diff --git a/maps/fish_defender_v2/main.lua b/maps/fish_defender_v2/main.lua
index bf747607..ebe5c414 100644
--- a/maps/fish_defender_v2/main.lua
+++ b/maps/fish_defender_v2/main.lua
@@ -1336,40 +1336,42 @@ function Public.reset_game()
     end
     Difficulty.reset_difficulty_poll({difficulty_poll_closing_timeout = wave_grace_period})
 
-    local difficulties = {
-        [1] = {
-            name = 'Easy',
-            value = 0.75,
-            color = {r = 0.00, g = 0.25, b = 0.00},
-            print_color = {r = 0.00, g = 0.4, b = 0.00},
-            enabled = true
-        },
-        [2] = {
-            name = 'Normal',
-            value = 1,
-            color = {r = 0.00, g = 0.00, b = 0.25},
-            print_color = {r = 0.0, g = 0.0, b = 0.5}
-        },
-        [3] = {
-            name = 'Hard',
-            value = 1.5,
-            color = {r = 0.25, g = 0.00, b = 0.00},
-            print_color = {r = 0.4, g = 0.0, b = 0.00}
-        },
-        [4] = {
-            name = 'Nightmare',
-            value = 3,
-            color = {r = 0.35, g = 0.00, b = 0.00},
-            print_color = {r = 0.6, g = 0.0, b = 0.00}
-        },
-        [5] = {
-            name = 'Impossible',
-            value = 5,
-            color = {r = 0.45, g = 0.00, b = 0.00},
-            print_color = {r = 0.8, g = 0.0, b = 0.00}
+    if game.is_multiplayer() then
+        local difficulties = {
+            [1] = {
+                name = 'Easy',
+                value = 0.75,
+                color = {r = 0.00, g = 0.25, b = 0.00},
+                print_color = {r = 0.00, g = 0.4, b = 0.00},
+                enabled = true
+            },
+            [2] = {
+                name = 'Normal',
+                value = 1,
+                color = {r = 0.00, g = 0.00, b = 0.25},
+                print_color = {r = 0.0, g = 0.0, b = 0.5}
+            },
+            [3] = {
+                name = 'Hard',
+                value = 1.5,
+                color = {r = 0.25, g = 0.00, b = 0.00},
+                print_color = {r = 0.4, g = 0.0, b = 0.00}
+            },
+            [4] = {
+                name = 'Nightmare',
+                value = 3,
+                color = {r = 0.35, g = 0.00, b = 0.00},
+                print_color = {r = 0.6, g = 0.0, b = 0.00}
+            },
+            [5] = {
+                name = 'Impossible',
+                value = 5,
+                color = {r = 0.45, g = 0.00, b = 0.00},
+                print_color = {r = 0.8, g = 0.0, b = 0.00}
+            }
         }
-    }
-    Difficulty.set_difficulties(difficulties)
+        Difficulty.set_difficulties(difficulties)
+    end
 
     local players = game.connected_players
     for i = 1, #players do