diff --git a/build.gradle b/build.gradle
index d2b2c29..59ec1d1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.7'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
 
diff --git a/core/src/me/msoucy/ptures/controller/Engine.kt b/core/src/me/msoucy/ptures/controller/Engine.kt
new file mode 100644
index 0000000..413bab9
--- /dev/null
+++ b/core/src/me/msoucy/ptures/controller/Engine.kt
@@ -0,0 +1,119 @@
+package me.msoucy.ptures.controller
+
+import me.msoucy.ptures.model.Creature
+import me.msoucy.ptures.model.KnockedOut
+import me.msoucy.ptures.model.Skill
+import me.msoucy.ptures.model.Target
+import me.msoucy.ptures.model.Team
+import me.msoucy.ptures.view.BattleView
+import me.msoucy.ptures.view.SkillChoice
+
+sealed class BattleType(vararg val teams: Team) {
+    init {
+        assert(teams.isNotEmpty())
+    }
+
+    abstract val numGroups: Int
+}
+
+sealed class IndividualBattle(vararg teams: Team) : BattleType(*teams) {
+    override val numGroups: Int
+        get() = teams.size
+}
+
+class SingleBattle(vararg teams: Team) : IndividualBattle(*teams)
+class DoubleBattle(vararg teams: Team) : IndividualBattle(*teams)
+class TripleBattle(vararg teams: Team) : IndividualBattle(*teams)
+class TeamBattle(override val numGroups: Int, vararg teams: Team) : BattleType(*teams)
+class RaidBattle(val boss: Creature, vararg teams: Team) : BattleType(*teams) {
+    override val numGroups: Int
+        get() = 2
+}
+
+
+class Engine(private val battle: BattleType) {
+
+    private var currentCreature = 0
+
+    private val creatures get() = battle.teams.flatMap { it.activeCreatures }
+
+    val attacker: Creature
+        get() {
+            return creatures[currentCreature].creature
+        }
+
+    private val forcedSkills = mutableMapOf<Creature, Skill>()
+
+    private val activeCreatures
+        get() = creatures
+                .filter { !it.creature.hasStatus<KnockedOut>() }
+                .sortedBy { it.creature.spd }
+
+    fun resolveTurn(view: BattleView) {
+        forcedSkills.clear()
+        // All preconditions
+        for (i in activeCreatures.indices) {
+            val creature = creatures[i]
+            for (status in creature.creature.statuses) {
+                status.onTurnStart(this, creature.creature)
+            }
+        }
+        // Get the moves each creature will use this turn
+        val moves = activeCreatures.indices.map { i ->
+            val forcedSkill = forcedSkills[creatures[i].creature]
+            if (forcedSkill != null) {
+                SkillChoice(forcedSkill, creatures[nextOpponent(i)].creature)
+            } else {
+                creatures[i].chooseSkill(activeCreatures.map { it.creature })
+            }
+        }
+        // Resolve each move
+        for (i in activeCreatures.indices) {
+            // Resolve move
+            val (skill, target) = moves[i]
+            currentCreature = i
+            for (step in skill.damageSteps) {
+                for (targetCreature in getTargetList(step.target, target)) {
+                    if (attacker.hits(targetCreature, step)) {
+                        targetCreature.apply(step, attacker)
+                        step.applyStatus(targetCreature)
+                    }
+                }
+            }
+            for (step in skill.postSteps) {
+                for (targetCreature in getTargetList(step.target, target)) {
+                    step.apply(targetCreature)
+                }
+            }
+        }
+        // All post conditions
+        for (creatureView in activeCreatures) {
+            val creature = creatureView.creature
+            for (status in creature.statuses) {
+                status.onTurnEnd(this)
+            }
+        }
+    }
+
+    private fun getTargetList(target: Target, selected: Creature): List<Creature> {
+        return when (target) {
+            Target.Self -> listOf(attacker)
+            Target.Selected -> listOf(selected)
+            Target.Others -> creatures.filter { it.creature != attacker }.map { it.creature }
+            Target.Opponents -> creatures.filter { it.playerId != creatures[currentCreature].playerId }.map { it.creature }
+            Target.All -> creatures.map { it.creature }
+        }
+    }
+
+    private fun nextOpponent(idx: Int): Int {
+        var nextIdx = idx + 1
+        while (nextIdx != idx) {
+            if (creatures[nextIdx].playerId != creatures[idx].playerId) {
+                return nextIdx
+            }
+            nextIdx = (nextIdx + 1) % creatures.size
+        }
+        // There are no opponents... so use the "none" index
+        return -1
+    }
+}
\ No newline at end of file
diff --git a/core/src/me/msoucy/ptures/model/Engine.kt b/core/src/me/msoucy/ptures/model/Engine.kt
deleted file mode 100644
index 4bc9feb..0000000
--- a/core/src/me/msoucy/ptures/model/Engine.kt
+++ /dev/null
@@ -1,91 +0,0 @@
-package me.msoucy.ptures.model
-
-import me.msoucy.ptures.view.BattleView
-
-class Engine(private vararg val creatures : Pair<Creature, Int>) {
-    init {
-        assert(creatures.isNotEmpty())
-    }
-
-    private var currentCreature = 0
-
-    val attacker : Creature get() {
-        return creatures[currentCreature].first
-    }
-
-    val forcedSkills = mutableMapOf<Creature, Skill>()
-
-    val activeCreatures get() = creatures.withIndex()
-            .filter { (_, c) -> !c.first.hasStatus<KnockedOut>() }
-            .sortedBy { (_, c) -> c.first.spd }
-            .map { (i, _) -> i}
-
-    fun resolveTurn(view : BattleView) {
-        forcedSkills.clear()
-        // All preconditions
-        for (i in activeCreatures) {
-            val creature = creatures[i]
-            for (status in creature.first.statuses) {
-                status.onTurnStart(this, creature.first)
-            }
-        }
-        // Get the moves each creature will use this turn
-        val moves = activeCreatures.map { i ->
-            if (creatures[i].first in forcedSkills) {
-                Pair(forcedSkills[creatures[i].first], nextOpponent(i))
-            } else {
-                TODO("Fill in view here")
-            }
-        }
-        // Resolve each move
-        for (i in activeCreatures) {
-            // Resolve move
-            val (skill, target) = moves[i]
-            currentCreature = i
-            for (step in skill.damageSteps) {
-                for (t in getTargetList(step.target, target)) {
-                    val (targetCreature, _) = creatures[t]
-                    if (attacker.hits(targetCreature, step)) {
-                        targetCreature.apply(step, attacker)
-                        step.applyStatus(targetCreature)
-                    }
-                }
-            }
-            for(step in skill.postSteps) {
-                for (t in getTargetList(step.target, target)) {
-                    val (targetCreature, _) = creatures[t]
-                    step.apply(targetCreature)
-                }
-            }
-        }
-        // All post conditions
-        for (i in activeCreatures) {
-            val creature = creatures[i]
-            for (status in creature.first.statuses) {
-                status.onTurnEnd(this)
-            }
-        }
-    }
-
-    private fun getTargetList(target : Target, selected : Int) : List<Int> {
-        return when(target) {
-            Target.Self -> listOf(currentCreature)
-            Target.Selected -> if (selected == -1) { listOf() } else { listOf(selected) }
-            Target.Others -> creatures.indices.filter { it != currentCreature }
-            Target.Opponents -> creatures.indices.filter { creatures[it].second != creatures[currentCreature].second }
-            Target.All -> creatures.indices.toList()
-        }
-    }
-
-    private fun nextOpponent(idx : Int) : Int {
-        var nextIdx = idx + 1
-        while (nextIdx != idx) {
-            if (creatures[nextIdx].second != creatures[idx].second) {
-                return nextIdx
-            }
-            nextIdx = (nextIdx + 1) % creatures.size
-        }
-        // There are no opponents... so use the "none" index
-        return -1
-    }
-}
\ No newline at end of file
diff --git a/core/src/me/msoucy/ptures/model/Skills.kt b/core/src/me/msoucy/ptures/model/Skills.kt
index 9ef6c13..48cbe61 100644
--- a/core/src/me/msoucy/ptures/model/Skills.kt
+++ b/core/src/me/msoucy/ptures/model/Skills.kt
@@ -22,14 +22,14 @@ enum class Attribute {
     Wood
 }
 
-class Damage(val power : Int, val attribute : Attribute = Attribute.Neutral) {
+class Damage(val power: Int, val attribute: Attribute = Attribute.Neutral) {
     var target = Target.Selected
     var accuracy = 100
 
-    var status : () -> Status? = {null}
+    var status: () -> Status? = { null }
     var statusChance = 0
 
-    fun applyStatus(creature : Creature) {
+    fun applyStatus(creature: Creature) {
         val appStatus = status()
         if (appStatus != null && random(100) < statusChance) {
             creature.addStatus(appStatus)
@@ -37,34 +37,42 @@ class Damage(val power : Int, val attribute : Attribute = Attribute.Neutral) {
     }
 }
 
-class StatusApplier(val target : Target, val apply : (Creature) -> Unit)
+class StatusApplier(val target: Target, val apply: (Creature) -> Unit)
 
 @SkillMarker
-sealed class Skill(open val name : String, val attribute : Attribute) {
+open class Skill(open val name: String, val attribute: Attribute) {
     val damageSteps = mutableListOf<Damage>()
     val postSteps = mutableListOf<StatusApplier>()
 
-    fun damage(power : Int, block : Damage.() -> Unit = {}) {
+    fun damage(power: Int, block: Damage.() -> Unit = {}) {
         val d = Damage(power, attribute)
         d.block()
         damageSteps.add(d)
     }
 
-    fun addStatus(status : Status, target : Target = Target.Selected) {
-        postSteps.add (StatusApplier(target) { c -> c.addStatus(status) })
+    fun addStatus(status: Status, target: Target = Target.Selected) {
+        postSteps.add(StatusApplier(target) { c -> c.addStatus(status) })
     }
 
-    fun removeStatus(status : Status, target : Target = Target.Selected) {
-        postSteps.add (StatusApplier(target) { c -> c.removeStatus(status) })
+    fun removeStatus(status: Status, target: Target = Target.Selected) {
+        postSteps.add(StatusApplier(target) { c -> c.removeStatus(status) })
     }
+
+    // Assume that the first damage step is the one that provides the target
+    val target: Target
+        get() = if (damageSteps.isNotEmpty()) {
+            damageSteps[0].target
+        } else {
+            Target.Self
+        }
 }
 
-class AdvancedSkill(name : String, attribute : Attribute) : Skill(name, attribute) {
-    override val name : String get() = super.name + "+"
-    val baseName : String get() = super.name
+class AdvancedSkill(name: String, attribute: Attribute) : Skill(name, attribute) {
+    override val name: String get() = super.name + "+"
+    val baseName: String get() = super.name
 }
 
-fun skill(name : String, attribute : Attribute = Attribute.Neutral, block : Skill.() -> Unit) : Skill {
+fun skill(name: String, attribute: Attribute = Attribute.Neutral, block: Skill.() -> Unit): Skill {
     val ret = Skill(name, attribute)
     ret.block()
     return ret
diff --git a/core/src/me/msoucy/ptures/model/Status.kt b/core/src/me/msoucy/ptures/model/Status.kt
index f93cf15..695296e 100644
--- a/core/src/me/msoucy/ptures/model/Status.kt
+++ b/core/src/me/msoucy/ptures/model/Status.kt
@@ -1,5 +1,7 @@
 package me.msoucy.ptures.model
 
+import me.msoucy.ptures.controller.Engine
+
 sealed class Status {
 
     open fun onTurnStart(engine : Engine, creature : Creature) {
diff --git a/core/src/me/msoucy/ptures/model/Team.kt b/core/src/me/msoucy/ptures/model/Team.kt
new file mode 100644
index 0000000..585538d
--- /dev/null
+++ b/core/src/me/msoucy/ptures/model/Team.kt
@@ -0,0 +1,11 @@
+package me.msoucy.ptures.model
+
+import me.msoucy.ptures.view.PlayerView
+
+class Team(var view : PlayerView) {
+
+    var creatures = mutableListOf<Creature>()
+    var selectedCreatures = mutableListOf(0)
+
+    val activeCreatures get() = selectedCreatures.map { view.creatureViewFor(creatures[it]) }
+}
\ No newline at end of file
diff --git a/core/src/me/msoucy/ptures/view/TextView.kt b/core/src/me/msoucy/ptures/view/TextView.kt
index e3bbccb..67a586b 100644
--- a/core/src/me/msoucy/ptures/view/TextView.kt
+++ b/core/src/me/msoucy/ptures/view/TextView.kt
@@ -4,21 +4,21 @@ import me.msoucy.ptures.model.Creature
 import me.msoucy.ptures.model.Skill
 import me.msoucy.ptures.model.VisibleStatus
 
-class SkillViewText(val skill : Skill) : SkillView() {
+class SkillViewText(skill : Skill) : SkillView(skill) {
     override fun display() {
         println(skill.name)
     }
 
     override fun displayEnumerated(idx: Int) {
-        println("${idx}: ${skill.name}")
+        println("${idx+1}: ${skill.name}")
     }
 }
 
-class CreatureViewText(val creature : Creature) : CreatureView() {
+class CreatureViewText(playerId : Int, creature : Creature) : CreatureView(playerId, creature) {
 
     private val skillViews = creature.skills.map { SkillViewText(it) }
 
-    override val skillChoice : Skill get() {
+    private fun chooseSkillName() : Skill {
         println("Skills:")
         println("=======")
         skillViews.forEachIndexed { index, skillView ->
@@ -33,10 +33,21 @@ class CreatureViewText(val creature : Creature) : CreatureView() {
                 idx = tmpIdx
             }
         }
-
         return creature.skills[idx]
     }
 
+    private fun chooseTarget(skill : Skill, possibleTargets : List<Creature>) : Creature {
+        return creature
+    }
+
+    override fun chooseSkill(possibleTargets : List<Creature>) : SkillChoice {
+
+        val skill = chooseSkillName()
+        val target = chooseTarget(skill, possibleTargets)
+
+        return SkillChoice(skill, target)
+    }
+
     override fun displayName() {
         println(creature.name)
     }
@@ -52,4 +63,8 @@ class CreatureViewText(val creature : Creature) : CreatureView() {
             println(it.label)
         }
     }
+}
+
+class PlayerViewText(playerId : Int) : PlayerView(playerId) {
+    override fun creatureViewFor(creature: Creature) = CreatureViewText(playerId, creature)
 }
\ No newline at end of file
diff --git a/core/src/me/msoucy/ptures/view/ViewBase.kt b/core/src/me/msoucy/ptures/view/ViewBase.kt
index 70d8219..115d59e 100644
--- a/core/src/me/msoucy/ptures/view/ViewBase.kt
+++ b/core/src/me/msoucy/ptures/view/ViewBase.kt
@@ -1,21 +1,27 @@
 package me.msoucy.ptures.view
 
+import me.msoucy.ptures.model.Creature
 import me.msoucy.ptures.model.Skill
 
-interface SkillView {
-    fun display()
-    fun displayEnumerated(idx : Int)
+data class SkillChoice (val skill : Skill, val target : Creature)
+
+abstract class SkillView(val skill : Skill) {
+    abstract fun display()
+    abstract fun displayEnumerated(idx : Int)
 }
 
-interface CreatureView {
+abstract class CreatureView(val playerId : Int, val creature: Creature) {
 
-    val skillChoice : Skill
+    abstract fun chooseSkill(possibleTargets : List<Creature>) : SkillChoice
 
-    fun displayName()
-    fun displaySkills()
-    fun displayStatuses()
+    abstract fun displayName()
+    abstract fun displaySkills()
+    abstract fun displayStatuses()
 }
 
-interface BattleView {
-    //
+abstract class BattleView {
+}
+
+abstract class PlayerView(val playerId : Int) {
+    abstract fun creatureViewFor(creature: Creature) : CreatureView
 }
\ No newline at end of file