diff --git a/packages/dart/2.12.1/build.sh b/packages/dart/2.12.1/build.sh
new file mode 100755
index 0000000..e01d7ce
--- /dev/null
+++ b/packages/dart/2.12.1/build.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+curl -L "https://storage.googleapis.com/dart-archive/channels/stable/release/2.12.1/sdk/dartsdk-linux-x64-release.zip" -o dart.zip
+
+unzip dart.zip
+rm dart.zip
+
+cp -r dart-sdk/* .
+rm -rf dart-sdk
+
+chmod -R +rx bin
\ No newline at end of file
diff --git a/packages/dart/2.12.1/environment b/packages/dart/2.12.1/environment
new file mode 100644
index 0000000..780b668
--- /dev/null
+++ b/packages/dart/2.12.1/environment
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH
diff --git a/packages/dart/2.12.1/metadata.json b/packages/dart/2.12.1/metadata.json
new file mode 100644
index 0000000..388121e
--- /dev/null
+++ b/packages/dart/2.12.1/metadata.json
@@ -0,0 +1,6 @@
+{
+  "language": "dart",
+  "version": "2.12.1",
+  "aliases": [],
+  "author": "Thomas Hobson <git@hexf.me>"
+}
diff --git a/packages/dart/2.12.1/run b/packages/dart/2.12.1/run
new file mode 100644
index 0000000..dfdbd40
--- /dev/null
+++ b/packages/dart/2.12.1/run
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+dart run $*
diff --git a/packages/dart/2.12.1/test.dart b/packages/dart/2.12.1/test.dart
new file mode 100644
index 0000000..27e87b2
--- /dev/null
+++ b/packages/dart/2.12.1/test.dart
@@ -0,0 +1,3 @@
+void main() {
+  print('OK');
+}
\ No newline at end of file