diff --git a/src/init/init.ts b/src/init/init.ts
index ba9738e2be8..72488bdc409 100644
--- a/src/init/init.ts
+++ b/src/init/init.ts
@@ -4,6 +4,7 @@ import { initEggMoves } from "#balance/egg-moves";
 import { initPokemonPrevolutions, initPokemonStarters } from "#balance/pokemon-evolutions";
 import { initSpecies } from "#balance/pokemon-species";
 import { initChallenges } from "#data/challenge";
+import { allMoves } from "#data/data-lists";
 import { initTrainerTypeDialogue } from "#data/dialogue";
 import { initPokemonForms } from "#data/pokemon-forms";
 import { initModifierPools } from "#modifiers/init-modifier-pools";
@@ -16,6 +17,10 @@ import { initStatsKeys } from "#ui/game-stats-ui-handler";
 
 /** Initialize the game. */
 export function initializeGame() {
+  if (allMoves.length > 0) {
+    console.warn("Game initialization ran twice during same session!");
+    return;
+  }
   initModifierTypes();
   initModifierPools();
   initAchievements();
diff --git a/test/abilities/cud-chew.test.ts b/test/abilities/cud-chew.test.ts
index 5f15de04cae..43e79057197 100644
--- a/test/abilities/cud-chew.test.ts
+++ b/test/abilities/cud-chew.test.ts
@@ -99,7 +99,7 @@ describe("Abilities - Cud Chew", () => {
       expect(abDisplaySpy.mock.calls[1][2]).toBe(false);
 
       // should display messgae
-      expect(game.textInterceptor.getLatestMessage()).toBe(
+      expect(game.textInterceptor.logs).toContain(
         i18next.t("battle:hpIsFull", {
           pokemonName: getPokemonNameWithAffix(farigiraf),
         }),
diff --git a/test/test-utils/mocks/mock-console-log.ts b/test/test-utils/mocks/mock-console-log.ts
deleted file mode 100644
index f54d41fea3e..00000000000
--- a/test/test-utils/mocks/mock-console-log.ts
+++ /dev/null
@@ -1,80 +0,0 @@
-const originalLog = console.log;
-const originalError = console.error;
-const originalDebug = console.debug;
-const originalWarn = console.warn;
-
-const blacklist = ["Phaser", "variant icon does not exist", 'Texture "%s" not found'];
-const whitelist = ["Phase"];
-
-export class MockConsoleLog {
-  constructor(
-    private logDisabled = false,
-    private phaseText = false,
-  ) {}
-  private logs: any[] = [];
-  private notified: any[] = [];
-
-  public log(...args) {
-    const argsStr = this.getStr(args);
-    this.logs.push(argsStr);
-    if (this.logDisabled && !this.phaseText) {
-      return;
-    }
-    if ((this.phaseText && !whitelist.some(b => argsStr.includes(b))) || blacklist.some(b => argsStr.includes(b))) {
-      return;
-    }
-    originalLog(args);
-  }
-  public error(...args) {
-    const argsStr = this.getStr(args);
-    this.logs.push(argsStr);
-    originalError(args); // Appelle le console.error originel
-  }
-  public debug(...args) {
-    const argsStr = this.getStr(args);
-    this.logs.push(argsStr);
-    if (this.logDisabled && !this.phaseText) {
-      return;
-    }
-    if (!whitelist.some(b => argsStr.includes(b)) || blacklist.some(b => argsStr.includes(b))) {
-      return;
-    }
-    originalDebug(args);
-  }
-  warn(...args) {
-    const argsStr = this.getStr(args);
-    this.logs.push(args);
-    if (this.logDisabled && !this.phaseText) {
-      return;
-    }
-    if (!whitelist.some(b => argsStr.includes(b)) || blacklist.some(b => argsStr.includes(b))) {
-      return;
-    }
-    originalWarn(args);
-  }
-  notify(msg) {
-    originalLog(msg);
-    this.notified.push(msg);
-  }
-  getLogs() {
-    return this.logs;
-  }
-  clearLogs() {
-    this.logs = [];
-  }
-  getStr(...args) {
-    return args
-      .map(arg => {
-        if (typeof arg === "object" && arg !== null) {
-          // Handle objects including arrays
-          return JSON.stringify(arg, (_key, value) => (typeof value === "bigint" ? value.toString() : value));
-        }
-        if (typeof arg === "bigint") {
-          // Handle BigInt values
-          return arg.toString();
-        }
-        return arg.toString();
-      })
-      .join(";");
-  }
-}
diff --git a/test/test-utils/mocks/mock-console.ts b/test/test-utils/mocks/mock-console.ts
new file mode 100644
index 00000000000..45bad0b2f12
--- /dev/null
+++ b/test/test-utils/mocks/mock-console.ts
@@ -0,0 +1,125 @@
+import { stderr, stdout } from "node:process";
+import util from "node:util";
+import chalk, { type ChalkInstance } from "chalk";
+
+// TODO: Review this
+const blacklist = [
+  "variant icon does not exist", // Repetitive warnings about icons not found
+  'Texture "%s" not found', // Repetitive warnings about textures not found
+  "type: 'Pokemon',", // Large Pokemon objects
+  "gameVersion: ", // Large session-data and system-data objects
+];
+const whitelist = ["Start Phase"];
+
+/**
+ * The {@linkcode MockConsole} is a wrapper around the global {@linkcode console} object.
+ * It automatically colors text and such.
+ */
+export class MockConsole extends console.Console {
+  /**
+   * A list of warnings that are queued to be displayed after all tests in the same file are finished.
+   */
+  private static queuedWarnings: unknown[][] = [];
+
+  /**
+   * Queue a warning to be printed after all tests in the same file are finished.
+   */
+  // TODO: Add some warnings
+  public static queuePostTestWarning(...data: unknown[]): void {
+    MockConsole.queuedWarnings.push(data);
+  }
+
+  constructor() {
+    super(stdout, stderr, false);
+  }
+
+  /**
+   * Print all post-test warnings that have been queued, and then clears the queue.
+   */
+  public static printPostTestWarnings() {
+    for (const data of MockConsole.queuedWarnings) {
+      console.warn(...data);
+    }
+    MockConsole.queuedWarnings = [];
+  }
+
+  /**
+   * Check whether a given ste of data is in the blacklist to be barred from logging.
+   * @param data - The data being logged
+   * @returns Whether `data` is blacklisted from console logging
+   */
+  private checkBlacklist(data: unknown[]): boolean {
+    const dataStr = this.getStr(data);
+    return !whitelist.some(b => dataStr.includes(b)) && blacklist.some(b => dataStr.includes(b));
+  }
+
+  public trace(...data: unknown[]) {
+    if (this.checkBlacklist(data)) {
+      return;
+    }
+
+    // TODO: Figure out how to add color to the full trace text
+    super.trace(this.addColor(chalk.hex("#b700ff"), ...data));
+  }
+
+  public debug(...data: unknown[]) {
+    if (this.checkBlacklist(data)) {
+      return;
+    }
+
+    super.debug(this.addColor(chalk.hex("#874600ff"), ...data));
+  }
+
+  public log(...data: unknown[]): void {
+    if (this.checkBlacklist(data)) {
+      return;
+    }
+
+    if (typeof data[0] === "string" && data[0].includes("%c")) {
+      // Strip all CSS from console logs in place of green format
+      // (such as for "Start Phase" messages)
+      data[0] = data[0].replace("%c", "");
+      super.log(this.addColor(chalk.green, data[0]));
+    } else if (data[0] === "[UI]") {
+      // Orange for UI debug messages
+      super.log(this.addColor(chalk.hex("#ffa500"), ...data));
+    } else {
+      super.log(...data);
+    }
+  }
+
+  public warn(...data: unknown[]) {
+    if (this.checkBlacklist(data)) {
+      return;
+    }
+
+    super.warn(this.addColor(chalk.yellow, ...data));
+  }
+
+  public error(...data: unknown[]) {
+    if (this.checkBlacklist(data)) {
+      return;
+    }
+
+    super.error(this.addColor(chalk.redBright, ...data));
+  }
+
+  /**
+   * Returns a human-readable string representation of `data`.
+   */
+  private getStr(data: unknown) {
+    return util.inspect(data, { sorted: true, breakLength: 120 });
+  }
+
+  /**
+   * Prepends the given color to every argument in the given data.
+   * Also appends the white ANSI code as an extra argument, so that the added color does not leak to future messages.
+   * @param color - A Chalk instance used to color the output.
+   * @param data - The data that the color should be applied to.
+   * @returns A stringified copy of `data` with the color prepended to every argument.
+   * @todo Do we need to prepend it?
+   */
+  private addColor(color: ChalkInstance, ...data: unknown[]): string[] {
+    return data.map(a => `${color(typeof a === "string" ? a : this.getStr(a))}`);
+  }
+}
diff --git a/test/test-utils/mocks/mocks-container/mock-text.ts b/test/test-utils/mocks/mocks-container/mock-text.ts
index ad2fce80972..a64aa45ef80 100644
--- a/test/test-utils/mocks/mocks-container/mock-text.ts
+++ b/test/test-utils/mocks/mocks-container/mock-text.ts
@@ -1,4 +1,5 @@
 import type { MockGameObject } from "#test/test-utils/mocks/mock-game-object";
+import type { TextInterceptor } from "#test/test-utils/text-interceptor";
 import { UI } from "#ui/ui";
 
 export class MockText implements MockGameObject {
@@ -82,13 +83,14 @@ export class MockText implements MockGameObject {
 
   showText(
     text: string,
-    delay?: number | null,
+    _delay?: number | null,
     callback?: Function | null,
-    callbackDelay?: number | null,
-    prompt?: boolean | null,
-    promptDelay?: number | null,
+    _callbackDelay?: number | null,
+    _prompt?: boolean | null,
+    _promptDelay?: number | null,
   ) {
-    this.scene.messageWrapper.showText(text, delay, callback, callbackDelay, prompt, promptDelay);
+    // TODO: this is a very bad way to pass calls around
+    (this.scene.messageWrapper as TextInterceptor).showText(text);
     if (callback) {
       callback();
     }
@@ -96,13 +98,13 @@ export class MockText implements MockGameObject {
 
   showDialogue(
     keyOrText: string,
-    name: string | undefined,
-    delay: number | null = 0,
+    name: string,
+    _delay: number | null,
     callback: Function,
-    callbackDelay?: number,
-    promptDelay?: number,
+    _callbackDelay?: number,
+    _promptDelay?: number,
   ) {
-    this.scene.messageWrapper.showDialogue(keyOrText, name, delay, callback, callbackDelay, promptDelay);
+    (this.scene.messageWrapper as TextInterceptor).showDialogue(keyOrText, name);
     if (callback) {
       callback();
     }
diff --git a/test/test-utils/test-file-initialization.ts b/test/test-utils/test-file-initialization.ts
index 631d3f9146b..578a6129adf 100644
--- a/test/test-utils/test-file-initialization.ts
+++ b/test/test-utils/test-file-initialization.ts
@@ -1,9 +1,7 @@
 import { SESSION_ID_COOKIE_NAME } from "#app/constants";
-import { initializeGame } from "#app/init/init";
-import { initI18n } from "#plugins/i18n";
 import { blobToString } from "#test/test-utils/game-manager-utils";
 import { manageListeners } from "#test/test-utils/listeners-manager";
-import { MockConsoleLog } from "#test/test-utils/mocks/mock-console-log";
+import { MockConsole } from "#test/test-utils/mocks/mock-console";
 import { mockContext } from "#test/test-utils/mocks/mock-context-canvas";
 import { mockLocalStorage } from "#test/test-utils/mocks/mock-local-storage";
 import { MockImage } from "#test/test-utils/mocks/mocks-container/mock-image";
@@ -12,40 +10,35 @@ import Phaser from "phaser";
 import BBCodeText from "phaser3-rex-plugins/plugins/bbcodetext";
 import InputText from "phaser3-rex-plugins/plugins/inputtext";
 
-let wasInitialized = false;
-
 /**
- * Run initialization code upon starting a new file, both per-suite and per-instance oncess.
+ * Run per-suite initialization code upon starting a new file.
  */
 export function initTests(): void {
   setupStubs();
-  if (!wasInitialized) {
-    initTestFile();
-    wasInitialized = true;
-  }
-
   manageListeners();
 }
 
-/**
- * Initialize various values at the beginning of each testing instance.
- */
-function initTestFile(): void {
-  initI18n();
-  initializeGame();
-}
-
 /**
  * Setup various stubs for testing.
  * @todo Move this into a dedicated stub file instead of running it once per test instance
+ * @todo review these to see which are actually necessary
  * @todo Investigate why this resets on new test suite start
  */
 function setupStubs(): void {
-  Object.defineProperty(window, "localStorage", {
-    value: mockLocalStorage(),
-  });
-  Object.defineProperty(window, "console", {
-    value: new MockConsoleLog(false),
+  console.log(console instanceof MockConsole);
+  console.log(Phaser.GameObjects.Image instanceof MockImage);
+  Object.defineProperties(window, {
+    localStorage: {
+      value: mockLocalStorage(),
+    },
+    console: {
+      value: new MockConsole(),
+    },
+    matchMedia: {
+      value: () => ({
+        matches: false,
+      }),
+    },
   });
   Object.defineProperty(document, "fonts", {
     writable: true,
@@ -69,11 +62,6 @@ function setupStubs(): void {
   navigator.getGamepads = () => [];
   setCookie(SESSION_ID_COOKIE_NAME, "fake_token");
 
-  window.matchMedia = () =>
-    ({
-      matches: false,
-    }) as any;
-
   /**
    * Sets this object's position relative to another object with a given offset
    * @param guideObject - The {@linkcode Phaser.GameObjects.GameObject} to base the position off of
diff --git a/test/test-utils/text-interceptor.ts b/test/test-utils/text-interceptor.ts
index 36a5db4c78d..2e39fe03449 100644
--- a/test/test-utils/text-interceptor.ts
+++ b/test/test-utils/text-interceptor.ts
@@ -1,39 +1,48 @@
+import type { BattleScene } from "#app/battle-scene";
+import chalk from "chalk";
+
 /**
- * Class will intercept any text or dialogue message calls and log them for test purposes
+ * The {@linkcode TextInterceptor} is a wrapper class that intercepts and logs any messages
+ * that would be displayed on-screen.
  */
 export class TextInterceptor {
-  private scene;
-  public logs: string[] = [];
-  constructor(scene) {
-    this.scene = scene;
+  /** A log containing messages having been displayed on screen, sorted in FIFO order. */
+  public readonly logs: string[] = [];
+
+  constructor(scene: BattleScene) {
+    // @ts-expect-error: Find another more sanitary way of doing this
     scene.messageWrapper = this;
   }
 
-  showText(
-    text: string,
-    _delay?: number,
-    _callback?: Function,
-    _callbackDelay?: number,
-    _prompt?: boolean,
-    _promptDelay?: number,
-  ): void {
-    console.log(text);
+  /** Clear the current content of the TextInterceptor. */
+  public clearLogs(): void {
+    this.logs.splice(0);
+  }
+
+  showText(text: string): void {
+    console.log(this.formatText(text));
     this.logs.push(text);
   }
 
-  showDialogue(
-    text: string,
-    name: string,
-    _delay?: number,
-    _callback?: Function,
-    _callbackDelay?: number,
-    _promptDelay?: number,
-  ): void {
-    console.log(name, text);
+  showDialogue(text: string, name: string): void {
+    console.log(this.formatText(`${name}: \n${text}`));
     this.logs.push(name, text);
   }
 
-  getLatestMessage(): string {
-    return this.logs.pop() ?? "";
+  /**
+   * Format text to be displayed to the test console, as follows:
+   * 1. Replaces new lines and new text boxes (marked by `$`) with indented new lines.
+   * 2. Removes all `@c{}`, `@d{}`, `@s{}`, and `@f{}` flags from the text.
+   * 3. Makes text blue
+   * @param text - The unformatted text
+   * @returns The formatted text
+   */
+  private formatText(text: string): string {
+    return chalk.blue(
+      text
+        .replace(/\n/g, "\n  ")
+        .replace(/\$/g, "\n  ")
+        .replace(/@\w{.*?}/g, ""),
+    );
   }
 }
diff --git a/test/vitest.setup.ts b/test/vitest.setup.ts
index be35e18e2e9..dcc0074a680 100644
--- a/test/vitest.setup.ts
+++ b/test/vitest.setup.ts
@@ -1,4 +1,6 @@
 import "vitest-canvas-mock";
+import { initializeGame } from "#app/init/init";
+import { MockConsole } from "#test/test-utils/mocks/mock-console";
 import { initTests } from "#test/test-utils/test-file-initialization";
 import { afterAll, beforeAll, vi } from "vitest";
 
@@ -14,6 +16,20 @@ vi.mock("#app/overrides", async importOriginal => {
   } satisfies typeof import("#app/overrides");
 });
 
+//#region Mocking
+
+/** Mock the override import to always return default values, ignoring any custom overrides. */
+vi.mock("#app/overrides", async importOriginal => {
+  const { defaultOverrides } = await importOriginal<typeof import("#app/overrides")>();
+
+  return {
+    default: defaultOverrides,
+    // Export `defaultOverrides` as a *copy*.
+    // This ensures we can easily reset `overrides` back to its default values after modifying it.
+    defaultOverrides: { ...defaultOverrides },
+  } satisfies typeof import("#app/overrides");
+});
+
 /**
  * This is a hacky way to mock the i18n backend requests (with the help of {@link https://mswjs.io/ | msw}).
  * The reason to put it inside of a mock is to elevate it.
@@ -30,8 +46,12 @@ vi.mock("i18next", async importOriginal => {
       const filename = req.params[0];
 
       try {
-        const json = await import(`../public/locales/en/${req.params[0]}`);
-        console.log("Loaded locale", filename);
+        const localeFiles = import.meta.glob("../public/locales/en/**/*.json", { eager: true });
+        const json = localeFiles[`../public/locales/en/${filename}`] || {};
+        //
+        if (import.meta.env.VITE_I18N_DEBUG === "1") {
+          console.log("Loaded locale", filename);
+        }
         return HttpResponse.json(json);
       } catch (err) {
         console.log(`Failed to load locale ${filename}!`, err);
@@ -48,13 +68,25 @@ vi.mock("i18next", async importOriginal => {
   return await importOriginal();
 });
 
+/** Ensure that i18n is initialized on all calls. */
+// TODO: Initialize i18n directly on import instead of initializing it during importing of trainer code
+vi.mock("#app/plugins/i18n", async importOriginal => {
+  const importedStuff = await importOriginal<typeof import("#app/plugins/i18n")>();
+  const { initI18n } = importedStuff;
+  await initI18n();
+  return importedStuff;
+});
+
 global.testFailed = false;
 
+initializeGame();
+
 beforeAll(() => {
   initTests();
 });
 
 afterAll(() => {
   global.server.close();
+  MockConsole.printPostTestWarnings();
   console.log("Closing i18n MSW server!");
 });