Sound has been updated. As a result snares can be collected from a bit further away as it is now harder to tell when you're about to step on it. A few string updates. Mountain terrain added. May require rope for traversal.

src/save_system.nvgt

@@ -145,6 +145,7 @@ void clear_world_objects() {
 
     clear_zombies();
     clear_bandits();
+    clear_mountains();
 }
 
 void reset_game_state() {
@@ -161,6 +162,13 @@ void reset_game_state() {
     fall_start_y = 0;
     sling_charging = false;
     searching = false;
+    rope_climbing = false;
+    rope_climb_up = true;
+    rope_climb_target_x = 0;
+    rope_climb_target_y = 0;
+    rope_climb_start_y = 0;
+    pending_rope_climb_x = -1;
+    pending_rope_climb_elevation = 0;
 
     player_health = 10;
     base_max_health = 10;
@@ -302,6 +310,32 @@ string serialize_bandit(Bandit@ bandit) {
     return bandit.position + "|" + bandit.health + "|" + bandit.weapon_type + "|" + bandit.behavior_state + "|" + bandit.wander_direction + "|" + bandit.move_interval;
 }
 
+string serialize_mountain(MountainRange@ mountain) {
+    string result = mountain.start_position + "|" + mountain.end_position + "|";
+
+    // Serialize elevations
+    for (int i = 0; i < int(mountain.elevations.length()); i++) {
+        if (i > 0) result += ",";
+        result += mountain.elevations[i];
+    }
+    result += "|";
+
+    // Serialize terrain types
+    for (int i = 0; i < int(mountain.terrain_types.length()); i++) {
+        if (i > 0) result += ",";
+        result += mountain.terrain_types[i];
+    }
+    result += "|";
+
+    // Serialize stream positions
+    for (uint i = 0; i < mountain.stream_positions.length(); i++) {
+        if (i > 0) result += ",";
+        result += mountain.stream_positions[i];
+    }
+
+    return result;
+}
+
 string join_string_array(const string[]@ arr) {
     if (@arr == null || arr.length() == 0) return "";
     string result = arr[0];
@@ -645,6 +679,12 @@ bool save_game_state() {
     }
     saveData.set("bandits_data", join_string_array(banditData));
 
+    string[] mountainData;
+    for (uint i = 0; i < world_mountains.length(); i++) {
+        mountainData.insert_last(serialize_mountain(world_mountains[i]));
+    }
+    saveData.set("mountains_data", join_string_array(mountainData));
+
     string rawData = saveData.serialize();
     string encryptedData = encrypt_save_data(rawData);
     return save_data(SAVE_FILE_PATH, encryptedData);
@@ -982,6 +1022,45 @@ bool load_game_state() {
         bandits.insert_last(b);
     }
 
+    string[] mountainData = get_string_list_or_split(saveData, "mountains_data");
+    for (uint i = 0; i < mountainData.length(); i++) {
+        string[]@ parts = mountainData[i].split("|");
+        if (parts.length() < 5) continue;
+
+        int start_pos = parse_int(parts[0]);
+        int end_pos = parse_int(parts[1]);
+        int size = end_pos - start_pos + 1;
+
+        // Create mountain with minimal init (we'll override everything)
+        MountainRange@ mountain = MountainRange(start_pos, 1);
+        mountain.start_position = start_pos;
+        mountain.end_position = end_pos;
+
+        // Parse elevations
+        string[]@ elev_parts = parts[2].split(",");
+        mountain.elevations.resize(elev_parts.length());
+        for (uint j = 0; j < elev_parts.length(); j++) {
+            mountain.elevations[j] = parse_int(elev_parts[j]);
+        }
+
+        // Parse terrain types
+        string[]@ terrain_parts = parts[3].split(",");
+        mountain.terrain_types.resize(terrain_parts.length());
+        for (uint j = 0; j < terrain_parts.length(); j++) {
+            mountain.terrain_types[j] = terrain_parts[j];
+        }
+
+        // Parse stream positions
+        if (parts[4].length() > 0) {
+            string[]@ stream_parts = parts[4].split(",");
+            for (uint j = 0; j < stream_parts.length(); j++) {
+                mountain.stream_positions.insert_last(parse_int(stream_parts[j]));
+            }
+        }
+
+        world_mountains.insert_last(mountain);
+    }
+
     update_ambience(true);
     return true;
 }