diff --git a/src/sfall_arrays.cc b/src/sfall_arrays.cc
index ec61d03..002250d 100644
--- a/src/sfall_arrays.cc
+++ b/src/sfall_arrays.cc
@@ -53,9 +53,8 @@ public:
             return SFallScriptValue(0);
         };
         if (index == -1) { // special index to indicate if array is associative
-            throw(std::invalid_argument("Not implemented yet"));
+            return SFallScriptValue(0);
         };
-        // TODO: assoc
         return SFallScriptValue(index);
     }
 
@@ -105,25 +104,24 @@ public:
 
     ProgramValue GetArrayKey(int index)
     {
-        // if (index < -1 || index > size()) {
-        //     return SFallScriptValue(0);
-        // };
-        // if (index == -1) { // special index to indicate if array is associative
-        //     throw(std::invalid_argument("Not implemented yet"));
-        // };
-        // // TODO: assoc
-        // return SFallScriptValue(index);
+        if (index < -1 || index > size()) {
+            return SFallScriptValue(0);
+        };
+        if (index == -1) { // special index to indicate if array is associative
+            return SFallScriptValue(1);
+        };
+
+        return keys[index];
     }
 
     ProgramValue GetArray(const SFallScriptValue& key)
     {
-        // TODO assoc
+        auto iter = map.find(key);
+        if (iter == map.end()) {
+            return SFallScriptValue(0);
+        };
 
-        // auto element_index = key.asInt();
-        // if (element_index < 0 || element_index >= size()) {
-        //     return SFallScriptValue(0);
-        // };
-        // return values[element_index];
+        return iter->second;
     }
 
     void SetArray(const SFallScriptValue& key, const SFallScriptValue& val, bool allowUnset)
diff --git a/src/sfall_script_value.cc b/src/sfall_script_value.cc
index 5ef45bf..d6a059a 100644
--- a/src/sfall_script_value.cc
+++ b/src/sfall_script_value.cc
@@ -25,7 +25,6 @@ SFallScriptValue::SFallScriptValue(ProgramValue& value)
     switch (opcode) {
     case VALUE_TYPE_DYNAMIC_STRING:
     case VALUE_TYPE_STRING:
-        // TODO: Copy string
         pointerValue = value.pointerValue;
         break;
     case VALUE_TYPE_PTR:
@@ -67,4 +66,24 @@ int SFallScriptValue::asInt() const
     }
 }
 
+bool SFallScriptValue::operator<(SFallScriptValue const& other) const
+{
+    if (opcode != other.opcode) {
+        return opcode < other.opcode;
+    }
+
+    switch (opcode) {
+    case VALUE_TYPE_DYNAMIC_STRING:
+    case VALUE_TYPE_STRING:
+    case VALUE_TYPE_PTR:
+        return pointerValue < other.pointerValue;
+    case VALUE_TYPE_INT:
+        return integerValue < other.integerValue;
+    case VALUE_TYPE_FLOAT:
+        return floatValue < other.floatValue;
+    default:
+        throw(std::exception());
+    }
+}
+
 }
\ No newline at end of file
diff --git a/src/sfall_script_value.h b/src/sfall_script_value.h
index 32ce1a5..0d6405d 100644
--- a/src/sfall_script_value.h
+++ b/src/sfall_script_value.h
@@ -17,6 +17,8 @@ public:
     bool isFloat() const;
     bool isPointer() const;
     int asInt() const;
+
+    bool operator<(SFallScriptValue const& other) const;
 };
 
 }