diff --git a/client/include/hex.h b/client/include/hex.h
index c83d052..d56b098 100644
--- a/client/include/hex.h
+++ b/client/include/hex.h
@@ -34,8 +34,7 @@ typedef struct GPUHexStruct {
 } GPUHex;
 
 typedef struct GPUHexRegionStruct {
-  int32_t q;
-  int32_t r;
+  HexCoord position;
   int32_t y;
   uint32_t map;
 
@@ -106,6 +105,11 @@ VkResult allocate_hex_region(
     HexContext* hex,
     RenderContext* gpu);
 
+VkResult free_hex_region(
+    uint32_t region_index,
+    HexContext* hex,
+    RenderContext* gpu);
+
 bool ray_world_intersect(
     float* distance,
     uint32_t* vertex,
@@ -144,4 +148,11 @@ void hex_add(HexCoord from, HexCoord* to);
 
 void hex_index(HexCoord world, HexCoord* region, uint32_t* hex);
 
+void hex_vertex_neighbors(
+  uint32_t vertex, HexCoord hex,
+  uint32_t n_vertex[2], HexCoord n_region[2], uint32_t n_hex[2]);
+
+void first_matching_region(HexCoord coord, int y, uint32_t* region, HexContext* context);
+
+
 #endif
diff --git a/client/src/editor.c b/client/src/editor.c
index 8b8070e..1a6c201 100644
--- a/client/src/editor.c
+++ b/client/src/editor.c
@@ -1,6 +1,8 @@
 #include <stdio.h>
+#include "hex.h"
 #include "hsv.h"
 #include "engine.h"
+#include "vulkan/vulkan_core.h"
 
 #include <math.h>
 #include <stdlib.h>
@@ -8,7 +10,6 @@
 #define COLOR_PICK_CONTAINER_ID 0x03
 typedef struct EditorDataStruct { 
   uint32_t selected_region;
-  uint32_t last_selected_region;
 
   uint32_t last_clicked_region;
   uint32_t last_clicked_hex;
@@ -29,6 +30,35 @@ uint32_t hex_color(vec4 color) {
        + ((lrint(color[3]*255.0) & 0xFF) <<  0);
 }
 
+VkResult set_vertex_height(float height, uint32_t region, uint32_t hex, uint32_t vertex, ClientContext* context) {
+  if(vertex == 0) return VK_ERROR_VALIDATION_FAILED_EXT;
+  context->hex.regions[region]->data.hexes[hex].height[vertex-1] = height; 
+  return add_transfer(
+      &context->hex.regions[region]->data.hexes[hex].height[vertex-1],
+      context->hex.regions[region]->region,
+      offsetof(GPUHexRegion, hexes)
+      + sizeof(GPUHex)*hex
+      + offsetof(GPUHex, height)
+      + sizeof(float)*(vertex-1),
+      sizeof(float),
+      context->render.current_frame,
+      &context->render);
+}
+
+VkResult set_vertex_color(vec4 color, uint32_t region, uint32_t hex, uint32_t vertex, ClientContext* context) {
+  context->hex.regions[region]->data.hexes[hex].color[vertex] = hex_color(color); 
+  return add_transfer(
+      &context->hex.regions[region]->data.hexes[hex].color[vertex],
+      context->hex.regions[region]->region,
+      offsetof(GPUHexRegion, hexes)
+      + sizeof(GPUHex)*hex
+      + offsetof(GPUHex, color)
+      + sizeof(uint32_t)*vertex,
+      sizeof(uint32_t),
+      context->render.current_frame,
+      &context->render);
+}
+
 uint32_t add_hex_region(ClientContext* context) {
   HexRegion* region;
 
@@ -834,12 +864,13 @@ VkResult update_region_info_ui(ClientContext* context) {
   EditorData* data = context->app_data;
   HexRegion* selected_region = context->hex.regions[data->selected_region];
 
-  snprintf(temp,
-      sizeof(temp),
-      "Region %4d", data->selected_region);
-  VK_RESULT(update_ui_string(temp, 0x01, 0, 0, &context->ui, &context->render));
 
   if(selected_region == NULL) {
+    snprintf(temp,
+        sizeof(temp),
+        "");
+    VK_RESULT(update_ui_string(temp, 0x01, 0, 0, &context->ui, &context->render));
+
     snprintf(
         temp,
         sizeof(temp),
@@ -858,16 +889,21 @@ VkResult update_region_info_ui(ClientContext* context) {
         "");
     VK_RESULT(update_ui_string(temp, 0x01, 0, 3, &context->ui, &context->render));
   } else {
+    snprintf(temp,
+        sizeof(temp),
+        "Region %4d", data->selected_region);
+    VK_RESULT(update_ui_string(temp, 0x01, 0, 0, &context->ui, &context->render));
+
     snprintf(
         temp,
         sizeof(temp),
-        "Q: %4d", selected_region->data.q);
+        "Q: %4d", selected_region->data.position.q);
     VK_RESULT(update_ui_string(temp, 0x01, 0, 1, &context->ui, &context->render));
 
     snprintf(
         temp,
         sizeof(temp),
-        "R: %4d", selected_region->data.r);
+        "R: %4d", selected_region->data.position.r);
     VK_RESULT(update_ui_string(temp, 0x01, 0, 2, &context->ui, &context->render));
 
     snprintf(
@@ -943,14 +979,12 @@ VkResult update_hex_info_ui(ClientContext* context) {
         context->hex.data.clicked_hex);
     VK_RESULT(update_ui_string(temp, 0x02, 0, 0, &context->ui, &context->render));
 
-
     HexCoord hex_world;
     hex_qr(context->hex.data.clicked_hex, &hex_world);
-
-    HexCoord region_coord = {region->data.q, region->data.r};
+    
+    HexCoord region_coord = {region->data.position.q, region->data.position.r};
     HexCoord region_world;
     region_qr(region_coord, &region_world);
-
     hex_add(region_world, &hex_world);
 
     snprintf(
@@ -1010,7 +1044,7 @@ VkResult update_hex_info_ui(ClientContext* context) {
 }
 
 bool editor_key_callback(ClientContext* context, int key, int action, int mods) {
-  (void)mods;
+  uint32_t start, next_region;
 
   if(action != GLFW_PRESS) return false;
 
@@ -1020,28 +1054,59 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
   switch(key) {
   case GLFW_KEY_EQUAL:
     data->selected_region = add_hex_region(context);
+    update_region_info_ui(context);
+    update_hex_info_ui(context);
     break;
 
-  case GLFW_KEY_LEFT_BRACKET:
-    data->selected_region -= 1;
-    if(data->selected_region > MAX_LOADED_REGIONS) {
+  case GLFW_KEY_MINUS:
+    free_hex_region(data->selected_region, &context->hex, &context->render);
+    start = data->selected_region;
+    next_region = start;
+    do {
+      next_region -= 1;
+      if(next_region > MAX_LOADED_REGIONS) next_region = MAX_LOADED_REGIONS;
+      if(next_region != MAX_LOADED_REGIONS && context->hex.regions[next_region] != NULL) break;
+    } while(next_region != start);
+    if(next_region == start) {
       data->selected_region = MAX_LOADED_REGIONS;
+    } else {
+      data->selected_region = next_region;
     }
+    update_region_info_ui(context);
+    update_hex_info_ui(context);
+    break;
+
+  case GLFW_KEY_LEFT_BRACKET:
+    start = data->selected_region;
+    next_region = start;
+    do {
+      next_region -= 1;
+      if(next_region > MAX_LOADED_REGIONS) next_region = MAX_LOADED_REGIONS;
+      if(next_region != MAX_LOADED_REGIONS && context->hex.regions[next_region] != NULL) break;
+    } while(next_region != start);
+    data->selected_region = next_region;
+    update_region_info_ui(context);
     break;
+
   case GLFW_KEY_RIGHT_BRACKET:
-    data->selected_region += 1;
-    if(data->selected_region > MAX_LOADED_REGIONS) {
-      data->selected_region = 0;
-    }
+    start = data->selected_region;
+    next_region = start;
+    do {
+      next_region += 1;
+      if(next_region > MAX_LOADED_REGIONS) next_region = 0;
+      if(next_region != MAX_LOADED_REGIONS && context->hex.regions[next_region] != NULL) break;
+    } while(next_region != start);
+    data->selected_region = next_region;
+    update_region_info_ui(context);
     break;
 
   case GLFW_KEY_I:
     if(context->hex.regions[data->selected_region] != NULL) {
-      context->hex.regions[data->selected_region]->data.q += 1;
+      context->hex.regions[data->selected_region]->data.position.q += 1;
       add_transfer(
-          &context->hex.regions[data->selected_region]->data.q,
+          &context->hex.regions[data->selected_region]->data.position,
           context->hex.regions[data->selected_region]->region,
-          offsetof(GPUHexRegion, q),
+          offsetof(GPUHexRegion, position),
           sizeof(uint32_t),
           context->render.current_frame,
           &context->render);
@@ -1050,11 +1115,11 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
     break;
   case GLFW_KEY_K:
     if(context->hex.regions[data->selected_region] != NULL) {
-      context->hex.regions[data->selected_region]->data.q -= 1;
+      context->hex.regions[data->selected_region]->data.position.q -= 1;
       add_transfer(
-          &context->hex.regions[data->selected_region]->data.q,
+          &context->hex.regions[data->selected_region]->data.position.q,
           context->hex.regions[data->selected_region]->region,
-          offsetof(GPUHexRegion, q),
+          offsetof(GPUHexRegion, position) + offsetof(HexCoord, q),
           sizeof(uint32_t),
           context->render.current_frame,
           &context->render);
@@ -1063,11 +1128,11 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
     break;
   case GLFW_KEY_J:
     if(context->hex.regions[data->selected_region] != NULL) {
-      context->hex.regions[data->selected_region]->data.r += 1;
+      context->hex.regions[data->selected_region]->data.position.r += 1;
       add_transfer(
-          &context->hex.regions[data->selected_region]->data.r,
+          &context->hex.regions[data->selected_region]->data.position.r,
           context->hex.regions[data->selected_region]->region,
-          offsetof(GPUHexRegion, r),
+          offsetof(GPUHexRegion, position) + offsetof(HexCoord, r),
           sizeof(uint32_t),
           context->render.current_frame,
           &context->render);
@@ -1076,11 +1141,11 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
     break;
   case GLFW_KEY_L:
     if(context->hex.regions[data->selected_region] != NULL) {
-      context->hex.regions[data->selected_region]->data.r -= 1;
+      context->hex.regions[data->selected_region]->data.position.r -= 1;
       add_transfer(
-          &context->hex.regions[data->selected_region]->data.r,
+          &context->hex.regions[data->selected_region]->data.position.r,
           context->hex.regions[data->selected_region]->region,
-          offsetof(GPUHexRegion, r),
+          offsetof(GPUHexRegion, position) + offsetof(HexCoord, r),
           sizeof(uint32_t),
           context->render.current_frame,
           &context->render);
@@ -1116,35 +1181,54 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
 
   case GLFW_KEY_Y:
     region = context->hex.regions[context->hex.data.clicked_region];
-    if(region != NULL) {
-      region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1] += 0.1; 
-      add_transfer(
-          &region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1],
-          region->region,
-          offsetof(GPUHexRegion, hexes)
-          + sizeof(GPUHex)*context->hex.data.clicked_hex
-          + offsetof(GPUHex, height)
-          + sizeof(float)*(context->hex.data.clicked_vertex-1),
-          sizeof(float),
-          context->render.current_frame,
-          &context->render);
+    if(region != NULL && context->hex.data.clicked_vertex != 0) {
+      float height = region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1] + 0.1; 
+
+      if(~mods & GLFW_MOD_CONTROL) {
+        uint32_t n_vertex[2], n_hex[2];
+        HexCoord n_region[2];
+        HexCoord world, region_center;
+
+        region_qr(region->data.position, &region_center);
+        hex_qr(context->hex.data.clicked_hex, &world);
+        hex_add(region_center, &world);
+        hex_vertex_neighbors(context->hex.data.clicked_vertex, world, n_vertex, n_region, n_hex);  
+
+        uint32_t n0, n1;
+        first_matching_region(n_region[0], region->data.y, &n0, &context->hex);
+        first_matching_region(n_region[1], region->data.y, &n1, &context->hex);
+
+        if(n0 != MAX_LOADED_REGIONS) set_vertex_height(height, n0, n_hex[0], n_vertex[0], context);
+        if(n1 != MAX_LOADED_REGIONS) set_vertex_height(height, n1, n_hex[1], n_vertex[1], context);
+      }
+      set_vertex_height(height, context->hex.data.clicked_region, context->hex.data.clicked_hex, context->hex.data.clicked_vertex, context);
       update_hex_info_ui(context);
     }
     break;
+
   case GLFW_KEY_H:
     region = context->hex.regions[context->hex.data.clicked_region];
-    if(region != NULL) {
-      region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1] -= 0.1; 
-      add_transfer(
-          &region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1],
-          region->region,
-          offsetof(GPUHexRegion, hexes)
-          + sizeof(GPUHex)*context->hex.data.clicked_hex
-          + offsetof(GPUHex, height)
-          + sizeof(float)*(context->hex.data.clicked_vertex-1),
-          sizeof(float),
-          context->render.current_frame,
-          &context->render);
+    if(region != NULL && context->hex.data.clicked_vertex != 0) {
+      float height = region->data.hexes[context->hex.data.clicked_hex].height[context->hex.data.clicked_vertex-1] - 0.1; 
+
+      if(~mods & GLFW_MOD_CONTROL) {
+        uint32_t n_vertex[2], n_hex[2];
+        HexCoord n_region[2];
+        HexCoord world, region_center;
+
+        region_qr(region->data.position, &region_center);
+        hex_qr(context->hex.data.clicked_hex, &world);
+        hex_add(region_center, &world);
+        hex_vertex_neighbors(context->hex.data.clicked_vertex, world, n_vertex, n_region, n_hex);  
+
+        uint32_t n0, n1;
+        first_matching_region(n_region[0], region->data.y, &n0, &context->hex);
+        first_matching_region(n_region[1], region->data.y, &n1, &context->hex);
+
+        if(n0 != MAX_LOADED_REGIONS) set_vertex_height(height, n0, n_hex[0], n_vertex[0], context);
+        if(n1 != MAX_LOADED_REGIONS) set_vertex_height(height, n1, n_hex[1], n_vertex[1], context);
+      }
+      set_vertex_height(height, context->hex.data.clicked_region, context->hex.data.clicked_hex, context->hex.data.clicked_vertex, context);
       update_hex_info_ui(context);
     }
     break;
@@ -1152,17 +1236,24 @@ bool editor_key_callback(ClientContext* context, int key, int action, int mods)
   case GLFW_KEY_E:
     region = context->hex.regions[context->hex.data.clicked_region];
     if(region != NULL) {
-      region->data.hexes[context->hex.data.clicked_hex].color[context->hex.data.clicked_vertex] = hex_color(data->current); 
-      add_transfer(
-          &region->data.hexes[context->hex.data.clicked_hex].color[context->hex.data.clicked_vertex],
-          region->region,
-          offsetof(GPUHexRegion, hexes)
-          + sizeof(GPUHex)*context->hex.data.clicked_hex
-          + offsetof(GPUHex, color)
-          + sizeof(uint32_t)*(context->hex.data.clicked_vertex),
-          sizeof(uint32_t),
-          context->render.current_frame,
-          &context->render);
+      uint32_t n_vertex[2], n_hex[2];
+      HexCoord n_region[2];
+      HexCoord world, region_center;
+
+      if(context->hex.data.clicked_vertex != 0) {
+        region_qr(region->data.position, &region_center);
+        hex_qr(context->hex.data.clicked_hex, &world);
+        hex_add(region_center, &world);
+        hex_vertex_neighbors(context->hex.data.clicked_vertex, world, n_vertex, n_region, n_hex);  
+
+        uint32_t n0, n1;
+        first_matching_region(n_region[0], region->data.y, &n0, &context->hex);
+        first_matching_region(n_region[1], region->data.y, &n1, &context->hex);
+
+        if(n0 != MAX_LOADED_REGIONS) set_vertex_color(data->current, n0, n_hex[0], n_vertex[0], context);
+        if(n1 != MAX_LOADED_REGIONS) set_vertex_color(data->current, n1, n_hex[1], n_vertex[1], context);
+      }
+      set_vertex_color(data->current, context->hex.data.clicked_region, context->hex.data.clicked_hex, context->hex.data.clicked_vertex, context);
       update_hex_info_ui(context);
     }
     break;
@@ -1181,11 +1272,6 @@ void editor_frame(ClientContext* context) {
     data->last_clicked_vertex = context->hex.data.clicked_vertex;
     update_hex_info_ui(context);
   }
-
-  if(data->selected_region != data->last_selected_region) {
-    data->last_selected_region = data->selected_region;
-    update_region_info_ui(context);
-  }
 }
 
 void editor_startup(ClientContext* context) {
@@ -1194,22 +1280,6 @@ void editor_startup(ClientContext* context) {
   color_ui(context);
 }
 
-void hex_vertex_neighbors(
-    uint32_t vertex, HexCoord region, uint32_t hex,
-    uint32_t n_vertex[2], HexCoord n_region[2], uint32_t n_hex[2]) {
-  HexCoord n1 = hex_directions_qr[(vertex+1) % 6];
-  HexCoord n2 = hex_directions_qr[(vertex+2) % 6];
-
-  HexCoord hex_world;
-  HexCoord region_world;
-
-  region_qr(region, &region_world);
-  hex_qr(hex, &hex_world);
-  hex_add(region_world, &hex_world);
-  hex_add(hex_world, &n1);
-  hex_add(hex_world, &n2);
-}
-
 int main() {
   EditorData* data = malloc(sizeof(EditorData));
   memset(data, 0, sizeof(EditorData));
diff --git a/client/src/hex.c b/client/src/hex.c
index c05ccd2..ece591c 100644
--- a/client/src/hex.c
+++ b/client/src/hex.c
@@ -759,6 +759,24 @@ VkResult set_hex_region(HexRegion* region, HexContext* hex, RenderContext* gpu)
         gpu);
 }
 
+VkResult free_hex_region(
+    uint32_t region_index,
+    HexContext* hex,
+    RenderContext* gpu) {
+  if(hex->regions[region_index] == NULL) return VK_ERROR_VALIDATION_FAILED_EXT;
+
+  free(hex->regions[region_index]);
+  hex->regions[region_index] = NULL;
+
+  VkDeviceAddress null_address = 0x00;
+  return add_transfers(
+      &null_address,
+      hex->context,
+      offsetof(GPUHexContext, regions) + sizeof(VkDeviceAddress)*region_index,
+      sizeof(VkDeviceAddress),
+      gpu);
+}
+
 VkResult allocate_hex_region(
     int32_t q,
     int32_t r,
@@ -782,8 +800,8 @@ VkResult allocate_hex_region(
     return VK_ERROR_OUT_OF_HOST_MEMORY;
   }
 
-  (*region)->data.q = q;
-  (*region)->data.r = r;
+  (*region)->data.position.q = q;
+  (*region)->data.position.r = r;
   (*region)->data.y = y;
   (*region)->data.map = map;
   VK_RESULT(create_storage_buffer(
@@ -793,9 +811,9 @@ VkResult allocate_hex_region(
         &(*region)->region,
         &(*region)->region_memory));
   VK_RESULT(add_transfer(
-        &(*region)->data.q,
+        &(*region)->data.position,
         (*region)->region,
-        offsetof(GPUHexRegion, q),
+        offsetof(GPUHexRegion, position),
         sizeof(int32_t)*3 + sizeof(uint32_t),
         gpu->current_frame,
         gpu));
@@ -920,9 +938,9 @@ bool ray_region_intersect(
   float intersect_distance = INFINITY;
   uint32_t intersection_vertex = 0;
    vec3 region_offset = {
-     ((float)region->data.q + (float)region->data.r/2)*REGION_WIDTH - region->data.r*HEX_X/2,
+     ((float)region->data.position.q + (float)region->data.position.r/2)*REGION_WIDTH - region->data.position.r*HEX_X/2,
      0,
-     0.75*region->data.r*REGION_HEIGHT + 0.25*region->data.r*HEX_Z + 0.5*region->data.q*HEX_Z,
+     0.75*region->data.position.r*REGION_HEIGHT + 0.25*region->data.position.r*HEX_Z + 0.5*region->data.position.q*HEX_Z,
    };
 
   for(uint32_t intersect_hid = 0; intersect_hid < REGION_HEX_COUNT; intersect_hid++) {
@@ -1277,3 +1295,30 @@ side_found:
     *hex = (3*radius*(radius-1) + 1) + radius*side + side_distance;
   }
 }
+
+void hex_vertex_neighbors(
+  uint32_t vertex, HexCoord hex,
+  uint32_t n_vertex[2], HexCoord n_region[2], uint32_t n_hex[2]) {
+  HexCoord n1 = hex_starts_qr[(vertex+3) % 6];
+  HexCoord n2 = hex_starts_qr[(vertex+4) % 6];
+
+  hex_add(hex, &n1);
+  hex_add(hex, &n2);
+
+  hex_index(n1, &n_region[0], &n_hex[0]);
+  hex_index(n2, &n_region[1], &n_hex[1]);
+
+  n_vertex[0] = ((vertex + 1) % 6) + 1;
+  n_vertex[1] = ((vertex + 3) % 6) + 1;
+}
+
+void first_matching_region(HexCoord coord, int y, uint32_t* region, HexContext* context) {
+  for(*region = 0; *region < MAX_LOADED_REGIONS; (*region)++) {
+    if(context->regions[*region] != NULL
+    && context->regions[*region]->data.position.q == coord.q
+    && context->regions[*region]->data.position.r == coord.r
+    && context->regions[*region]->data.y == y) {
+      return;
+    }
+  }
+}