diff --git a/solutions/csharp/annalyns-infiltration/1/AnnalynsInfiltration.cs b/solutions/csharp/annalyns-infiltration/1/AnnalynsInfiltration.cs
new file mode 100644
index 0000000..f8f1764
--- /dev/null
+++ b/solutions/csharp/annalyns-infiltration/1/AnnalynsInfiltration.cs
@@ -0,0 +1,26 @@
+static class QuestLogic
+{
+    public static bool CanFastAttack(bool knightIsAwake)
+    {
+        return !knightIsAwake;
+        throw new NotImplementedException("Please implement the (static) QuestLogic.CanFastAttack() method");
+    }
+
+    public static bool CanSpy(bool knightIsAwake, bool archerIsAwake, bool prisonerIsAwake)
+    {
+        return knightIsAwake || archerIsAwake || prisonerIsAwake;
+        throw new NotImplementedException("Please implement the (static) QuestLogic.CanSpy() method");
+    }
+
+    public static bool CanSignalPrisoner(bool archerIsAwake, bool prisonerIsAwake)
+    {
+        return prisonerIsAwake && !archerIsAwake;
+        throw new NotImplementedException("Please implement the (static) QuestLogic.CanSignalPrisoner() method");
+    }
+
+    public static bool CanFreePrisoner(bool knightIsAwake, bool archerIsAwake, bool prisonerIsAwake, bool petDogIsPresent)
+    {
+        return (petDogIsPresent && !archerIsAwake) || (!petDogIsPresent && prisonerIsAwake && !knightIsAwake && !archerIsAwake);
+        throw new NotImplementedException("Please implement the (static) QuestLogic.CanFreePrisoner() method");
+    }
+}