diff --git a/Assistant.Designer.cs b/Assistant.Designer.cs
index 3a13928..3d7bf30 100644
--- a/Assistant.Designer.cs
+++ b/Assistant.Designer.cs
@@ -152,7 +152,7 @@ private void InitializeComponent()
             this.groupBoxBombState.Size = new System.Drawing.Size(256, 201);
             this.groupBoxBombState.TabIndex = 0;
             this.groupBoxBombState.TabStop = false;
-            this.groupBoxBombState.Text = "Bomb State";
+            this.groupBoxBombState.Text = "Bomb Settings";
             // 
             // labelStrikes
             // 
@@ -270,7 +270,7 @@ private void InitializeComponent()
             this.labelVoice.Location = new System.Drawing.Point(7, 56);
             this.labelVoice.Margin = new Padding(4, 0, 4, 0);
             this.labelVoice.Name = "labelVoice";
-            this.labelVoice.Size = new System.Drawing.Size(51, 13);
+            this.labelVoice.Size = new System.Drawing.Size(37, 13);
             this.labelVoice.TabIndex = 9;
             this.labelVoice.Text = "Voice:";
             this.labelVoice.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
diff --git a/Brain/Brain.cs b/Brain/Brain.cs
index d036d2d..6df8076 100644
--- a/Brain/Brain.cs
+++ b/Brain/Brain.cs
@@ -145,11 +145,6 @@ private string ProcessGlobal(string command, Bomb bomb)
 
         private string ProcessModule(string command, Bomb bomb)
         {
-            if (!bomb.Ready)
-            {
-                return "Bomb not set up.";
-            }
-
             string module = command[(command.IndexOf(' ') + 1) ..].ToUpperInvariant();
 
             if (bomb.ActiveModule != null)
@@ -157,15 +152,20 @@ private string ProcessModule(string command, Bomb bomb)
                 this.ResetProcessors();
             }
 
-            SpeechProcessor speechModule = this.processors[module];
+            BombModule bombModule = this.processors[module] as BombModule;
 
-            if (!speechModule.IsGlobal)
+            if (!bombModule.IsGlobal)
             {
-                speechModule = Activator.CreateInstance(this.processors[module].GetType()) as SpeechProcessor;
-                this.processors[module] = speechModule;
+                bombModule = Activator.CreateInstance(this.processors[module].GetType()) as BombModule;
+                this.processors[module] = bombModule;
+
+                if (!bombModule.TryDefuse(bomb, out string response))
+                {
+                    return response;
+                }
             }
 
-            bomb.ActiveModule = speechModule as BombModule;
+            bomb.ActiveModule = bombModule;
             this.Recognition.Grammars.Where(g => g.Name == module)
                 .First()
                 .Enabled = true;
diff --git a/Game/Bomb.cs b/Game/Bomb.cs
index f10e426..c69b01e 100644
--- a/Game/Bomb.cs
+++ b/Game/Bomb.cs
@@ -2,6 +2,7 @@ namespace KTANE.Game
 {
     using System;
     using System.Collections.Generic;
+    using System.ComponentModel;
     using System.Linq;
     using System.Speech.Recognition;
     using KTANE.Brain;
@@ -25,16 +26,22 @@ internal class Bomb : SpeechProcessor
 
         public bool AutoReset { get; set; }
 
+        [DisplayName("Batteries")]
         public int? Batteries { get; set; }
 
+        [DisplayName("Parallel Port")]
         public bool? HasParallelPort { get; set; }
 
+        [DisplayName("FRK")]
         public bool? HasLitFRK { get; set; }
 
+        [DisplayName("CAR")]
         public bool? HasLitCAR { get; set; }
 
+        [DisplayName("Vowel")]
         public bool? HasVowel { get; set; }
 
+        [DisplayName("Last Digit")]
         public bool? LastDigitEven { get; set; }
 
         public int Strikes { get; set; }
@@ -83,10 +90,6 @@ public override GrammarBuilder Grammar
             }
         }
 
-        public bool Ready => typeof(Bomb).GetProperties()
-            .Where(p => p.PropertyType.IsGenericType && p.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
-            .All(p => p.GetValue(this) != null);
-
         public static Bomb CreateRandom()
         {
             Random rng = new ();
diff --git a/Game/BombModule.cs b/Game/BombModule.cs
index e3a5bfd..85253d8 100644
--- a/Game/BombModule.cs
+++ b/Game/BombModule.cs
@@ -1,9 +1,36 @@
 namespace KTANE.Game
 {
+    using System.Collections.Generic;
+    using System.ComponentModel;
+    using System.Linq;
+    using System.Reflection;
     using KTANE.Brain;
 
     internal abstract class BombModule : SpeechProcessor
     {
         public abstract string PreInfo { get; }
+
+        public bool TryDefuse(Bomb bomb, out string response)
+        {
+            response = null;
+
+            if (this.GetType()
+                    .GetMethod(nameof(this.Process))
+                    .GetCustomAttribute(typeof(RequiredBombSettingAttribute), true) is RequiredBombSettingAttribute attr)
+            {
+                List<string> missing = typeof(Bomb).GetProperties()
+                    .Where(p => attr.Settings.Contains(p.Name)
+                        && p.GetValue(bomb) == null)
+                    .Select(p => (p.GetCustomAttribute(typeof(DisplayNameAttribute), false) as DisplayNameAttribute).DisplayName)
+                    .ToList();
+
+                if (missing.Count > 0)
+                {
+                    response = $"Set {string.Join(", ", missing)}!";
+                }
+            }
+
+            return response == null;
+        }
     }
 }
\ No newline at end of file
diff --git a/Game/Modules/Button.cs b/Game/Modules/Button.cs
index 34b61be..4963ab5 100644
--- a/Game/Modules/Button.cs
+++ b/Game/Modules/Button.cs
@@ -36,6 +36,7 @@ public override GrammarBuilder Grammar
 
         public override string PreInfo => string.Empty;
 
+        [RequiredBombSetting(nameof(Bomb.Batteries), nameof(Bomb.HasLitCAR), nameof(Bomb.HasLitFRK))]
         public override string Process(string command, Bomb bomb)
         {
             string[] parts = command.Split(' ');
diff --git a/Game/Modules/ComplexWires.cs b/Game/Modules/ComplexWires.cs
index 911fa54..38a1f4c 100644
--- a/Game/Modules/ComplexWires.cs
+++ b/Game/Modules/ComplexWires.cs
@@ -46,6 +46,7 @@ public override GrammarBuilder Grammar
             }
         }
 
+        [RequiredBombSetting(nameof(Bomb.Batteries), nameof(Bomb.HasParallelPort), nameof(Bomb.LastDigitEven))]
         public override string Process(string command, Bomb bomb)
         {
             bool red = command.Contains("red");
diff --git a/Game/Modules/Wires.cs b/Game/Modules/Wires.cs
index 2de0601..e3e2adb 100644
--- a/Game/Modules/Wires.cs
+++ b/Game/Modules/Wires.cs
@@ -23,6 +23,7 @@ public override GrammarBuilder Grammar
             }
         }
 
+        [RequiredBombSetting(nameof(Bomb.LastDigitEven))]
         public override string Process(string command, Bomb bomb)
         {
             string[] wires = command.Split(' ');
diff --git a/Game/RequiredBombSettingAttribute.cs b/Game/RequiredBombSettingAttribute.cs
new file mode 100644
index 0000000..483d162
--- /dev/null
+++ b/Game/RequiredBombSettingAttribute.cs
@@ -0,0 +1,17 @@
+namespace KTANE.Game
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    [AttributeUsage(AttributeTargets.Method)]
+    internal class RequiredBombSettingAttribute : Attribute
+    {
+        public RequiredBombSettingAttribute(params string[] settings)
+        {
+            this.Settings = settings.ToList();
+        }
+
+        public List<string> Settings { get; private set; }
+    }
+}