doodad -q --option "has gravity=bool" small-key.doodad
+
 # Tag the category for these doodads
 for i in *.doodad; do doodad edit-doodad --tag "category=doors" $i; done
 doodad edit-doodad --tag "category=doors,gizmos" door-electric.doodad
diff --git a/doors/colored-door.js b/doors/colored-door.js
index 1c47ab6..b529d57 100644
--- a/doors/colored-door.js
+++ b/doors/colored-door.js
@@ -1,7 +1,17 @@
-// Colored Locked Doors.
+/*
+Colored Locked Doors
+
+This script handles the blue, green, red, yellow and small-key doors.
+
+Each door has a corresponding key that will unlock it. Small Key doors consume a
+small key when unlocked for the first time.
+
+Options: "unlocked" can make the door unlocked by default when the level begins.
+*/
 
 const color = Self.GetTag("color"),
-	keyname = color === "small" ? "small-key.doodad" : "key-" + color + ".doodad";
+	keyname = color === "small" ? "small-key.doodad" : "key-" + color + ".doodad",
+	isUnlocked = Self.GetOption("unlocked");
 
 function main() {
 	// Layers in the doodad image.
@@ -19,6 +29,12 @@ function main() {
 
 	Self.SetHitbox(34, 0, 13, 76);
 
+	// Options: door is unlocked at level start?
+	if (isUnlocked) {
+		unlocked = true;
+		Self.ShowLayer(layer.unlocked);
+	}
+
 	Events.OnCollide((e) => {
 		// Record the side that this actor has touched us, in case the door
 		// needs to open.
diff --git a/doors/electric-door.js b/doors/electric-door.js
index 5c35201..07e274b 100644
--- a/doors/electric-door.js
+++ b/doors/electric-door.js
@@ -1,8 +1,16 @@
-// Electric Door
+/*
+Electric Door
 
-let animating = false;
-let opened = false;
-let powerState = false;
+Opens when it receives power. Closes when power is removed.
+
+Always toggles when activated by a switch.
+
+Options: opened (bool) to make it opened by default on level start.
+*/
+
+let animating = false,
+	opened = Self.GetOption("opened") === true,
+	powerState = false;
 
 // Function to handle the door opening or closing.
 function setPoweredState(powered) {
@@ -35,6 +43,12 @@ function main() {
 
 	Self.SetHitbox(0, 0, 34, 76);
 
+	// If the player has configured the door to be opened by default, make it so.
+	if (opened) {
+		powerState = true;
+		Self.ShowLayer(3);
+	}
+
 	// A linked Switch that activates the door will send the Toggle signal
 	// immediately before the Power signal. The door can just invert its
 	// state on this signal, and ignore the very next Power signal. Ordinary
diff --git a/doors/keys.js b/doors/keys.js
index c51154d..23be9fe 100644
--- a/doors/keys.js
+++ b/doors/keys.js
@@ -1,9 +1,19 @@
-// Colored Keys and Small Key
+/*
+Colored Keys and Small Key
+
+Options: "has gravity" will make the key subject to gravity.
+*/
 
 const color = Self.GetTag("color"),
-	quantity = color === "small" ? 1 : 0;
+	quantity = color === "small" ? 1 : 0,
+	hasGravity = Self.GetOption("has gravity") === true;
 
 function main() {
+	if (hasGravity) {
+		Self.SetGravity(hasGravity);
+		Self.SetMobile(true);
+	}
+
 	Events.OnCollide((e) => {
 		if (e.Settled) {
 			if (e.Actor.HasInventory()) {
diff --git a/gems/Makefile b/gems/Makefile
index f9e5d87..1765147 100644
--- a/gems/Makefile
+++ b/gems/Makefile
@@ -55,4 +55,15 @@ build:
 		doodad edit-doodad --tag "category=doors" $${i};\
 	done
 
+	# Gemstones have gravity by default, but make it configurable.
+	doodad edit-doodad -q --option "has gravity=bool=true" gem-green.doodad
+	doodad edit-doodad -q --option "has gravity=bool=true" gem-yellow.doodad
+	doodad edit-doodad -q --option "has gravity=bool=true" gem-red.doodad
+	doodad edit-doodad -q --option "has gravity=bool=true" gem-blue.doodad
+
+	# Totems have an option to mark them unlocked by default.
+	for i in gem-totem-*.doodad; do\
+		doodad edit-doodad -q --option "has gemstone=bool" $${i};\
+	done
+
 	cp *.doodad ../../../assets/doodads/
\ No newline at end of file
diff --git a/gems/gemstone.js b/gems/gemstone.js
index efb9361..73ec353 100644
--- a/gems/gemstone.js
+++ b/gems/gemstone.js
@@ -1,11 +1,14 @@
 // Gem stone collectibles/keys.
 
 const color = Self.GetTag("color"),
-    shimmerFreq = 1000;
+    shimmerFreq = 1000,
+	hasGravity = Self.GetOption("has gravity") === true;
 
 function main() {
-	Self.SetMobile(true);
-	Self.SetGravity(true);
+	if (hasGravity) {
+		Self.SetMobile(true);
+		Self.SetGravity(true);
+	}
 
     Self.AddAnimation("shimmer", 100, [0, 1, 2, 3, 0]);
 	Events.OnCollide((e) => {
diff --git a/gems/totem.js b/gems/totem.js
index 3598f50..be526e8 100644
--- a/gems/totem.js
+++ b/gems/totem.js
@@ -20,7 +20,8 @@ let color = Self.GetTag("color"),
     activated = false,
     linkedReceiver = false, // is linked to a non-totem which might want power
     totems = {}, // linked totems
-    shimmerFreq = 1000;
+    shimmerFreq = 1000,
+    isUnlocked = Self.GetOption("has gemstone") === true;
 
 function main() {
     // Show the hollow socket on level load (last layer)
@@ -39,6 +40,12 @@ function main() {
     // are the filled socket sprites.
     Self.AddAnimation("shimmer", 100, [0, 1, 2, 3, 0]);
 
+    // Options: if it already has its gemstone, set its state accordingly.
+    if (isUnlocked) {
+        activated = true;
+        Self.ShowLayer(0);
+    }
+
 	Events.OnCollide((e) => {
         if (activated) return;
 
diff --git a/options_test.js b/options_test.js
new file mode 100644
index 0000000..3a84128
--- /dev/null
+++ b/options_test.js
@@ -0,0 +1,15 @@
+// Test doodad script for Options.
+function main() {
+    console.error("OptionsTest Doodad: %s (%s)", Self.Title, Self.ID());
+    const options = Self.Options();
+    for (let item of options) {
+        let value = Self.GetOption(item);
+        console.log("Option %s = %+v", item, value);
+
+        if (value === true) {
+            console.log("It is a true boolean!");
+        } else if (value === false) {
+            console.log("It is a false boolean!");
+        }
+    }
+}
\ No newline at end of file
diff --git a/regions/Makefile b/regions/Makefile
index 890ecf4..afdd10c 100644
--- a/regions/Makefile
+++ b/regions/Makefile
@@ -13,6 +13,7 @@ build:
 	# Fire Region
 	doodad convert -t "Fire Region" fire-128.png reg-fire.doodad
 	doodad install-script fire.js reg-fire.doodad
+	doodad edit-doodad -q --option "name=str=fire" reg-fire.doodad
 
 	# Stall Region
 	doodad convert -t "Stall Player (250ms)" stall-128.png reg-stall-250.doodad
@@ -29,7 +30,7 @@ build:
 
 	# Warp Door
 	doodad convert -t "Invisible Warp Door" warp-door-64.png reg-warp-door.doodad
-	doodad edit-doodad --tag "color=invisible" reg-warp-door.doodad
+	doodad edit-doodad --tag "color=invisible" --option "locked (exit only)=bool" reg-warp-door.doodad
 	doodad install-script ../warp-door/warp-door.js reg-warp-door.doodad
 
 	# Reset Level Timer
diff --git a/regions/fire.js b/regions/fire.js
index 977537a..452e53d 100644
--- a/regions/fire.js
+++ b/regions/fire.js
@@ -1,4 +1,6 @@
-// Goal Region.
+// Fire Region
+const name = Self.GetOption("name");
+
 function main() {
     Self.Hide();
 
@@ -13,7 +15,7 @@ function main() {
         }
 
         if (e.InHitbox) {
-            FailLevel("You have died!");
+            FailLevel(`Watch out for ${name}!`);
         }
     });
 }
diff --git a/trapdoors/Makefile b/trapdoors/Makefile
index 596c1b2..718118c 100644
--- a/trapdoors/Makefile
+++ b/trapdoors/Makefile
@@ -29,6 +29,6 @@ build:
 	# Build the Electric Trapdoor.
 	doodad convert -t "Electric Trapdoor" electric{1,2,3,4}.png electric-trapdoor.doodad
 	doodad install-script electric-trapdoor.js electric-trapdoor.doodad
-	doodad edit-doodad -q --tag "category=doors,gizmos" electric-trapdoor.doodad
+	doodad edit-doodad -q --tag "category=doors,gizmos" --option "opened=bool" electric-trapdoor.doodad
 
 	cp *.doodad ../../../assets/doodads/
diff --git a/trapdoors/electric-trapdoor.js b/trapdoors/electric-trapdoor.js
index 836f662..8f69dc9 100644
--- a/trapdoors/electric-trapdoor.js
+++ b/trapdoors/electric-trapdoor.js
@@ -3,7 +3,7 @@
 var animationSpeed = 100,
     spriteWidth = 114,
     thickness = 7,
-    isOpen = false,
+    isOpen = Self.GetOption("opened") === true,
     animating = false,
     powerState = false;
 
@@ -13,6 +13,12 @@ function main() {
     Self.AddAnimation("open", animationSpeed, [0, 1, 2, 3]);
     Self.AddAnimation("close", animationSpeed, [3, 2, 1, 0]);
 
+    // Options: if the player marked it "opened" make it open by default.
+    if (isOpen) {
+        Self.ShowLayer(3);
+        powerState = true;
+    }
+
     // Subscribe to Switches and other power sources. Note: if a
     // switch toggles us, we ignore the immediately following
     // power signal which will be coming from the same switch.
diff --git a/warp-door/Makefile b/warp-door/Makefile
index 90d80b2..f541d65 100644
--- a/warp-door/Makefile
+++ b/warp-door/Makefile
@@ -17,7 +17,7 @@ build:
 	doodad install-script warp-door.js warp-door-orange.doodad
 
 	for i in *.doodad; do\
-		doodad edit-doodad --tag "category=doors" --hitbox=34,76 $${i};\
+		doodad edit-doodad --tag "category=doors" --option "locked (exit only)=bool" --hitbox=34,76 $${i};\
 	done
 	for i in warp-door-*.doodad; do\
 		doodad edit-doodad --tag "category=doors,gizmos" $${i};\
diff --git a/warp-door/warp-door.js b/warp-door/warp-door.js
index 2bde9f3..0e1965c 100644
--- a/warp-door/warp-door.js
+++ b/warp-door/warp-door.js
@@ -1,7 +1,18 @@
-// Warp Doors
+/*
+Warp Doors
+
+Link it to another Warp Door and the player can travel between them.
+
+Doors without links will behave as 'locked' doors and cannot be opened.
+
+Options: "locked (exit only)" bool will make the door behave as locked
+even if linked - it can be an exit-only door that the player can come
+out of but can not open.
+*/
 
 const color = Self.GetTag("color"),
-	isStateDoor = color === 'blue' || color === 'orange';
+	isStateDoor = color === 'blue' || color === 'orange',
+	isLocked = Self.GetOption("locked (exit only)") === true;
 
 // State in case we're a blue warp door.
 let state = color === 'blue',
@@ -63,7 +74,7 @@ function main() {
 		}
 
 		// Doors without linked exits are not usable.
-		if (linkedDoor === null) {
+		if (linkedDoor === null || isLocked) {
 			if (!flashedCooldown) {
 				Flash("This door is locked.");
 				flashedCooldown = true;