diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1438e4f..592016b 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,5 +5,8 @@
         "modname",
         "modpath",
         "Voxelis"
+    ],
+    "Lua.diagnostics.globals": [
+        "vox_colors"
     ]
 }
\ No newline at end of file
diff --git a/mods/BLOCKS/overworld/init.lua b/mods/BLOCKS/overworld/init.lua
index 219caf1..ce968ab 100644
--- a/mods/BLOCKS/overworld/init.lua
+++ b/mods/BLOCKS/overworld/init.lua
@@ -11,9 +11,3 @@
 -- with this program; if not, see <http://www.gnu.org/licenses/>.
 ---------------------------------------------------------------------------
 
-core.register_node("vox:grass", {
-    description = "Grass",
-    tiles = {"vox_grass.png"},
-    groups = {cracky = 3}
-})
-core.register_alias("grass", "vox:grass")
diff --git a/mods/CORE/colors/init.lua b/mods/CORE/colors/init.lua
index 8acf17e..c8a8c16 100644
--- a/mods/CORE/colors/init.lua
+++ b/mods/CORE/colors/init.lua
@@ -11,8 +11,6 @@
 -- with this program; if not, see <http://www.gnu.org/licenses/>.
 ---------------------------------------------------------------------------
 
-vox_colors_bg_brightness = 0.8;
-
 vox_colors = {
     WHITE       = "#FFFFFF",
     LIGHTGREY   = "#D3D3D3",
@@ -46,53 +44,57 @@ vox_colors = {
     FLAMINGO    = "#FC8EAC",
 }
 
-function vox_colors.bg(color) {
-    return vox_colors_multiplier(color, vox_colors_bg_brightness);
-}
+vox_colors.bg_brightness = 0.8;
+
+function vox_colors.bg(color)
+    return vox_colors.multiplier(color, vox_colors.bg_brightness);
+end
 
 -- Validate that the provided color string is a valid hex color
-function vox_colors.validate(color) {
-    if (color == nil) {
+function vox_colors.validate(color)
+    if color == nil then
         return false;
-    }
+    end
 
     -- Hex colors should always be a length of 7 (1 pound, 6 hex)
-    if (string.len(color) != 7) {
+    if string.len(color) ~= 7 then
         return false;
-    }
+    end
 
     -- Ensure first character is a pound
-    if (string.sub(color, 1, 1) != "#") {
+    if string.sub(color, 1, 1) ~= "#" then
         return false;
-    }
+    end
     
     -- Ensure that RR, GG, and BB are valid hex fields
-    if (string.match(string.sub(color, 2, 3), "[0-9A-Fa-f]") == nil) {
+    if (string.match(string.sub(color, 2, 3), "[0-9A-Fa-f]") == nil) then
         return false;
-    }
+    end
 
     return true;
-}
+end
 
--- Extract color information from the color and return a { red: Number, green: Number, blue: Number } table
-function vox_colors.extract_channels(color) {
-    return {
-        red: tonumber(string.sub(color, 2, 3), 16),
-        green: tonumber(string.sub(color, 4, 5), 16),
-        blue: tonumber(string.sub(color, 6, 7), 16)
-    };
-}
+-- Extract color information from the color and return a [ Number, Number, Number ] array
+function vox_colors.extract_channels(color)
+    local result = {};
 
-function vox_colors.from_channels(red, green, blue) {
+    result[0] = tonumber(string.sub(color, 2, 3), 16);
+    result[1] = tonumber(string.sub(color, 4, 5), 16);
+    result[2] = tonumber(string.sub(color, 6, 7), 16);
+
+    return result;
+end
+
+function vox_colors.from_channels(red, green, blue)
     return "#" .. string.format("%02X", red) .. string.format("%02X", green) .. string.format("%02X", blue);
-}
+end
 
 -- Multiply the color by a percentage
-function vox_colors.multiplier(color, percentage) {
-    local channels = vox_colors_extract_channels(color);
-    return vox_colors_from_channels(
+function vox_colors.multiplier(color, percentage) 
+    local channels = vox_colors.extract_channels(color);
+    return vox_colors.from_channels(
         math.floor(channels.red * percentage),
         math.floor(channels.green * percentage),
         math.floor(channels.blue * percentage)
     );
-}
\ No newline at end of file
+end
\ No newline at end of file
diff --git a/mods/CORE/vox_main/init.lua b/mods/CORE/vox_main/init.lua
index 0b5abeb..313a80d 100644
--- a/mods/CORE/vox_main/init.lua
+++ b/mods/CORE/vox_main/init.lua
@@ -15,7 +15,7 @@
 
 core.register_node("vox_main:grass", {
     description = "Grass",
-    tiles = {"vox_main_grass.png"},
+    tiles = {"vox_grass.png"},
     groups = {cracky = 3}
 })
 core.register_alias("grass", "vox_main:grass")
diff --git a/mods/HUD/inventory/init.lua b/mods/HUD/inventory/init.lua
index bf49497..8652ec3 100644
--- a/mods/HUD/inventory/init.lua
+++ b/mods/HUD/inventory/init.lua
@@ -11,8 +11,6 @@
 -- with this program; if not, see <http://www.gnu.org/licenses/>.
 ---------------------------------------------------------------------------
 
-vox_inventory {}
-
 -- Includes
 
 dofile(core.get_modpath(core.get_current_modname()) .. "/survival.lua")
@@ -26,7 +24,7 @@ function core.creative_enabled_for(name)
     if player then
         return player:get_meta():get_string("gamemode") == "creative"
     end
-    core.log(["warning"], "core.creative_enabled_for: player not found: " .. name)
+    core.log("warning", "core.creative_enabled_for: player not found: " .. name)
     return false
 end
 
@@ -36,6 +34,6 @@ function core.survival_enabled_for(name)
     if player then
         return player:get_meta():get_string("gamemode") == "survival"
     end
-    core.log(["warning"], "core.survival_enabled_for: player not found: " .. name)
+    core.log("warning", "core.survival_enabled_for: player not found: " .. name)
     return false
 end
\ No newline at end of file