diff --git a/public/themes/computers/locales/en.json b/public/themes/computers/locales/en.json
new file mode 100644
index 0000000..68eafe4
--- /dev/null
+++ b/public/themes/computers/locales/en.json
@@ -0,0 +1,55 @@
+{
+  "theme": {
+    "name": "Computers & GalliumCoin",
+    "title": "GalliumCoin Mining Lab",
+    "res": { "units": "CPU Power", "unit": "cycle", "funds": "GalliumCoin", "material": "Energy (W)" },
+    "fmt": { "funds": "{value} GAL" },
+    "action": { "make": "Run a computation", "buyMaterial": "Buy energy" },
+    "gen": {
+      "gen1": { "name": "Old Laptop", "desc": "Fans screaming, but it still crunches numbers." },
+      "gen2": { "name": "Gaming PC", "desc": "The RGB lighting adds at least 10% more power." },
+      "gen3": { "name": "GPU Mining Rig", "desc": "Six graphics cards and a prayer." },
+      "gen4": { "name": "Server Rack", "desc": "Forty-two units of blinking lights." },
+      "gen5": { "name": "Data Center", "desc": "A warehouse of racks and an industrial cooling plant." },
+      "gen6": { "name": "Quantum Mainframe", "desc": "Computes every possibility at once." }
+    },
+    "upg": {
+      "click_1": "Mechanical Keyboard",
+      "click_2": "Keyboard Macros",
+      "click_3": "Neural Interface",
+      "g1_a": "Thermal Paste",
+      "g1_b": "Fresh OS Install",
+      "g2_a": "Liquid Cooling",
+      "g2_b": "Overclocking",
+      "g3_a": "Custom BIOS",
+      "g3_b": "Memory Timing Tuning",
+      "g4_a": "Hot-Swap Drives",
+      "g4_b": "Load Balancer",
+      "g5_a": "Redundant Power Lines",
+      "g5_b": "Free Cooling (Arctic Site)",
+      "g6_a": "Cryogenic Coolant",
+      "g6_b": "Entangled Qubits",
+      "global_1": "Firmware Update",
+      "global_2": "Parallel Computing",
+      "global_3": "Learning Scheduler",
+      "global_4": "Distributed Grid",
+      "demand_1": "Forum Hype",
+      "demand_2": "Tech Influencers",
+      "demand_3": "Exchange Listing",
+      "demand_4": "Global Hype Cycle",
+      "value_1": "Shiny Whitepaper",
+      "value_2": "Celebrity Endorsement",
+      "value_3": "To The Moon",
+      "mat_eff_1": "Efficient PSU",
+      "mat_eff_2": "Low-Power Chips",
+      "mat_disc_1": "Off-Peak Contract",
+      "mat_disc_2": "Own Solar Farm",
+      "stack_1": "Bigger Batteries",
+      "stack_2": "Capacitor Banks",
+      "stack_3": "Grid Substation",
+      "stack_4": "Dedicated Power Line",
+      "stack_5": "Private Power Plant",
+      "auto_buy": "Smart Power Meter"
+    }
+  }
+}
diff --git a/public/themes/computers/locales/fr.json b/public/themes/computers/locales/fr.json
new file mode 100644
index 0000000..7783712
--- /dev/null
+++ b/public/themes/computers/locales/fr.json
@@ -0,0 +1,55 @@
+{
+  "theme": {
+    "name": "Ordinateurs et GalliumCoin",
+    "title": "Laboratoire de minage GalliumCoin",
+    "res": { "units": "Puissance CPU", "unit": "cycle", "funds": "GalliumCoin", "material": "Énergie (W)" },
+    "fmt": { "funds": "{value} GAL" },
+    "action": { "make": "Lancer un calcul", "buyMaterial": "Acheter de l'énergie" },
+    "gen": {
+      "gen1": { "name": "Vieux portable", "desc": "Les ventilateurs hurlent, mais il calcule encore." },
+      "gen2": { "name": "PC gamer", "desc": "Les LED RGB ajoutent au moins 10 % de puissance." },
+      "gen3": { "name": "Rig de minage GPU", "desc": "Six cartes graphiques et une prière." },
+      "gen4": { "name": "Baie de serveurs", "desc": "Quarante-deux unités de lumières clignotantes." },
+      "gen5": { "name": "Centre de données", "desc": "Un entrepôt de baies et une centrale de refroidissement industrielle." },
+      "gen6": { "name": "Mainframe quantique", "desc": "Calcule toutes les possibilités à la fois." }
+    },
+    "upg": {
+      "click_1": "Clavier mécanique",
+      "click_2": "Macros de clavier",
+      "click_3": "Interface neuronale",
+      "g1_a": "Pâte thermique",
+      "g1_b": "Réinstallation propre",
+      "g2_a": "Watercooling",
+      "g2_b": "Overclocking",
+      "g3_a": "BIOS personnalisé",
+      "g3_b": "Réglage des timings mémoire",
+      "g4_a": "Disques à chaud",
+      "g4_b": "Répartiteur de charge",
+      "g5_a": "Lignes électriques redondantes",
+      "g5_b": "Refroidissement naturel (site arctique)",
+      "g6_a": "Liquide cryogénique",
+      "g6_b": "Qubits intriqués",
+      "global_1": "Mise à jour du firmware",
+      "global_2": "Calcul parallèle",
+      "global_3": "Ordonnanceur apprenant",
+      "global_4": "Grille distribuée",
+      "demand_1": "Buzz sur les forums",
+      "demand_2": "Influenceurs tech",
+      "demand_3": "Cotation sur une plateforme",
+      "demand_4": "Cycle de hype mondial",
+      "value_1": "Livre blanc clinquant",
+      "value_2": "Soutien d'une célébrité",
+      "value_3": "Vers la Lune",
+      "mat_eff_1": "Alimentation efficace",
+      "mat_eff_2": "Puces basse consommation",
+      "mat_disc_1": "Contrat heures creuses",
+      "mat_disc_2": "Ferme solaire perso",
+      "stack_1": "Batteries plus grosses",
+      "stack_2": "Bancs de condensateurs",
+      "stack_3": "Poste de transformation",
+      "stack_4": "Ligne électrique dédiée",
+      "stack_5": "Centrale privée",
+      "auto_buy": "Compteur intelligent"
+    }
+  }
+}
diff --git a/public/themes/computers/theme.css b/public/themes/computers/theme.css
new file mode 100644
index 0000000..6795e7b
--- /dev/null
+++ b/public/themes/computers/theme.css
@@ -0,0 +1,15 @@
+/* Computers: a dark control-room console. */
+:root[data-theme='computers'] {
+  color-scheme: dark;
+  --bg: #0d1117;
+  --surface: #161b22;
+  --surface-2: #21262d;
+  --text: #e6edf3;
+  --text-muted: #9aa5b1;
+  --border: #30363d;
+  --accent: #1f6feb;
+  --accent-contrast: #ffffff;
+  --danger: #f85149;
+  --radius: 6px;
+  --font: 'Segoe UI', Inter, system-ui, -apple-system, sans-serif;
+}
diff --git a/public/themes/computers/theme.json b/public/themes/computers/theme.json
new file mode 100644
index 0000000..4b3a0d0
--- /dev/null
+++ b/public/themes/computers/theme.json
@@ -0,0 +1,4 @@
+{
+  "order": 5,
+  "assets": {}
+}
diff --git a/tests/server.test.js b/tests/server.test.js
index 546186a..0840bb8 100644
--- a/tests/server.test.js
+++ b/tests/server.test.js
@@ -19,7 +19,7 @@ test('resolveSafe stays inside the public directory', () => {
 test('/api/themes lists installed themes with their languages', async () => {
   const themes = await handleApi(PUBLIC_DIR, '/api/themes');
   const ids = themes.map((t) => t.id);
-  for (const id of ['paperclip', 'witch', 'alien', 'insects']) assert.ok(ids.includes(id), id);
+  for (const id of ['paperclip', 'witch', 'alien', 'insects', 'computers']) assert.ok(ids.includes(id), id);
   assert.deepEqual(themes.find((t) => t.id === 'paperclip').locales, ['en', 'fr']);
 });