diff -ruN a/index.html b/index.html
--- a/index.html
+++ b/index.html
@@ -8,6 +8,7 @@
       name="description"
       content="NEON RUMBLE is a dependency-free 2D fighting game built with HTML5 Canvas. Jab, kick, block, anti-air and land supers in a neon city."
     />
+    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; media-src 'self' blob: data:; connect-src 'self'; worker-src 'self' blob:">
     <meta name="theme-color" content="#070417" />
     <link rel="stylesheet" href="./style.css" />
     <link
@@ -26,10 +27,6 @@
         <strong>moves</strong> S+light low · S+heavy launcher · forward+kick overhead · J+K throw (tech J+K) ·
         motion + attack special · double motion + heavy super · tap direction twice to dash
       </p>
-      <p class="meta">
-        open source · MIT ·
-        <a href="https://github.com/hao035414-cmyk/neon-rumble">github.com/hao035414-cmyk/neon-rumble</a>
-      </p>
     </main>
     <script type="module" src="./src/main.js"></script>
   </body>
diff -ruN a/src/characters.js b/src/characters.js
--- a/src/characters.js
+++ b/src/characters.js
@@ -4,12 +4,12 @@
  */
 
 export const CHARACTER_MOVES = {
-  kai: { id: 'kai', role: '均衡', weapon: 'fist', stats: { speed: 3, power: 3, range: 3, difficulty: 2 }, u: 'plasma', s: 'dp', super: 'super' },
-  rin: { id: 'rin', role: '突进', weapon: 'blades', stats: { speed: 5, power: 3, range: 2, difficulty: 3 }, u: 'kunai', s: 'rush', super: 'rinSuper' },
-  volt: { id: 'volt', role: '投技', weapon: 'gauntlet', stats: { speed: 2, power: 5, range: 2, difficulty: 2 }, u: 'quake', s: 'grab', super: 'superThrow' },
-  nova: { id: 'nova', role: '弓手', weapon: 'bow', stats: { speed: 3, power: 2, range: 5, difficulty: 4 }, u: 'arrow', s: 'bowSweep', super: 'superArrow' },
-  saber: { id: 'saber', role: '连击', weapon: 'claws', stats: { speed: 4, power: 4, range: 2, difficulty: 4 }, u: 'sonic', s: 'triple', super: 'superRush' },
-  echo: { id: 'echo', role: '设置', weapon: 'device', stats: { speed: 2, power: 3, range: 4, difficulty: 3 }, u: 'resonance', s: 'orb', super: 'superOrb' },
+  kai: { id: 'kai', role: 'BALANCED', weapon: 'fist', stats: { speed: 3, power: 3, range: 3, difficulty: 2 }, u: 'plasma', s: 'dp', super: 'super' },
+  rin: { id: 'rin', role: 'RUSHDOWN', weapon: 'blades', stats: { speed: 5, power: 3, range: 2, difficulty: 3 }, u: 'kunai', s: 'rush', super: 'rinSuper' },
+  volt: { id: 'volt', role: 'GRAPPLER', weapon: 'gauntlet', stats: { speed: 2, power: 5, range: 2, difficulty: 2 }, u: 'quake', s: 'grab', super: 'superThrow' },
+  nova: { id: 'nova', role: 'ARCHER', weapon: 'bow', stats: { speed: 3, power: 2, range: 5, difficulty: 4 }, u: 'arrow', s: 'bowSweep', super: 'superArrow' },
+  saber: { id: 'saber', role: 'COMBO', weapon: 'claws', stats: { speed: 4, power: 4, range: 2, difficulty: 4 }, u: 'sonic', s: 'triple', super: 'superRush' },
+  echo: { id: 'echo', role: 'SETPLAY', weapon: 'device', stats: { speed: 2, power: 3, range: 4, difficulty: 3 }, u: 'resonance', s: 'orb', super: 'superOrb' },
 };
 
 export function validateCharacterMoves(moves, allMoves) {
diff -ruN a/src/render-select.js b/src/render-select.js
--- a/src/render-select.js
+++ b/src/render-select.js
@@ -124,7 +124,7 @@
   if (!pick) {
     ctx.fillStyle = 'rgba(255,255,255,0.5)';
     ctx.font = '13px "Segoe UI", "Microsoft YaHei", sans-serif';
-    ctx.fillText(state.locked[id] ? 'LOCKED' : '选择中…', x + 14, y + 52);
+    ctx.fillText(state.locked[id] ? 'LOCKED' : 'CHOOSING...', x + 14, y + 52);
     return;
   }
   const char = CHARACTERS[pick];
@@ -140,14 +140,14 @@
   ctx.fillText(moves.role + ' · ' + moves.weapon, x + 14, y + 98);
 
   const stats = moves.stats;
-  statBar(ctx, x + 14, y + 132, w - 28, '速度', stats.speed, color);
-  statBar(ctx, x + 14, y + 156, w - 28, '力量', stats.power, color);
-  statBar(ctx, x + 14, y + 180, w - 28, '距离', stats.range, color);
-  statBar(ctx, x + 14, y + 204, w - 28, '难度', stats.difficulty, color);
+  statBar(ctx, x + 14, y + 132, w - 28, 'SPEED', stats.speed, color);
+  statBar(ctx, x + 14, y + 156, w - 28, 'POWER', stats.power, color);
+  statBar(ctx, x + 14, y + 180, w - 28, 'RANGE', stats.range, color);
+  statBar(ctx, x + 14, y + 204, w - 28, 'SKILL', stats.difficulty, color);
 
   ctx.fillStyle = 'rgba(255,255,255,0.55)';
   ctx.font = '11px "Segoe UI", "Microsoft YaHei", sans-serif';
-  ctx.fillText('U 远程 · S 必杀 · 超杀', x + 14, y + h - 14);
+  ctx.fillText('U ranged · S special · Super', x + 14, y + h - 14);
 }
 
 export function drawCharacterSelect(ctx, state, t) {
@@ -163,7 +163,7 @@
   ctx.fillText('SELECT YOUR FIGHTER', VW / 2, 56);
   ctx.fillStyle = 'rgba(255,255,255,0.5)';
   ctx.font = '13px "Segoe UI", "Microsoft YaHei", sans-serif';
-  ctx.fillText(state.mode === 'cpu' ? '1P vs CPU · 难度 ' + state.difficulty.toFixed(1) : 'LOCAL 2P', VW / 2, 80);
+  ctx.fillText(state.mode === 'cpu' ? '1P vs CPU · difficulty ' + state.difficulty.toFixed(1) : 'LOCAL 2P', VW / 2, 80);
 
   drawGrid(ctx, state, t);
   drawPlayerPanel(ctx, state, 'p1', 16, 140, 176, 300);
@@ -175,8 +175,8 @@
   ctx.fillText(Math.max(0, Math.ceil(state.timer / 60)), VW / 2, 470);
   ctx.fillStyle = 'rgba(255,255,255,0.5)';
   ctx.font = '12px "Segoe UI", "Microsoft YaHei", sans-serif';
-  ctx.fillText('P1: A/D 选择 · J 确认 · K 返回', VW / 2, 496);
-  ctx.fillText('P2: 方向键选择 · 小键盘1 确认 · 小键盘2 返回', VW / 2, 516);
+  ctx.fillText('P1: A/D choose · J confirm · K back', VW / 2, 496);
+  ctx.fillText('P2: arrows choose · numpad 1 confirm · numpad 2 back', VW / 2, 516);
 }
 
 export function drawStageSelect(ctx, state, t) {
@@ -194,7 +194,7 @@
   const chooser = state.stageChooser;
   ctx.fillStyle = chooser === 'p1' ? P1 : P2;
   ctx.font = '13px "Segoe UI", "Microsoft YaHei", sans-serif';
-  ctx.fillText((chooser === 'p1' ? 'P1' : 'P2') + ' 选择地图' + (state.lastLoser ? ' · 上局败者' : ''), VW / 2, 76);
+  ctx.fillText((chooser === 'p1' ? 'P1' : 'P2') + ' picks the stage' + (state.lastLoser ? ' · lost the last match' : ''), VW / 2, 76);
 
   const ids = state.stages.concat(['random']);
   const cols = 3;
@@ -234,7 +234,7 @@
     ctx.fillText(stage ? stage.name : 'RANDOM', x + 16, y + h - 28);
     ctx.fillStyle = 'rgba(255,255,255,0.65)';
     ctx.font = '12px "Segoe UI", sans-serif';
-    ctx.fillText(stage ? stage.subtitle + ' · BGM ' + stage.music : '随机地图', x + 16, y + h - 10);
+    ctx.fillText(stage ? stage.subtitle + ' · BGM ' + stage.music : 'RANDOM STAGE', x + 16, y + h - 10);
 
     if (state.stageCursor === i) {
       ctx.strokeStyle = chooser === 'p1' ? P1 : P2;
@@ -252,7 +252,7 @@
   ctx.fillText(Math.max(0, Math.ceil(state.timer / 60)), VW / 2, 500);
   ctx.fillStyle = 'rgba(255,255,255,0.5)';
   ctx.font = '12px "Segoe UI", "Microsoft YaHei", sans-serif';
-  ctx.fillText('J / 小键盘1 确认 · K / 小键盘2 返回', VW / 2, 522);
+  ctx.fillText('J / numpad 1 confirm · K / numpad 2 back', VW / 2, 522);
 }
 
 export function drawVS(ctx, state, frame) {
diff -ruN a/src/stages.js b/src/stages.js
--- a/src/stages.js
+++ b/src/stages.js
@@ -5,7 +5,7 @@
 export const STAGES = [
   {
     id: 'neon_city',
-    name: '霓虹街道',
+    name: 'NEON STREET',
     subtitle: 'NEON CITY',
     kind: 'city',
     music: 'neon_city',
@@ -22,7 +22,7 @@
   },
   {
     id: 'desert_dusk',
-    name: '荒漠落日',
+    name: 'DESERT SUNSET',
     subtitle: 'DESERT DUSK',
     kind: 'desert',
     music: 'desert_dusk',
@@ -39,7 +39,7 @@
   },
   {
     id: 'snow_peak',
-    name: '雪山之巅',
+    name: 'SNOW SUMMIT',
     subtitle: 'SNOW PEAK',
     kind: 'snow',
     music: 'snow_peak',
@@ -56,7 +56,7 @@
   },
   {
     id: 'grassland_wind',
-    name: '草原长风',
+    name: 'WINDY PLAINS',
     subtitle: 'GRASSLAND WIND',
     kind: 'grass',
     music: 'grassland_wind',
@@ -73,7 +73,7 @@
   },
   {
     id: 'rainy_night',
-    name: '雨夜街头',
+    name: 'RAINY NIGHT STREETS',
     subtitle: 'RAINY NIGHT',
     kind: 'rain',
     music: 'rainy_night',