diff --git a/Engine/src/live/Action.ts b/Engine/src/live/Action.ts
new file mode 100644
index 0000000..6aa447d
--- /dev/null
+++ b/Engine/src/live/Action.ts
@@ -0,0 +1,4 @@
+export interface Action {
+  type: string
+  priority: number
+}
diff --git a/Engine/src/live/Entity.ts b/Engine/src/live/Entity.ts
new file mode 100644
index 0000000..971e828
--- /dev/null
+++ b/Engine/src/live/Entity.ts
@@ -0,0 +1,68 @@
+import * as planck from 'planck'
+import { SpriteInstance } from '../shared/sprites'
+
+export class Entity {
+  sprite: SpriteInstance
+  body?: planck.Body
+  velocity: [number, number] = [0, 0]
+  acceleration: number = 0.5
+  maxSpeed: number = 4
+  direction: number = 0
+  turnRate: number = 10
+
+  constructor(ctor: string) {
+    this.sprite = new SpriteInstance(ctor)
+  }
+
+  update(delta: number) {
+    // TODO: Update sprite.
+  }
+
+  get position(): [number, number] {
+    if (this.body) {
+      let p = this.body.getPosition()
+      return [p.x, p.y]
+    }
+    return [this.sprite.container.x, this.sprite.container.y]
+  }
+  get x(): number {
+    if (this.body) {
+      let p = this.body.getPosition()
+      return p.x
+    }
+    return this.sprite.container.x
+  }
+  set x(v: number) {
+    if (this.body) {
+      let p = this.body.getPosition()
+      this.body.setPosition(
+        planck.Vec2(
+          v,
+          p.y,
+        )
+      )
+    } else {
+      this.sprite.container.y = v
+    }
+  }
+  get y(): number {
+    if (this.body) {
+      let p = this.body.getPosition()
+      return p.y
+    }
+    return this.sprite.container.y
+  }
+  set y(v: number) {
+    if (this.body) {
+      let p = this.body.getPosition()
+      this.body.setPosition(
+        planck.Vec2(
+          p.x,
+          v,
+        )
+      )
+    } else {
+      this.sprite.container.y = v
+    }
+  }
+}
diff --git a/Engine/src/live/PlayerEntity.ts b/Engine/src/live/PlayerEntity.ts
new file mode 100644
index 0000000..2ec82a8
--- /dev/null
+++ b/Engine/src/live/PlayerEntity.ts
@@ -0,0 +1,119 @@
+import * as planck from 'planck'
+import { Action } from "./Action"
+import { Entity } from "./Entity"
+
+export class PlayerEntity extends Entity {
+  action?: Action
+  constructor(ctor: string) {
+    super(ctor)
+  }
+  act(actions: Action[]) {
+    this.action = actions.sort((a, b) => {
+      if (a.priority < b.priority) {
+        return -1
+      }
+      if (a.priority > b.priority) {
+        return 1
+      }
+      return 0
+    })[0]
+  }
+  update(delta: number) {
+    if (this.action) {
+      // FIXME: Use physics.
+      let shouldMove = false
+      switch(this.action.type) {
+        case 'west':
+          if (this.direction !== 0) {
+            if (this.direction < 180) {
+              this.direction -= this.turnRate
+            } else {
+              this.direction += this.turnRate
+            }
+          }
+          shouldMove = true
+          break
+        case 'east':
+          if (this.direction !== 180) {
+            if (this.direction < 180) {
+              this.direction += this.turnRate
+            } else {
+              this.direction -= this.turnRate
+            }
+          }
+          shouldMove = true
+          break
+        case 'north':
+          if (this.direction !== 90) {
+            if (this.direction < 90 || this.direction > 270) {
+              this.direction += this.turnRate
+            } else {
+              this.direction -= this.turnRate
+            }
+          }
+          shouldMove = true
+          break
+        case 'south':
+          if (this.direction !== 270) {
+            if (this.direction > 90 && this.direction < 270) {
+              this.direction += this.turnRate
+            } else {
+              this.direction -= this.turnRate
+            }
+          }
+          shouldMove = true
+          break
+      }
+      if (this.direction > 360) {
+        this.direction = 0
+      } else if (this.direction < 0) {
+        this.direction = 360
+      }
+      if (shouldMove) {
+        let r = this.direction * (Math.PI/180)
+        if (Math.abs(this.velocity[0]) < this.maxSpeed) {
+          this.velocity[0] -= Math.cos(r) * this.acceleration
+        }
+        if (Math.abs(this.velocity[1]) < this.maxSpeed) {
+          this.velocity[1] -= Math.sin(r) * this.acceleration
+        }
+        let cardinal = this.getCardinal()
+        if (this.sprite.subsetKey !== cardinal) {
+          this.sprite.setCtor(`${this.sprite.spriteKey}.${this.sprite.animationKey}.${this.sprite.setKey}.${cardinal}.${this.sprite.frameIndex}`)
+        }
+      }
+    }
+
+    //
+    this.velocity[0] *= 0.5
+    this.velocity[1] *= 0.5
+
+    // Eh... let's manually handle velocity
+    this.body?.setLinearVelocity(planck.Vec2(this.velocity[0], this.velocity[1]))
+  }
+  getCardinal(): string {
+    const degreesPerDirection = 360 / 8
+    const angle = this.direction + degreesPerDirection / 2
+
+    if (angle >= 0 * degreesPerDirection && angle < 1 * degreesPerDirection) {
+      return 'w'
+    } else if (angle >= 1 * degreesPerDirection && angle < 2 * degreesPerDirection) {
+      return 'nw'
+    } else if (angle >= 2 * degreesPerDirection && angle < 3 * degreesPerDirection) {
+      return 'n'
+    } else if (angle >= 3 * degreesPerDirection && angle < 4 * degreesPerDirection) {
+      return 'ne'
+    } else if (angle >= 4 * degreesPerDirection && angle < 5 * degreesPerDirection) {
+      return 'e'
+    } else if (angle >= 5 * degreesPerDirection && angle < 6 * degreesPerDirection) {
+      return 'se'
+    } else if (angle >= 6 * degreesPerDirection && angle < 7 * degreesPerDirection) {
+      return 's'
+    }
+    return 'sw'
+  }
+}
+
+export function isPlayerEntity(o: any): o is PlayerEntity {
+  return o.act
+}
diff --git a/Engine/src/live/Zone.ts b/Engine/src/live/Zone.ts
new file mode 100644
index 0000000..2da4a7b
--- /dev/null
+++ b/Engine/src/live/Zone.ts
@@ -0,0 +1,13 @@
+import * as planck from 'planck'
+import { SegmentZone } from '../data/segment'
+
+export class Zone {
+  fixture: planck.Fixture|undefined
+  type: 'solid'|'fluid'
+  points: [number, number][]
+  constructor(z: SegmentZone) {
+    this.type = z.type
+    this.points = z.points.map(v=>[v[0], v[1]])
+  }
+}
+
diff --git a/Engine/src/states/Game.ts b/Engine/src/states/Game.ts
index 780c388..a9e6397 100644
--- a/Engine/src/states/Game.ts
+++ b/Engine/src/states/Game.ts
@@ -7,201 +7,15 @@ import { DecorationInstance } from "../shared/decors"
 import { SpriteInstance, sprites } from "../shared/sprites"
 import { ShapeCircle, ShapePoints } from "../data/sprite"
 import { SegmentZone } from "../data/segment"
+import { Zone } from "../live/Zone"
+import { Entity } from "../live/Entity"
+import { isPlayerEntity, PlayerEntity } from "../live/PlayerEntity"
+import { Action } from "../live/Action"
 
-interface Action {
-  type: string
-  priority: number
-}
-
-class Zone {
-  fixture: planck.Fixture|undefined
-  type: 'solid'|'fluid'
-  points: [number, number][]
-  constructor(z: SegmentZone) {
-    this.type = z.type
-    this.points = z.points.map(v=>[v[0], v[1]])
-  }
-}
-
-class Entity {
-  sprite: SpriteInstance
-  body?: planck.Body
-  velocity: [number, number] = [0, 0]
-  acceleration: number = 0.5
-  maxSpeed: number = 4
-  direction: number = 0
-  turnRate: number = 10
-
-  constructor(ctor: string) {
-    this.sprite = new SpriteInstance(ctor)
-  }
-
-  update(delta: number) {
-    // TODO: Update sprite.
-  }
-
-  get position(): [number, number] {
-    if (this.body) {
-      let p = this.body.getPosition()
-      return [p.x, p.y]
-    }
-    return [this.sprite.container.x, this.sprite.container.y]
-  }
-  get x(): number {
-    if (this.body) {
-      let p = this.body.getPosition()
-      return p.x
-    }
-    return this.sprite.container.x
-  }
-  set x(v: number) {
-    if (this.body) {
-      let p = this.body.getPosition()
-      this.body.setPosition(
-        planck.Vec2(
-          v,
-          p.y,
-        )
-      )
-    } else {
-      this.sprite.container.y = v
-    }
-  }
-  get y(): number {
-    if (this.body) {
-      let p = this.body.getPosition()
-      return p.y
-    }
-    return this.sprite.container.y
-  }
-  set y(v: number) {
-    if (this.body) {
-      let p = this.body.getPosition()
-      this.body.setPosition(
-        planck.Vec2(
-          p.x,
-          v,
-        )
-      )
-    } else {
-      this.sprite.container.y = v
-    }
-  }
-}
-
-class PlayerEntity extends Entity {
-  action?: Action
-  constructor(ctor: string) {
-    super(ctor)
-  }
-  act(actions: Action[]) {
-    this.action = actions.sort((a, b) => {
-      if (a.priority < b.priority) {
-        return -1
-      }
-      if (a.priority > b.priority) {
-        return 1
-      }
-      return 0
-    })[0]
-  }
-  update(delta: number) {
-    if (this.action) {
-      // FIXME: Use physics.
-      let shouldMove = false
-      switch(this.action.type) {
-        case 'west':
-          if (this.direction !== 0) {
-            if (this.direction < 180) {
-              this.direction -= this.turnRate
-            } else {
-              this.direction += this.turnRate
-            }
-          }
-          shouldMove = true
-          break
-        case 'east':
-          if (this.direction !== 180) {
-            if (this.direction < 180) {
-              this.direction += this.turnRate
-            } else {
-              this.direction -= this.turnRate
-            }
-          }
-          shouldMove = true
-          break
-        case 'north':
-          if (this.direction !== 90) {
-            if (this.direction < 90 || this.direction > 270) {
-              this.direction += this.turnRate
-            } else {
-              this.direction -= this.turnRate
-            }
-          }
-          shouldMove = true
-          break
-        case 'south':
-          if (this.direction !== 270) {
-            if (this.direction > 90 && this.direction < 270) {
-              this.direction += this.turnRate
-            } else {
-              this.direction -= this.turnRate
-            }
-          }
-          shouldMove = true
-          break
-      }
-      if (this.direction > 360) {
-        this.direction = 0
-      } else if (this.direction < 0) {
-        this.direction = 360
-      }
-      if (shouldMove) {
-        let r = this.direction * (Math.PI/180)
-        if (Math.abs(this.velocity[0]) < this.maxSpeed) {
-          this.velocity[0] -= Math.cos(r) * this.acceleration
-        }
-        if (Math.abs(this.velocity[1]) < this.maxSpeed) {
-          this.velocity[1] -= Math.sin(r) * this.acceleration
-        }
-        let cardinal = this.getCardinal()
-        if (this.sprite.subsetKey !== cardinal) {
-          this.sprite.setCtor(`${this.sprite.spriteKey}.${this.sprite.animationKey}.${this.sprite.setKey}.${cardinal}.${this.sprite.frameIndex}`)
-        }
-      }
-    }
-
-    //
-    this.velocity[0] *= 0.5
-    this.velocity[1] *= 0.5
-
-    // Eh... let's manually handle velocity
-    this.body?.setLinearVelocity(planck.Vec2(this.velocity[0], this.velocity[1]))
-  }
-  getCardinal(): string {
-    const degreesPerDirection = 360 / 8
-    const angle = this.direction + degreesPerDirection / 2
-
-    if (angle >= 0 * degreesPerDirection && angle < 1 * degreesPerDirection) {
-      return 'w'
-    } else if (angle >= 1 * degreesPerDirection && angle < 2 * degreesPerDirection) {
-      return 'nw'
-    } else if (angle >= 2 * degreesPerDirection && angle < 3 * degreesPerDirection) {
-      return 'n'
-    } else if (angle >= 3 * degreesPerDirection && angle < 4 * degreesPerDirection) {
-      return 'ne'
-    } else if (angle >= 4 * degreesPerDirection && angle < 5 * degreesPerDirection) {
-      return 'e'
-    } else if (angle >= 5 * degreesPerDirection && angle < 6 * degreesPerDirection) {
-      return 'se'
-    } else if (angle >= 6 * degreesPerDirection && angle < 7 * degreesPerDirection) {
-      return 's'
-    }
-    return 'sw'
-  }
-}
-function isPlayerEntity(o: any): o is PlayerEntity {
-  return o.act
+export interface Layer {
+  title: string
+  container: PIXI.Container
+  decorations: DecorationInstance[]
 }
 
 export function GameState(ctx: ContextI): StateI {
@@ -213,7 +27,8 @@ export function GameState(ctx: ContextI): StateI {
   })
 
   let rootContainer = new PIXI.Container()
-  let decorations: DecorationInstance[] = []
+  let playLayer: Layer
+  let layers: Layer[] = []
   let entities: Entity[] = []
   let zones: Zone[] = []
 
@@ -226,9 +41,19 @@ export function GameState(ctx: ContextI): StateI {
     rootContainer.height = w.height
     rootContainer.scale.set(2, 2)
     for (let l of w.layers) {
-      let container = new PIXI.Container()
-      container.width = w.width
-      container.height = w.height
+      let layer: Layer = {
+        title: l.title,
+        container: new PIXI.Container(),
+        decorations: [],
+      }
+      layer.container.width = w.width
+      layer.container.height = w.height
+
+      if (l.title === 'objects') {
+        playLayer = layer
+        layer.container.sortableChildren = true
+      }
+      layers.push(layer)
 
       for (let d of l.decorations) {
         let di = new DecorationInstance(d.decor, d.decoration)
@@ -255,11 +80,14 @@ export function GameState(ctx: ContextI): StateI {
             di.container.position.y--
           }
         }
-        container.addChild(di.container)
-        decorations.push(di)
+        if (l.title === 'objects') {
+          di.container.zIndex = di.container.position.y + di.container.height/4
+        }
+        layer.container.addChild(di.container)
+        layer.decorations.push(di)
       }
 
-      rootContainer.addChild(container)
+      rootContainer.addChild(layer.container)
     }
 
     for (let z of w.zones) {
@@ -267,7 +95,6 @@ export function GameState(ctx: ContextI): StateI {
     }
 
     // Add bogus entity
-    //addEntity(new PlayerEntity('animals.deer.animal.west.0'), 0, 0)
     addEntity(new PlayerEntity('bogus-arrows.player.normal.w.0'), 0, 0)
 
     ctx.app.stage.addChild(rootContainer)
@@ -288,8 +115,10 @@ export function GameState(ctx: ContextI): StateI {
       elapsed -= 1/60
     }
     // Update/render.
-    for (let decoration of decorations) {
-      decoration.update(delta)
+    for (let layer of layers) {
+      for (let decoration of layer.decorations) {
+        decoration.update(delta)
+      }
     }
     for (let entity of entities) {
       if (isPlayerEntity(entity)) {
@@ -302,13 +131,14 @@ export function GameState(ctx: ContextI): StateI {
       // I guess...
       entity.sprite.container.x = entity.x
       entity.sprite.container.y = entity.y
+      entity.sprite.container.zIndex = entity.y + (entity.sprite.frame?entity.sprite.frame.originY:0)
     }
   }
 
   let addEntity = (entity: Entity, x: number, y: number) => {
     if (entities.find(v=>v===entity)) return
     entities.push(entity)
-    rootContainer.addChild(entity.sprite.container)
+    playLayer.container.addChild(entity.sprite.container)
     // I guess this is a fair enough place to create physics and add it to the entity.
     let spriteShape = entity.sprite.getBodyShape()
     if (spriteShape) {
@@ -338,7 +168,7 @@ export function GameState(ctx: ContextI): StateI {
   }
   let removeEntity = (entity: Entity) => {
     entities = entities.filter(v=>v!==entity)
-    rootContainer.removeChild(entity.sprite.container)
+    playLayer.container.removeChild(entity.sprite.container)
     if (entity.body) {
       world.destroyBody(entity.body)
       entity.body = undefined