diff --git a/assets/base/lang/cy_gb/achievements.json b/assets/base/lang/cy_gb/achievements.json
index 1bc1f4dc..d9e7703f 100644
--- a/assets/base/lang/cy_gb/achievements.json
+++ b/assets/base/lang/cy_gb/achievements.json
@@ -1,4 +1,11 @@
 {
     "grantAchievementTemplate": "Cafodd {0} y [{1}] cyflawniad!",
-    "achievement_base:intercepted": "Rhyng-gipiad!"
+    "grantSecretAchievementTemplate": "Darganfod {0} cyflawniad cyfrinachol: [{1}]!",
+    "achievement_base:intercepted": "Rhyng-gipiad!",
+    "achievement_base:the_final_frontier": "Y Ffin Terfynol",
+    "achievement_base:0_0_11": "Fersiwn 0.0.11",
+    "achievement_base:right_back_at_ya": "Nôl I Ti!",
+    "achievementUnlocked": "Datgloi",
+    "achievementLocked": "Ar glo",
+    "achievementRequires": "Yn Ceisio"
 }
\ No newline at end of file
diff --git a/assets/base/lang/cy_gb/base_blocks.json b/assets/base/lang/cy_gb/base_blocks.json
index e35eb6f7..45e3e06c 100644
--- a/assets/base/lang/cy_gb/base_blocks.json
+++ b/assets/base/lang/cy_gb/base_blocks.json
@@ -153,5 +153,16 @@
     "base:steel_walkway": "Llwybr Dur",
     "base:structure_loader": "Llwythwr Strwythur",
     "base:structure_saver": "Cynilwr Strwythur",
-    "base:piston::heavy": "Piston Trwm"
+    "base:piston::heavy": "Piston Trwm",
+    "base:cloning_vat": "Cerwyn Clonio",
+    "base:door_gold": "Drws Aur",
+    "base:gold_handrail": "Canllaw Aur",
+    "base:gold_walkway": "Llwybr Aur",
+    "base:green_biomass": "Biomas Gwyrdd",
+    "base:ladder_gold": "Ysgol Aur",
+    "base:table_pedestal_wood": "Tabl Pedestal Pren",
+    "base:table_pedestal_gold": "Tabl Pedestal Aur",
+    "base:table_pedestal_iron": "Tabl Pedestal Haearn",
+    "base:table_pedestal_aluminium": "Tabl Pedestal Alwminiwm",
+    "base:table_pedestal_steel": "Tabl Pedestal Dur"
 }
\ No newline at end of file
diff --git a/assets/base/lang/cy_gb/base_items.json b/assets/base/lang/cy_gb/base_items.json
index 0ec00583..f98d5945 100644
--- a/assets/base/lang/cy_gb/base_items.json
+++ b/assets/base/lang/cy_gb/base_items.json
@@ -46,5 +46,13 @@
     "base:wood_pulp": "Mwydion Pren",
     "base:cardboard_sheet": "Taflen Chardfwrdd",
     "base:rotor_blades": "Llafn Rotor",
-    "base:ingot_steel": "Bar Dur"
+    "base:ingot_steel": "Bar Dur",
+    "base:milk_can": "Jwg Llaeth",
+    "base:cheese_piece": "Pisyn Caws",
+    "base:spawn_disk_laser_interceptor": "Disg Geni Rhyng-gipio Laser",
+    "base:spawn_disk_planteater": "Disg Geni Bwytawrplanhigyn",
+    "base:spawn_disk_interceptor_trap": "Disg Geni Rhyng-gipio Trap",
+    "base:spawn_disk_tundramel": "Disg Geni Twndramel",
+    "base:spawn_disk_incinerator": "Disg Geni Llosgwyr",
+    "base:spawn_disk_interceptor": "Disg Geni Rhyng-gipio"
 }
\ No newline at end of file
diff --git a/assets/base/lang/cy_gb/game.json b/assets/base/lang/cy_gb/game.json
index c94a5588..cec7b406 100644
--- a/assets/base/lang/cy_gb/game.json
+++ b/assets/base/lang/cy_gb/game.json
@@ -41,6 +41,7 @@
     "Saving": "Arbediad...",
     "Dynamic_Sky": "Awyr deinamig",
     "Space_Day": "Dydd Gofod",
+    "Space_Sky": "Awyr Gofod",
     "Dark_Night": "Nos Tywyll",
     "Earth_Day": "Dydd Daear",
     "Orange_Sky": "Awyr Oren",
@@ -64,6 +65,13 @@
     "Pick_Block": "Casglwyd",
     "Use_Place": "Defnyddio / Gosod",
     "Open_Chat": "Agor Sgwrs",
+    "Push_To_Talk": "Gwthio-I-Siarad",
+    "Toggle_Mute": "Toglo Mud",
+    "Voice_Mode": "Modd Llais",
+    "Voice_Settings": "Gosodiadau Llais",
+    "Microphone": "Microffon",
+    "Disabled": "Anabl",
+    "voiceVolume": "Lefel Sain Llais",
     "No_Clip": "Dim-clipio",
     "Change_Perspective": "Newid Safbwynt",
     "Reload_Shaders": "Ail-lwytho Arlliw-wyr",
@@ -143,5 +151,6 @@
     "multiplayerDeleteServer": "Dileu Gweinydd",
     "multiplayerDeleteConfirmPrompt": "Ydych chi'n siŵr eich bod chi eisiau dileu {0}?",
     "multiplayerEditServer": "Golygu Gweinydd",
-    "genericSelectionSearch": "Chwilio..."
+    "genericSelectionSearch": "Chwilio...",
+    "multiplayerLanLabel": "Gweinyddion LAN"
 }
\ No newline at end of file