diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/attributes/ZirconCounter.kt b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/ZirconCounter.kt
new file mode 100644
index 0000000..ab6aafd
--- /dev/null
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/ZirconCounter.kt
@@ -0,0 +1,23 @@
+package org.hexworks.cavesofzircon.attributes
+
+import org.hexworks.cobalt.databinding.api.createPropertyFrom
+import org.hexworks.cobalt.databinding.api.expression.concat
+import org.hexworks.cobalt.databinding.api.property.Property
+import org.hexworks.zircon.api.Components
+import org.hexworks.zircon.api.component.Component
+
+data class ZirconCounter(private val zirconCountProperty: Property<Int> = createPropertyFrom(0)) : DisplayableAttribute {
+
+    var zirconCount: Int by zirconCountProperty.asDelegate()
+
+    override fun toComponent(width: Int): Component {
+        val zirconProp = createPropertyFrom("Zircons: ")
+                .concat(zirconCountProperty) { it.value.toString() }
+        return Components.header()
+                .withText(zirconProp.value)
+                .withSize(width, 1)
+                .build().apply {
+                    textProperty.updateFrom(zirconProp)
+                }
+    }
+}
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/EntityTypes.kt b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/EntityTypes.kt
index bce0383..8cdeace 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/EntityTypes.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/EntityTypes.kt
@@ -3,7 +3,7 @@ package org.hexworks.cavesofzircon.attributes.types
 import org.hexworks.amethyst.api.base.BaseEntityType
 
 object Player : BaseEntityType(
-        name = "player"), Combatant, ItemHolder, EnergyUser, EquipmentHolder, ExperienceGainer
+        name = "player"), Combatant, ItemHolder, EnergyUser, EquipmentHolder, ExperienceGainer, ZirconHolder
 
 object Wall : BaseEntityType(
         name = "wall")
@@ -27,6 +27,9 @@ object StairsDown : BaseEntityType(
 object StairsUp : BaseEntityType(
         name = "stairs up")
 
+object Exit : BaseEntityType(
+        name = "exit")
+
 object Zircon : BaseEntityType(
         name = "Zircon",
         description = "A small piece of Zircon. Its value is unfathomable."), Item
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/ZirconHolder.kt b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/ZirconHolder.kt
new file mode 100644
index 0000000..126e5d1
--- /dev/null
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/attributes/types/ZirconHolder.kt
@@ -0,0 +1,10 @@
+package org.hexworks.cavesofzircon.attributes.types
+
+import org.hexworks.amethyst.api.entity.EntityType
+import org.hexworks.cavesofzircon.attributes.ZirconCounter
+import org.hexworks.cavesofzircon.extensions.GameEntity
+
+interface ZirconHolder : EntityType
+
+val GameEntity<ZirconHolder>.zirconCounter: ZirconCounter
+    get() = findAttribute(ZirconCounter::class).get()
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/builders/EntityFactory.kt b/src/main/kotlin/org/hexworks/cavesofzircon/builders/EntityFactory.kt
index c6563b6..2ee1ffa 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/builders/EntityFactory.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/builders/EntityFactory.kt
@@ -16,6 +16,7 @@ import org.hexworks.cavesofzircon.attributes.ItemCombatStats
 import org.hexworks.cavesofzircon.attributes.ItemIcon
 import org.hexworks.cavesofzircon.attributes.NutritionalValue
 import org.hexworks.cavesofzircon.attributes.Vision
+import org.hexworks.cavesofzircon.attributes.ZirconCounter
 import org.hexworks.cavesofzircon.attributes.flags.BlockOccupier
 import org.hexworks.cavesofzircon.attributes.flags.VisionBlocker
 import org.hexworks.cavesofzircon.attributes.types.Armor
@@ -23,6 +24,7 @@ import org.hexworks.cavesofzircon.attributes.types.Bat
 import org.hexworks.cavesofzircon.attributes.types.BatMeat
 import org.hexworks.cavesofzircon.attributes.types.Club
 import org.hexworks.cavesofzircon.attributes.types.Dagger
+import org.hexworks.cavesofzircon.attributes.types.Exit
 import org.hexworks.cavesofzircon.attributes.types.Fungus
 import org.hexworks.cavesofzircon.attributes.types.HeavyArmor
 import org.hexworks.cavesofzircon.attributes.types.Jacket
@@ -59,6 +61,7 @@ import org.hexworks.cavesofzircon.systems.Movable
 import org.hexworks.cavesofzircon.systems.StairClimber
 import org.hexworks.cavesofzircon.systems.StairDescender
 import org.hexworks.cavesofzircon.systems.Wanderer
+import org.hexworks.cavesofzircon.systems.ZirconGatherer
 import org.hexworks.cavesofzircon.world.Game
 import org.hexworks.cavesofzircon.world.GameContext
 import org.hexworks.zircon.api.GraphicalTilesetResources
@@ -91,6 +94,11 @@ object EntityFactory {
                 EntityPosition())
     }
 
+    fun newExit() = newGameEntityOfType(Exit) {
+        attributes(EntityTile(GameTileRepository.EXIT),
+                EntityPosition())
+    }
+
     fun newPlayer() = newGameEntityOfType(Player) {
         attributes(
                 Experience(),
@@ -107,10 +115,11 @@ object EntityFactory {
                 EnergyLevel(1000, 1000),
                 Equipment(
                         initialWeapon = newClub(),
-                        initialArmor = newJacket()))
+                        initialArmor = newJacket()),
+                ZirconCounter())
         behaviors(InputReceiver, EnergyExpender)
         facets(Movable, CameraMover, StairClimber, StairDescender, Attackable, ExperienceAccumulator, Destructible,
-                ItemPicker, InventoryInspector, ItemDropper, EnergyExpender, DigestiveSystem)
+                ZirconGatherer, ItemPicker, InventoryInspector, ItemDropper, EnergyExpender, DigestiveSystem)
     }
 
     fun newFungus(fungusSpread: FungusSpread = FungusSpread()) = newGameEntityOfType(Fungus) {
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/builders/GameTileRepository.kt b/src/main/kotlin/org/hexworks/cavesofzircon/builders/GameTileRepository.kt
index ec69e0b..c6df2d9 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/builders/GameTileRepository.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/builders/GameTileRepository.kt
@@ -33,6 +33,12 @@ object GameTileRepository {
             .withBackgroundColor(GameColors.FLOOR_BACKGROUND)
             .buildCharacterTile()
 
+    val EXIT = Tiles.newBuilder()
+            .withCharacter('+')
+            .withForegroundColor(GameColors.ACCENT_COLOR)
+            .withBackgroundColor(GameColors.FLOOR_BACKGROUND)
+            .buildCharacterTile()
+
     val PLAYER = Tiles.newBuilder()
             .withCharacter('@')
             .withBackgroundColor(GameColors.FLOOR_BACKGROUND)
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerDied.kt b/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerDied.kt
new file mode 100644
index 0000000..af3340e
--- /dev/null
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerDied.kt
@@ -0,0 +1,5 @@
+package org.hexworks.cavesofzircon.events
+
+import org.hexworks.cobalt.events.api.Event
+
+data class PlayerDied(val cause: String) : Event
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerWonTheGame.kt b/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerWonTheGame.kt
new file mode 100644
index 0000000..b1dc445
--- /dev/null
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/events/PlayerWonTheGame.kt
@@ -0,0 +1,5 @@
+package org.hexworks.cavesofzircon.events
+
+import org.hexworks.cobalt.events.api.Event
+
+data class PlayerWonTheGame(val zircons: Int) : Event
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/systems/Destructible.kt b/src/main/kotlin/org/hexworks/cavesofzircon/systems/Destructible.kt
index 3dec41f..a9cb23d 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/systems/Destructible.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/systems/Destructible.kt
@@ -5,15 +5,21 @@ import org.hexworks.amethyst.api.base.BaseFacet
 import org.hexworks.amethyst.api.entity.EntityType
 import org.hexworks.cavesofzircon.commands.Destroy
 import org.hexworks.cavesofzircon.commands.EntityDestroyed
+import org.hexworks.cavesofzircon.events.PlayerDied
 import org.hexworks.cavesofzircon.extensions.GameCommand
+import org.hexworks.cavesofzircon.extensions.isPlayer
 import org.hexworks.cavesofzircon.functions.logGameEvent
 import org.hexworks.cavesofzircon.world.GameContext
+import org.hexworks.zircon.internal.Zircon
 
 object Destructible : BaseFacet<GameContext>() {
 
     override fun executeCommand(command: GameCommand<out EntityType>) = command.responseWhenCommandIs(Destroy::class) { (context, destroyer, target, cause) ->
         context.world.removeEntity(target)
         destroyer.executeCommand(EntityDestroyed(context, target, destroyer))
+        if (target.isPlayer) {
+            Zircon.eventBus.publish(PlayerDied("You died $cause"))
+        }
         logGameEvent("$target dies $cause.")
         Consumed
     }
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/systems/ItemPicker.kt b/src/main/kotlin/org/hexworks/cavesofzircon/systems/ItemPicker.kt
index 5eb0498..d08d362 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/systems/ItemPicker.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/systems/ItemPicker.kt
@@ -32,8 +32,4 @@ object ItemPicker : BaseFacet<GameContext>() {
         Consumed
     }
 
-    private fun World.findTopItem(position: Position3D) =
-            fetchBlockAt(position).flatMap { block ->
-                Maybe.ofNullable(block.entities.filterType<Item>().firstOrNull())
-            }
 }
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/systems/StairDescender.kt b/src/main/kotlin/org/hexworks/cavesofzircon/systems/StairDescender.kt
index b762df6..68e8564 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/systems/StairDescender.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/systems/StairDescender.kt
@@ -3,27 +3,37 @@ package org.hexworks.cavesofzircon.systems
 import org.hexworks.amethyst.api.Consumed
 import org.hexworks.amethyst.api.base.BaseFacet
 import org.hexworks.amethyst.api.entity.EntityType
+import org.hexworks.cavesofzircon.attributes.types.Exit
+import org.hexworks.cavesofzircon.attributes.types.Player
 import org.hexworks.cavesofzircon.attributes.types.StairsDown
+import org.hexworks.cavesofzircon.attributes.types.zirconCounter
 import org.hexworks.cavesofzircon.blocks.GameBlock
 import org.hexworks.cavesofzircon.commands.MoveDown
+import org.hexworks.cavesofzircon.events.PlayerWonTheGame
 import org.hexworks.cavesofzircon.extensions.GameCommand
 import org.hexworks.cavesofzircon.extensions.position
+import org.hexworks.cavesofzircon.extensions.whenTypeIs
 import org.hexworks.cavesofzircon.functions.logGameEvent
 import org.hexworks.cavesofzircon.world.GameContext
 import org.hexworks.cobalt.datatypes.extensions.map
+import org.hexworks.zircon.internal.Zircon
 
 object StairDescender : BaseFacet<GameContext>() {
 
-    override fun executeCommand(command: GameCommand<out EntityType>) = command.responseWhenCommandIs(MoveDown::class) { (context, player) ->
+    override fun executeCommand(command: GameCommand<out EntityType>) = command.responseWhenCommandIs(MoveDown::class) { (context, source) ->
         val world = context.world
-        val playerPos = player.position
-        world.fetchBlockAt(playerPos).map { block ->
-            if (block.hasStairsDown) {
-                logGameEvent("You move down one level...")
-                world.moveEntity(player, playerPos.withRelativeZ(-1))
-                world.scrollOneDown()
-            } else {
-                logGameEvent("You search for a trapdoor, but you find nothing.")
+        val pos = source.position
+        world.fetchBlockAt(pos).map { block ->
+            when {
+                block.hasStairsDown -> {
+                    logGameEvent("You move down one level...")
+                    world.moveEntity(source, pos.withRelativeZ(-1))
+                    world.scrollOneDown()
+                }
+                block.hasExit -> source.whenTypeIs<Player> {
+                    Zircon.eventBus.publish(PlayerWonTheGame(it.zirconCounter.zirconCount))
+                }
+                else -> logGameEvent("You search for a trapdoor, but you find nothing.")
             }
         }
         Consumed
@@ -31,4 +41,7 @@ object StairDescender : BaseFacet<GameContext>() {
 
     private val GameBlock.hasStairsDown: Boolean
         get() = this.entities.any { it.type == StairsDown }
+
+    private val GameBlock.hasExit: Boolean
+        get() = this.entities.any { it.type == Exit }
 }
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/systems/ZirconGatherer.kt b/src/main/kotlin/org/hexworks/cavesofzircon/systems/ZirconGatherer.kt
new file mode 100644
index 0000000..061f628
--- /dev/null
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/systems/ZirconGatherer.kt
@@ -0,0 +1,37 @@
+package org.hexworks.cavesofzircon.systems
+
+import org.hexworks.amethyst.api.Command
+import org.hexworks.amethyst.api.Consumed
+import org.hexworks.amethyst.api.Pass
+import org.hexworks.amethyst.api.Response
+import org.hexworks.amethyst.api.base.BaseFacet
+import org.hexworks.amethyst.api.entity.EntityType
+import org.hexworks.cavesofzircon.attributes.ZirconCounter
+import org.hexworks.cavesofzircon.attributes.types.Zircon
+import org.hexworks.cavesofzircon.attributes.types.ZirconHolder
+import org.hexworks.cavesofzircon.attributes.types.zirconCounter
+import org.hexworks.cavesofzircon.commands.PickItemUp
+import org.hexworks.cavesofzircon.extensions.whenTypeIs
+import org.hexworks.cavesofzircon.functions.logGameEvent
+import org.hexworks.cavesofzircon.world.GameContext
+import org.hexworks.cobalt.datatypes.extensions.map
+
+object ZirconGatherer : BaseFacet<GameContext>(ZirconCounter::class) {
+
+    override fun executeCommand(command: Command<out EntityType, GameContext>) = command.responseWhenCommandIs(PickItemUp::class) {
+        val (context, source, position) = it
+        var response: Response = Pass
+        val world = context.world
+        world.findTopItem(position).map { item ->
+            source.whenTypeIs<ZirconHolder> { zirconHolder ->
+                if (item.type == Zircon) {
+                    zirconHolder.zirconCounter.zirconCount++
+                    world.removeEntity(item)
+                    logGameEvent("$zirconHolder picked up a Zircon!")
+                    response = Consumed
+                }
+            }
+        }
+        response
+    }
+}
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/view/LoseView.kt b/src/main/kotlin/org/hexworks/cavesofzircon/view/LoseView.kt
index 7880fc2..df331e3 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/view/LoseView.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/view/LoseView.kt
@@ -1,43 +1,49 @@
 package org.hexworks.cavesofzircon.view
 
-import org.hexworks.zircon.api.ColorThemes
+import org.hexworks.cavesofzircon.GameConfig
+import org.hexworks.cavesofzircon.GameConfig.WORLD_SIZE
+import org.hexworks.cavesofzircon.world.GameBuilder
 import org.hexworks.zircon.api.Components
 import org.hexworks.zircon.api.component.ComponentAlignment
+import org.hexworks.zircon.api.component.ComponentAlignment.BOTTOM_LEFT
+import org.hexworks.zircon.api.component.ComponentAlignment.BOTTOM_RIGHT
 import org.hexworks.zircon.api.extensions.onComponentEvent
 import org.hexworks.zircon.api.graphics.BoxType
 import org.hexworks.zircon.api.mvc.base.BaseView
 import org.hexworks.zircon.api.uievent.ComponentEventType
 import org.hexworks.zircon.api.uievent.Processed
 
-class LoseView : BaseView() {
+class LoseView(private val causeOfDeath: String) : BaseView() {
 
-    override val theme = ColorThemes.arc()
+    override val theme = GameConfig.THEME
 
     override fun onDock() {
         val msg = "Game Over"
         val header = Components.textBox()
                 .withContentWidth(30)
                 .addHeader(msg)
+                .addParagraph(causeOfDeath)
+                .addNewLine()
                 .withAlignmentWithin(screen, ComponentAlignment.CENTER)
                 .build()
         val restartButton = Components.button()
-                .withAlignmentAround(header, ComponentAlignment.BOTTOM_LEFT)
+                .withAlignmentAround(header, BOTTOM_LEFT)
                 .withText("Restart")
                 .wrapSides(false)
                 .wrapWithBox()
                 .withBoxType(BoxType.SINGLE)
                 .build()
         val exitButton = Components.button()
-                .withAlignmentAround(header, ComponentAlignment.BOTTOM_RIGHT)
+                .withAlignmentAround(header, BOTTOM_RIGHT)
                 .withText("Quit")
                 .wrapSides(false)
                 .wrapWithBox()
                 .withBoxType(BoxType.SINGLE)
                 .build()
 
-        // TODO: tutorial
         restartButton.onComponentEvent(ComponentEventType.ACTIVATED) {
-            replaceWith(PlayView())
+            replaceWith(PlayView(GameBuilder(
+                    worldSize = WORLD_SIZE).buildGame()))
             close()
             Processed
         }
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/view/PlayView.kt b/src/main/kotlin/org/hexworks/cavesofzircon/view/PlayView.kt
index 27df160..cb8e1fd 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/view/PlayView.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/view/PlayView.kt
@@ -3,7 +3,9 @@ package org.hexworks.cavesofzircon.view
 import org.hexworks.cavesofzircon.GameConfig
 import org.hexworks.cavesofzircon.blocks.GameBlock
 import org.hexworks.cavesofzircon.events.GameLogEvent
+import org.hexworks.cavesofzircon.events.PlayerDied
 import org.hexworks.cavesofzircon.events.PlayerGainedLevel
+import org.hexworks.cavesofzircon.events.PlayerWonTheGame
 import org.hexworks.cavesofzircon.view.dialog.LevelUpDialog
 import org.hexworks.cavesofzircon.view.fragment.PlayerStatsFragment
 import org.hexworks.cavesofzircon.world.Game
@@ -60,7 +62,14 @@ class PlayView(private val game: Game = GameBuilder.defaultGame()) : BaseView()
         Zircon.eventBus.subscribe<PlayerGainedLevel> {
             screen.openModal(LevelUpDialog(screen, game.player))
         }
-
+        Zircon.eventBus.subscribe<PlayerWonTheGame> {
+            replaceWith(WinView(it.zircons))
+            close()
+        }
+        Zircon.eventBus.subscribe<PlayerDied> {
+            replaceWith(LoseView(it.cause))
+            close()
+        }
         val gameComponent = GameComponents.newGameComponentBuilder<Tile, GameBlock>()
                 .withGameArea(game.world)
                 .withVisibleSize(game.world.visibleSize())
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/view/WinView.kt b/src/main/kotlin/org/hexworks/cavesofzircon/view/WinView.kt
index 562ad44..60d87e1 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/view/WinView.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/view/WinView.kt
@@ -1,6 +1,7 @@
 package org.hexworks.cavesofzircon.view
 
-import org.hexworks.zircon.api.ColorThemes
+import org.hexworks.cavesofzircon.GameConfig
+import org.hexworks.cavesofzircon.world.GameBuilder
 import org.hexworks.zircon.api.Components
 import org.hexworks.zircon.api.component.ComponentAlignment
 import org.hexworks.zircon.api.extensions.onComponentEvent
@@ -9,15 +10,18 @@ import org.hexworks.zircon.api.mvc.base.BaseView
 import org.hexworks.zircon.api.uievent.ComponentEventType
 import org.hexworks.zircon.api.uievent.Processed
 
-class WinView : BaseView() {
+class WinView(private val zircons: Int) : BaseView() {
 
-    override val theme = ColorThemes.arc()
+    override val theme = GameConfig.THEME
 
     override fun onDock() {
         val msg = "You won!"
         val header = Components.textBox()
-                .withContentWidth(30)
+                .withContentWidth(GameConfig.WINDOW_WIDTH / 2)
                 .addHeader(msg)
+                .addNewLine()
+                .addParagraph("Congratulations! You have escaped from Caves of Zircon!", withNewLine = false)
+                .addParagraph("You've managed to find $zircons Zircons.")
                 .withAlignmentWithin(screen, ComponentAlignment.CENTER)
                 .build()
         val restartButton = Components.button()
@@ -35,9 +39,9 @@ class WinView : BaseView() {
                 .withBoxType(BoxType.SINGLE)
                 .build()
 
-        // TODO: tutorial
         restartButton.onComponentEvent(ComponentEventType.ACTIVATED) {
-            replaceWith(PlayView())
+            replaceWith(PlayView(GameBuilder(
+                    worldSize = GameConfig.WORLD_SIZE).buildGame()))
             close()
             Processed
         }
@@ -52,4 +56,3 @@ class WinView : BaseView() {
         screen.addComponent(exitButton)
     }
 }
-
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/world/GameBuilder.kt b/src/main/kotlin/org/hexworks/cavesofzircon/world/GameBuilder.kt
index a0eb533..480824b 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/world/GameBuilder.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/world/GameBuilder.kt
@@ -32,6 +32,7 @@ class GameBuilder(val worldSize: Size3D = WORLD_SIZE) {
         addBats()
         addZircons()
         addZombies()
+        addExit()
 
         val game = Game.create(
                 player = player,
@@ -84,6 +85,10 @@ class GameBuilder(val worldSize: Size3D = WORLD_SIZE) {
         }
     }
 
+    private fun addExit() = also {
+        EntityFactory.newExit().addToWorld(0)
+    }
+
     private fun <T : EntityType> GameEntity<T>.addToWorld(
             atLevel: Int,
             atArea: Size = world.actualSize().to2DSize()): GameEntity<T> {
diff --git a/src/main/kotlin/org/hexworks/cavesofzircon/world/World.kt b/src/main/kotlin/org/hexworks/cavesofzircon/world/World.kt
index ca5ceba..5a38f3b 100644
--- a/src/main/kotlin/org/hexworks/cavesofzircon/world/World.kt
+++ b/src/main/kotlin/org/hexworks/cavesofzircon/world/World.kt
@@ -5,12 +5,15 @@ import org.hexworks.amethyst.api.Engines
 import org.hexworks.amethyst.api.entity.Entity
 import org.hexworks.amethyst.api.entity.EntityType
 import org.hexworks.cavesofzircon.attributes.Vision
+import org.hexworks.cavesofzircon.attributes.types.Item
 import org.hexworks.cavesofzircon.blocks.GameBlock
 import org.hexworks.cavesofzircon.builders.GameBlockFactory
 import org.hexworks.cavesofzircon.extensions.GameEntity
 import org.hexworks.cavesofzircon.extensions.blocksVision
+import org.hexworks.cavesofzircon.extensions.filterType
 import org.hexworks.cavesofzircon.extensions.position
 import org.hexworks.cobalt.datatypes.Maybe
+import org.hexworks.cobalt.datatypes.extensions.flatMap
 import org.hexworks.cobalt.datatypes.extensions.fold
 import org.hexworks.cobalt.datatypes.extensions.map
 import org.hexworks.zircon.api.Positions
@@ -81,6 +84,11 @@ class World(startingBlocks: Map<Position3D, GameBlock>,
         return success
     }
 
+    fun findTopItem(position: Position3D) =
+            fetchBlockAt(position).flatMap { block ->
+                Maybe.ofNullable(block.entities.filterType<Item>().firstOrNull())
+            }
+
     fun removeEntity(entity: Entity<EntityType, GameContext>) {
         fetchBlockAt(entity.position).map {
             it.removeEntity(entity)