diff --git a/judge/migrations/0196_add_interactive_testlib.py b/judge/migrations/0196_add_interactive_testlib.py
new file mode 100644
index 00000000..532ca8ba
--- /dev/null
+++ b/judge/migrations/0196_add_interactive_testlib.py
@@ -0,0 +1,61 @@
+# Generated by Django 3.2.25 on 2024-11-20 22:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0195_signature_grader"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="problemdata",
+            name="checker",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("standard", "Standard"),
+                    ("floats", "Floats"),
+                    ("floatsabs", "Floats (absolute)"),
+                    ("floatsrel", "Floats (relative)"),
+                    ("rstripped", "Non-trailing spaces"),
+                    ("sorted", "Unordered"),
+                    ("identical", "Byte identical"),
+                    ("linecount", "Line-by-line"),
+                    ("custom", "Custom checker (PY)"),
+                    ("customcpp", "Custom checker (CPP)"),
+                    ("interact", "Interactive"),
+                    ("testlib", "Testlib"),
+                    ("interacttl", "Interactive (Testlib)"),
+                ],
+                max_length=10,
+                verbose_name="checker",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="problemtestcase",
+            name="checker",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("standard", "Standard"),
+                    ("floats", "Floats"),
+                    ("floatsabs", "Floats (absolute)"),
+                    ("floatsrel", "Floats (relative)"),
+                    ("rstripped", "Non-trailing spaces"),
+                    ("sorted", "Unordered"),
+                    ("identical", "Byte identical"),
+                    ("linecount", "Line-by-line"),
+                    ("custom", "Custom checker (PY)"),
+                    ("customcpp", "Custom checker (CPP)"),
+                    ("interact", "Interactive"),
+                    ("testlib", "Testlib"),
+                    ("interacttl", "Interactive (Testlib)"),
+                ],
+                max_length=10,
+                verbose_name="checker",
+            ),
+        ),
+    ]
diff --git a/judge/models/problem_data.py b/judge/models/problem_data.py
index a5b4808c..12a78b65 100644
--- a/judge/models/problem_data.py
+++ b/judge/models/problem_data.py
@@ -42,6 +42,7 @@ def problem_directory_file(data, filename):
     ("customcpp", _("Custom checker (CPP)")),
     ("interact", _("Interactive")),
     ("testlib", _("Testlib")),
+    ("interacttl", _("Interactive (Testlib)")),
 )
 
 
diff --git a/judge/utils/problem_data.py b/judge/utils/problem_data.py
index 807c22b2..c21ddbda 100644
--- a/judge/utils/problem_data.py
+++ b/judge/utils/problem_data.py
@@ -241,14 +241,14 @@ def make_checker(case):
         if self.data.output_prefix is not None:
             init["output_prefix_length"] = self.data.output_prefix
         if self.data.checker:
-            if self.data.checker == "interact":
+            if self.data.checker in ("interact", "interacttl"):
                 interactor_path = split_path_first(self.data.interactive_judge.name)
                 if len(interactor_path) != 2:
                     raise ProblemDataError(_("Invalid interactor judge"))
                 init["interactive"] = {
                     "files": interactor_path[1],
                     "feedback": True,
-                    "type": "lqdoj",
+                    "type": "lqdoj" if self.data.checker == "interact" else "testlib",
                 }
                 init["unbuffered"] = True
             else:
diff --git a/templates/problem/data.html b/templates/problem/data.html
index 2f95d029..5682a011 100644
--- a/templates/problem/data.html
+++ b/templates/problem/data.html
@@ -164,9 +164,9 @@
         $checker.change(function () {
           $tr_checker.toggle($checker.val() == 'custom').change();
           $tr_validator.toggle($checker.val() == 'customcpp' || $checker.val() == 'testlib').change();
-          $tr_interactive.toggle($checker.val() == 'interact').change();
+          $tr_interactive.toggle($checker.val() == 'interact' || $checker.val() == 'interacttl').change();
 
-          $sample.toggle(['custom', 'customcpp', 'interact'].includes($checker.val())).change();
+          $sample.toggle(['custom', 'customcpp', 'interact', 'interacttl'].includes($checker.val())).change();
         }).change();
 
         $ioi_signature.change(function() {