diff --git a/scripts/update_benchmarks.ts b/scripts/update_benchmarks.ts
index 62fcd09e..db484a37 100755
--- a/scripts/update_benchmarks.ts
+++ b/scripts/update_benchmarks.ts
@@ -46,8 +46,8 @@ const outputFile = async (name: string, content: any) => {
     .map((benchmark) => {
       benchmark.gpu = benchmark.gpu
         .toLowerCase()
-        .replace(/\s*\([^\)]+(\))/g, '')
-        .replace(/([0-9]+)\/[^ ]+/, '$1')
+        .replace(/\s*\([^)]+(\))/g, '')
+        .replace(/(\d+)\/[^ ]+/, '$1')
         .replace(
           /x\.org |inc\. |open source technology center |imagination technologies |™ |nvidia corporation |apple inc\. |advanced micro devices, inc\. | series$| edition$| graphics$/g,
           ''
@@ -99,7 +99,7 @@ const outputFile = async (name: string, content: any) => {
             fps:
               fpses[index] === ''
                 ? undefined
-                : Math.round(Number(fpses[index].replace(/[^0-9.]+/g, ''))),
+                : Math.round(Number(fpses[index].replace(/[^\d.]+/g, ''))),
             gpu: gpuNameLookup[gpuIndex],
             mobile: formFactorLookup[formFactor[index]].includes('mobile'),
             resolution: screenSizeLookup[screenSizes[index]],
diff --git a/src/index.ts b/src/index.ts
index 1c7cd8f0..a370a959 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -126,7 +126,7 @@ export const getGPUTier = async ({
       ? (['adreno', 'apple', 'mali-t', 'mali', 'nvidia', 'powervr'] as const)
       : (['intel', 'amd', 'radeon', 'nvidia', 'geforce'] as const);
     for (const type of types) {
-      if (renderer.indexOf(type) > -1) {
+      if (renderer.includes(type)) {
         return type;
       }
     }
@@ -168,7 +168,7 @@ export const getGPUTier = async ({
 
     // If nothing matched, try comparing model names:
     if (!matched.length) {
-      matched = benchmarks.filter(([model]) => model.indexOf(renderer) > -1);
+      matched = benchmarks.filter(([model]) => model.includes(renderer));
 
       debug?.(
         `found ${matched.length} matching entries comparing model names`,
@@ -229,7 +229,7 @@ export const getGPUTier = async ({
     }
 
     if (!closest) {
-      return undefined;
+      return;
     }
 
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
@@ -287,10 +287,10 @@ export const getGPUTier = async ({
   );
 
   if (!results.length) {
-    const blocklistedModel: string | undefined = BLOCKLISTED_GPUS.filter(
+    const blocklistedModel: string | undefined = BLOCKLISTED_GPUS.find(
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      (blocklistedModel) => renderer!.indexOf(blocklistedModel) > -1
-    )[0];
+      (blocklistedModel) => renderer!.includes(blocklistedModel)
+    );
     return blocklistedModel
       ? toResult(0, 'BLOCKLISTED', blocklistedModel)
       : toResult(1, 'FALLBACK', `${renderer} (${rawRenderer})`);
diff --git a/src/internal/cleanRenderer.ts b/src/internal/cleanRenderer.ts
index 7ea1fe14..f6849d8c 100644
--- a/src/internal/cleanRenderer.ts
+++ b/src/internal/cleanRenderer.ts
@@ -7,11 +7,11 @@ export const cleanRenderer = (renderer: string) => {
     .toLowerCase()
     // Strip off ANGLE() - for example:
     // 'ANGLE (NVIDIA TITAN Xp)' becomes 'NVIDIA TITAN Xp'':
-    .replace(/angle \((.+)\)*$/, '$1')
+    .replace(/^angle ?\((.+)\)*$/, '$1')
     // Strip off [number]gb & strip off direct3d and after - for example:
     // 'Radeon (TM) RX 470 Series Direct3D11 vs_5_0 ps_5_0' becomes
     // 'Radeon (TM) RX 470 Series'
-    .replace(/\s+([0-9]+gb|direct3d.+$)|\(r\)| \([^)]+\)$/g, '');
+    .replace(/\s(\d{1,2}gb|direct3d.+$)|\(r\)| \([^)]+\)$/g, '');
 
   debug?.('cleanRenderer - renderer cleaned to', { renderer });
 
diff --git a/src/internal/deobfuscateAppleGPU.ts b/src/internal/deobfuscateAppleGPU.ts
index e2540e06..f5e5069f 100644
--- a/src/internal/deobfuscateAppleGPU.ts
+++ b/src/internal/deobfuscateAppleGPU.ts
@@ -82,7 +82,7 @@ export const deobfuscateAppleGPU = (
       gl.vertexAttribPointer(aPosition, 3, GL_FLOAT, false, 0, 0);
       gl.enableVertexAttribArray(aPosition);
 
-      gl.clearColor(1.0, 1.0, 1.0, 1.0);
+      gl.clearColor(1, 1, 1, 1);
       gl.clear(GL_COLOR_BUFFER_BIT);
       gl.viewport(0, 0, 1, 1);
       gl.drawArrays(GL_TRIANGLES, 0, 3);
diff --git a/src/internal/deobfuscateRenderer.ts b/src/internal/deobfuscateRenderer.ts
index 36cac742..1f1e6daa 100644
--- a/src/internal/deobfuscateRenderer.ts
+++ b/src/internal/deobfuscateRenderer.ts
@@ -6,9 +6,5 @@ export const deobfuscateRenderer = (
   renderer: string,
   isMobileTier: boolean
 ) => {
-  if (renderer === 'apple gpu') {
-    return deobfuscateAppleGPU(gl, renderer, isMobileTier);
-  } else {
-    return [renderer];
-  }
+  return renderer === 'apple gpu' ? deobfuscateAppleGPU(gl, renderer, isMobileTier) : [renderer];
 };
diff --git a/src/internal/getGPUVersion.ts b/src/internal/getGPUVersion.ts
index 855d02a3..6e16db11 100644
--- a/src/internal/getGPUVersion.ts
+++ b/src/internal/getGPUVersion.ts
@@ -3,9 +3,9 @@ export const getGPUVersion = (model: string) => {
 
   const matches =
     // First set of digits
-    model.match(/[\d]+/) ||
+    model.match(/\d+/) ||
     // If the renderer did not contain any numbers, match letters
-    model.match(/(\W|^)([a-zA-Z]{1,3})(\W|$)/g);
+    model.match(/(\W|^)([A-Za-z]{1,3})(\W|$)/g);
 
   // Remove any non-word characters and also remove 'amd' which could be matched
   // in the clause above
diff --git a/test/index.test.ts b/test/index.test.ts
index 2f11a005..6aab68a5 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -80,7 +80,7 @@ test(`Bottom tier desktop: ${bottomTierDesktop}`, async () => {
 });
 
 // expect BENCHMARK results:
-[
+for (const { input, expected } of [
   {
     expected: {
       gpu: 'intel uhd graphics 620',
@@ -233,7 +233,7 @@ test(`Bottom tier desktop: ${bottomTierDesktop}`, async () => {
       renderer: 'Mali-G51',
     },
   },
-].forEach(({ input, expected }) => {
+]) {
   test(`${input.renderer} should find ${expected.gpu}`, async () => {
     expectGPUResults(
       {
@@ -243,7 +243,7 @@ test(`Bottom tier desktop: ${bottomTierDesktop}`, async () => {
       await getTier(input)
     );
   });
-});
+}
 
 // expect FALLBACK results:
 [