diff --git a/crates/oxc_transformer/src/options/babel/env/targets.rs b/crates/oxc_transformer/src/options/babel/env/targets.rs
index 5432d93bdf7445..0c53fa56746eb1 100644
--- a/crates/oxc_transformer/src/options/babel/env/targets.rs
+++ b/crates/oxc_transformer/src/options/babel/env/targets.rs
@@ -60,12 +60,9 @@ impl TryFrom<BabelTargets> for EngineTargets {
                     if key == "safari" && v == "tp" {
                         continue;
                     }
-                    // TODO: Some keys are not implemented yet.
-                    // <https://babel.dev/docs/options#targets>:
-                    // Supported environments: android, chrome, deno, edge, electron, firefox, ie, ios, node, opera, rhino, safari, samsung.
-                    let Ok(target) = targets.get_version_mut(&key) else {
-                        continue;
-                    };
+                    let target = targets.get_version_mut(&key).map_err(|()| {
+                        oxc_diagnostics::Error::msg(format!("target {key} is not implemented yet."))
+                    })?;
                     match Version::parse(&v) {
                         Ok(version) => {
                             target.replace(version);
diff --git a/crates/oxc_transformer/src/options/engine_targets.rs b/crates/oxc_transformer/src/options/engine_targets.rs
index fe1ac2ac3ebd8f..f089e3735f8b29 100644
--- a/crates/oxc_transformer/src/options/engine_targets.rs
+++ b/crates/oxc_transformer/src/options/engine_targets.rs
@@ -6,20 +6,26 @@ use oxc_diagnostics::Error;
 use super::{babel::BabelTargets, BrowserslistQuery};
 
 /// A map of engine names to minimum supported versions.
+///
+/// <https://github.com/babel/babel/blob/main/packages/babel-helper-compilation-targets/src/options.ts>
 #[derive(Debug, Default, Clone, Eq, PartialEq, Deserialize)]
 #[serde(try_from = "BabelTargets")]
 pub struct EngineTargets {
+    android: Option<Version>, // not in esbuild
     chrome: Option<Version>,
     deno: Option<Version>,
     edge: Option<Version>,
+    electron: Option<Version>, // not in esbuild
     firefox: Option<Version>,
     hermes: Option<Version>,
     ie: Option<Version>,
     ios: Option<Version>,
     node: Option<Version>,
     opera: Option<Version>,
+    opera_mobile: Option<Version>, // not in esbuild
     rhino: Option<Version>,
     safari: Option<Version>,
+    samsung: Option<Version>, // not in esbuild
 }
 
 impl EngineTargets {
@@ -36,6 +42,9 @@ impl EngineTargets {
     }
 
     pub fn should_enable(&self, targets: &EngineTargets) -> bool {
+        if let (Some(v1), Some(v2)) = (&self.android, &targets.android) {
+            return v1 < v2;
+        }
         if let (Some(v1), Some(v2)) = (&self.chrome, &targets.chrome) {
             return v1 < v2;
         }
@@ -45,6 +54,9 @@ impl EngineTargets {
         if let (Some(v1), Some(v2)) = (&self.edge, &targets.edge) {
             return v1 < v2;
         }
+        if let (Some(v1), Some(v2)) = (&self.electron, &targets.electron) {
+            return v1 < v2;
+        }
         if let (Some(v1), Some(v2)) = (&self.firefox, &targets.firefox) {
             return v1 < v2;
         }
@@ -63,12 +75,18 @@ impl EngineTargets {
         if let (Some(v1), Some(v2)) = (&self.opera, &targets.opera) {
             return v1 < v2;
         }
+        if let (Some(v1), Some(v2)) = (&self.opera_mobile, &targets.opera_mobile) {
+            return v1 < v2;
+        }
         if let (Some(v1), Some(v2)) = (&self.rhino, &targets.rhino) {
             return v1 < v2;
         }
         if let (Some(v1), Some(v2)) = (&self.safari, &targets.safari) {
             return v1 < v2;
         }
+        if let (Some(v1), Some(v2)) = (&self.samsung, &targets.samsung) {
+            return v1 < v2;
+        }
         false
     }
 
@@ -91,17 +109,21 @@ impl EngineTargets {
 
     pub(crate) fn get_version_mut(&mut self, key: &str) -> Result<&mut Option<Version>, ()> {
         match key {
+            "android" => Ok(&mut self.android),
             "chrome" | "and_chr" => Ok(&mut self.chrome),
             "deno" => Ok(&mut self.deno),
             "edge" => Ok(&mut self.edge),
+            "electron" => Ok(&mut self.electron),
             "firefox" | "and_ff" => Ok(&mut self.firefox),
             "hermes" => Ok(&mut self.hermes),
             "ie" | "ie_mob" => Ok(&mut self.ie),
             "ios" | "ios_saf" => Ok(&mut self.ios),
             "node" => Ok(&mut self.node),
             "opera" | "op_mob" => Ok(&mut self.opera),
+            "opera_mobile" => Ok(&mut self.opera_mobile),
             "rhino" => Ok(&mut self.rhino),
             "safari" => Ok(&mut self.safari),
+            "samsung" => Ok(&mut self.samsung),
             _ => Err(()),
         }
     }
diff --git a/tasks/transform_conformance/snapshots/babel_exec.snap.md b/tasks/transform_conformance/snapshots/babel_exec.snap.md
index 5f39b203e7c90e..ed82fe2f2758ac 100644
--- a/tasks/transform_conformance/snapshots/babel_exec.snap.md
+++ b/tasks/transform_conformance/snapshots/babel_exec.snap.md
@@ -257,7 +257,7 @@ AssertionError: expected [Function Object] to be [Function Bar] // Object.is equ
  ❯ ../../node_modules/.pnpm/@babel+runtime@7.26.0/node_modules/@babel/runtime/helpers/asyncToGenerator.js:14:12
  ❯ Bar.test fixtures/babel-preset-env-test-fixtures-plugins-integration-regression-7064-exec.test.js:14:6
  ❯ fixtures/babel-preset-env-test-fixtures-plugins-integration-regression-7064-exec.test.js:20:12
- ❯ ../../node_modules/.pnpm/@vitest+runner@2.1.2/node_modules/@vitest/runner/dist/index.js:146:14
+ ❯ ../../node_modules/.pnpm/@vitest+runner@2.1.4/node_modules/@vitest/runner/dist/index.js:146:14
 
 This error originated in "fixtures/babel-preset-env-test-fixtures-plugins-integration-regression-7064-exec.test.js" test file. It doesn't mean the error was thrown inside the file itself, but while it was running.
 The latest test that might've caused the error is "fixtures/babel-preset-env-test-fixtures-plugins-integration-regression-7064-exec.test.js". It might mean one of the following: