Arcane Tycoon — Heroes & Magic theme park tycoon game

Complete browser game inspired by OpenRCT2 with fantasy twist:
- Custom roller coaster designer with physics-based ratings + on-ride POV
- 10 animated rides, 7 shops, 16 scenery items, path network & guest AI
- Heroes guild vs monster invasions (5 classes, XP/gear/bosses)
- Magic spell system (8 spells), research tree, economy/marketing/loans
- Day-night cycle, weather, park rating, awards, 4 scenarios
- Save/load slots + autosave, procedural WebAudio SFX/music
- Isometric canvas renderer, minimap, diagnostics overlay
- Test suites: smoke(13), linkcheck, inputcheck, framecheck, rendercheck, flow

tests/linkcheck.mjs

@@ -0,0 +1,103 @@
+// ============ linkcheck.mjs — import EVERY module under a DOM stub ============
+// Catches missing/misnamed exports (module linking errors) without a browser.
+// Run: node tests/linkcheck.mjs
+let failures = 0;
+
+const makeCtx = () => new Proxy({}, {
+  get(t, p) {
+    if (p === 'canvas') return {};
+    if (!(p in t)) t[p] = (...args) => makeCtx();
+    const v = t[p];
+    return typeof v === 'function' ? v : t[p];
+  },
+  set() { return true; },
+});
+
+const fakeEl = (id = '') => {
+  const el = {
+    id, style: {}, dataset: {}, children: [],
+    classList: { add() {}, remove() {}, toggle() {}, contains: () => true },
+    setAttribute() {}, getAttribute: () => null,
+    addEventListener() {}, removeEventListener() {},
+    appendChild(c) { el.children.push(c); }, remove() {}, click() {},
+    querySelectorAll: () => [], querySelector: () => null,
+    getBoundingClientRect: () => ({ left: 0, top: 0, width: 100, height: 100 }),
+    getContext: () => makeCtx(),
+    focus() {}, select() {},
+    files: [],
+    text: '',
+    _innerHTML: '',
+    firstChild: null,
+  };
+  Object.defineProperty(el, 'innerHTML', {
+    get() { return el._innerHTML; },
+    set(v) {
+      el._innerHTML = String(v);
+      if (!el._innerHTML) el.children = [];
+      el.firstChild = el.children[0] ?? null;
+    },
+  });
+  Object.defineProperty(el, 'textContent', {
+    get() { return el._textContent ?? ''; },
+    set(v) { el._textContent = String(v); },
+  });
+  let width = 300, height = 150;
+  Object.defineProperty(el, 'width', { get: () => width, set: v => { width = v; } });
+  Object.defineProperty(el, 'height', { get: () => height, set: v => { height = v; } });
+  return el;
+};
+
+globalThis.window = globalThis;
+globalThis.innerWidth = 1280;
+globalThis.innerHeight = 800;
+globalThis.requestAnimationFrame = () => 0;
+globalThis.cancelAnimationFrame = () => {};
+globalThis.addEventListener = () => {};
+globalThis.removeEventListener = () => {};
+globalThis.localStorage = { _m: {}, getItem(k) { return this._m[k] ?? null; }, setItem(k, v) { this._m[k] = String(v); }, removeItem(k) { delete this._m[k]; } };
+globalThis.document = {
+  getElementById: id => (globalThis.__els ??= {})[id] ?? ((globalThis.__els[id] = fakeEl(id))),
+  createElement: tag => fakeEl(tag),
+  querySelectorAll: () => [],
+  querySelector: () => null,
+  addEventListener() {},
+  body: { appendChild() {} },
+};
+globalThis.AudioContext = undefined;
+globalThis.Blob = class { constructor() {} };
+globalThis.URL = { createObjectURL: () => 'blob:x', revokeObjectURL: () => {} };
+
+async function load(label, path) {
+  try {
+    await import(path);
+    console.log(`✔ ${label}`);
+  } catch (e) {
+    failures++;
+    console.error(`✘ ${label}: ${e.message}`);
+    console.error(e.stack?.split('\n').slice(1, 3).join('\n'));
+  }
+}
+
+await load('core/util', '../js/core/util.js');
+await load('core/config', '../js/core/config.js');
+await load('core/audio', '../js/core/audio.js');
+await load('world/map', '../js/world/map.js');
+await load('world/path', '../js/world/path.js');
+await load('game/economy', '../js/game/economy.js');
+await load('game/state', '../js/game/state.js');
+await load('game/guests', '../js/game/guests.js');
+await load('game/staff', '../js/game/staff.js');
+await load('game/rides', '../js/game/rides.js');
+await load('game/coaster', '../js/game/coaster.js');
+await load('game/heroes', '../js/game/heroes.js');
+await load('game/magic', '../js/game/magic.js');
+await load('game/research', '../js/game/research.js');
+await load('game/save', '../js/game/save.js');
+await load('render/renderer', '../js/render/renderer.js');
+await load('ui/ui', '../js/ui/ui.js');
+await load('ui/dialogs', '../js/ui/dialogs.js');
+await load('ui/povui', '../js/ui/povui.js');
+await load('main (full graph)', '../js/main.js');
+
+console.log(failures ? `\n${failures} LINK FAILURES` : '\nALL MODULES LINK OK');
+process.exit(failures ? 1 : 0);