diff --git a/deno.jsonc b/deno.jsonc
index 2d1fed1..f87b154 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -8,7 +8,9 @@
     "rules": {
       "exclude": [
         "no-explicit-any",
-        "camelcase"
+        "camelcase",
+        "no-import-prefix",
+        "no-unversioned-import"
       ]
     }
   },
diff --git a/lib/package_json.ts b/lib/package_json.ts
index ecdc31d..e3a6e1b 100644
--- a/lib/package_json.ts
+++ b/lib/package_json.ts
@@ -15,6 +15,8 @@ export interface GetPackageJsonOptions {
   includeTsLib: boolean | undefined;
   testEnabled: boolean | undefined;
   shims: ShimOptions;
+  testColor?: boolean;
+  testRunner?: boolean;
 }
 
 export function getPackageJson({
@@ -27,6 +29,8 @@ export function getPackageJson({
   includeTsLib,
   testEnabled,
   shims,
+  testColor = true,
+  testRunner = true,
 }: GetPackageJsonOptions): Record<string, unknown> {
   const finalEntryPoints = transformOutput
     .main.entryPoints.map((e, i) => ({
@@ -65,7 +69,7 @@ export function getPackageJson({
   };
   const testDevDependencies = testEnabled
     ? ({
-      ...(!Object.keys(dependencies).includes("picocolors")
+      ...(testColor && !Object.keys(dependencies).includes("picocolors")
         ? {
           "picocolors": "^1.0.0",
         }
@@ -88,7 +92,7 @@ export function getPackageJson({
     // override with specified dependencies
     ...(packageJsonObj.devDependencies ?? {}),
   };
-  const scripts = testEnabled
+  const scripts = testEnabled && testRunner
     ? ({
       test: "node test_runner.js",
       // override with specified scripts
diff --git a/lib/shims.ts b/lib/shims.ts
index 3cd19ba..5499b74 100644
--- a/lib/shims.ts
+++ b/lib/shims.ts
@@ -45,6 +45,12 @@ export interface ShimOptions {
   weakRef?: ShimValue;
   /** Shim `WebSocket` with the `ws` package (https://www.npmjs.com/package/ws). */
   webSocket?: boolean | "dev";
+  /** Shim `globalThis` with a proxy that provides Deno globals. */
+  globalThis?: ShimValue;
+  /** Enable colored test output using picocolors. */
+  testColor?: boolean;
+  /** Enable test runner script in package.json. */
+  testRunner?: boolean;
   /** Custom shims to use. */
   custom?: Shim[];
   /** Custom shims to use only for the test code. */
@@ -58,7 +64,11 @@ export interface DenoShimOptions {
   test: boolean | "dev";
 }
 
-export function shimOptionsToTransformShims(options: ShimOptions) {
+export function shimOptionsToTransformShims(options: ShimOptions): {
+  shims: Shim[];
+  testShims: Shim[];
+  useGlobalThisShim: boolean;
+} {
   const shims: Shim[] = [];
   const testShims: Shim[] = [];
 
@@ -84,9 +94,12 @@ export function shimOptionsToTransformShims(options: ShimOptions) {
     testShims.push(...options.customDev);
   }
 
+  const useGlobalThisShim = options.globalThis !== false;
+
   return {
     shims,
     testShims,
+    useGlobalThisShim,
   };
 
   function add(option: boolean | "dev" | undefined, getShim: () => Shim) {
diff --git a/lib/utils.test.ts b/lib/utils.test.ts
index 7a0a0e9..dbac615 100644
--- a/lib/utils.test.ts
+++ b/lib/utils.test.ts
@@ -38,5 +38,6 @@ Deno.test("getDntVersion", () => {
     getDntVersion("https://deno.land/x/dnt@20.21.22/mod.ts"),
     "20.21.22",
   );
+  assertEquals(getDntVersion("https://jsr.io/@deno/dnt/1.2.3/mod.ts"), "1.2.3");
   assertEquals(getDntVersion("file:///test/mod.ts"), "dev");
 });
diff --git a/lib/utils.ts b/lib/utils.ts
index 356450e..17ceaa0 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -106,5 +106,6 @@ export function valueToUrl(value: string) {
 }
 
 export function getDntVersion(url = import.meta.url) {
-  return /\/dnt@([0-9]+\.[0-9]+\.[0-9]+)\//.exec(url)?.[1] ?? "dev";
+  return /\/(?:dnt@|@deno\/dnt\/)([0-9]+\.[0-9]+\.[0-9]+)\//.exec(url)?.[1] ??
+    "dev";
 }
diff --git a/mod.ts b/mod.ts
index 29fc8e0..5929f23 100644
--- a/mod.ts
+++ b/mod.ts
@@ -539,6 +539,8 @@ export async function build(options: BuildOptions): Promise<void> {
       includeDeclarations: options.declaration === "separate",
       includeTsLib: options.compilerOptions?.importHelpers,
       shims: options.shims,
+      testColor: options.shims.testColor ?? true,
+      testRunner: options.shims.testRunner ?? true,
     });
     writeFile(
       path.join(options.outDir, "package.json"),
@@ -574,7 +576,9 @@ export async function build(options: BuildOptions): Promise<void> {
   }
 
   async function transformEntryPoints(): Promise<TransformOutput> {
-    const { shims, testShims } = shimOptionsToTransformShims(options.shims);
+    const { shims, testShims, useGlobalThisShim } = shimOptionsToTransformShims(
+      options.shims,
+    );
     return transform({
       entryPoints: entryPoints.map((e) => e.path),
       testEntryPoints: options.test
@@ -591,6 +595,7 @@ export async function build(options: BuildOptions): Promise<void> {
       importMap: options.importMap,
       configFile: options.configFile,
       cwd: path.toFileUrl(cwd).toString(),
+      useGlobalThisShim,
     });
   }
 
diff --git a/transform.ts b/transform.ts
index 2e2d726..dcf60e8 100644
--- a/transform.ts
+++ b/transform.ts
@@ -76,6 +76,7 @@ export interface TransformOptions {
   importMap?: string;
   configFile?: string;
   cwd: string;
+  useGlobalThisShim?: boolean;
 }
 
 /** Dependency in a package.json file. */