diff --git a/Database/Fixtures/dev/0002-Problems.sql b/Database/Fixtures/dev/0002-Problems.sql
index 7be6c4f..553f052 100644
--- a/Database/Fixtures/dev/0002-Problems.sql
+++ b/Database/Fixtures/dev/0002-Problems.sql
@@ -35,4 +35,53 @@ SELECT p.id, t.id
 FROM problems p
 JOIN tags t ON t.value IN ('Math', 'String')
 WHERE p.slug = 'hello-or-goodbye'
+ON CONFLICT DO NOTHING;
+
+INSERT INTO problems (
+    id, title, slug, question, difficulty, status_id, version, created_on, created_by_id
+)
+SELECT
+    gen_random_uuid(),
+    'Fizz or Buzz',
+    'fizz-or-buzz',
+    'Given an integer `n`, return `"FizzBuzz"` if `n` is divisible by **both** 3 and 5, `"Fizz"` if divisible by only 3, `"Buzz"` if divisible by only 5, or `n` as a string if it is not divisible by 3 or 5.
+
+**Example 1:**
+
+> **Input**: `n = 3`
+> **Output**: `"Fizz"`
+
+**Example 2:**
+
+> **Input**: `n = 5`
+> **Output**: `"Buzz"`
+
+**Example 3:**
+
+> **Input**: `n = 15`
+> **Output**: `"FizzBuzz"`
+
+**Example 4:**
+
+> **Input**: `n = 7`
+> **Output**: `"7"`
+
+**Constraints:**
+
+- `-10^9 <= n <= 10^9`
+',
+    1000,
+    ps.id,
+    1,
+    NOW(),
+    NULL
+FROM problem_statuses ps
+WHERE ps.name = 'Published'
+ON CONFLICT (slug) DO NOTHING;
+
+INSERT INTO problem_tags (problem_id, tag_id)
+SELECT p.id, t.id
+FROM problems p
+JOIN tags t ON t.value IN ('Math', 'String')
+WHERE p.slug = 'fizz-or-buzz'
 ON CONFLICT DO NOTHING;
\ No newline at end of file
diff --git a/Database/Fixtures/dev/0003-TestSuites.sql b/Database/Fixtures/dev/0003-TestSuites.sql
index 0e56f0a..3be942c 100644
--- a/Database/Fixtures/dev/0003-TestSuites.sql
+++ b/Database/Fixtures/dev/0003-TestSuites.sql
@@ -92,4 +92,183 @@ BEGIN
 
     END IF;
 END;
+$$;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM test_suites WHERE name = 'Fizz or Buzz hidden tests'
+    ) THEN
+
+        INSERT INTO test_cases_inputs_value_types (name)
+        VALUES ('integer')
+        ON CONFLICT (name) DO NOTHING;
+
+        WITH value_type AS (
+            SELECT id FROM test_cases_inputs_value_types WHERE name = 'integer'
+        ),
+        output_value_type AS (
+            SELECT id FROM test_cases_output_value_types WHERE name = 'String'
+        ),
+        suite_type_hidden AS (
+            SELECT id FROM test_suite_types WHERE name = 'Hidden'
+        ),
+        hidden_suite AS (
+            INSERT INTO test_suites (name, description, test_suite_type_id)
+            SELECT 'Fizz or Buzz hidden tests', 'Hidden edge cases for Fizz or Buzz', suite_type_hidden.id
+            FROM suite_type_hidden
+            RETURNING id
+        ),
+        tc_3 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Divisible By Three', 'Input: n = 3' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_5 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Divisible By Five', 'Input: n = 5' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_15 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Divisible By Both', 'Input: n = 15' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_7 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Not Divisible', 'Input: n = 7' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_0 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Zero', 'Input: n = 0' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_neg3 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Negative Divisible By Three', 'Input: n = -3' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_neg5 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Negative Divisible By Five', 'Input: n = -5' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_30 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Large Fizzbuzz', 'Input: n = 30' FROM hidden_suite
+            RETURNING id
+        ),
+        tc_2 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT hidden_suite.id, 'Small Not Divisible', 'Input: n = 2' FROM hidden_suite
+            RETURNING id
+        ),
+        inputs AS (
+            INSERT INTO test_cases_inputs (test_case_id, value, test_cases_inputs_value_type_id)
+            SELECT tc_3.id, '3', value_type.id FROM tc_3, value_type
+            UNION ALL
+            SELECT tc_5.id, '5', value_type.id FROM tc_5, value_type
+            UNION ALL
+            SELECT tc_15.id, '15', value_type.id FROM tc_15, value_type
+            UNION ALL
+            SELECT tc_7.id, '7', value_type.id FROM tc_7, value_type
+            UNION ALL
+            SELECT tc_0.id, '0', value_type.id FROM tc_0, value_type
+            UNION ALL
+            SELECT tc_neg3.id, '-3', value_type.id FROM tc_neg3, value_type
+            UNION ALL
+            SELECT tc_neg5.id, '-5', value_type.id FROM tc_neg5, value_type
+            UNION ALL
+            SELECT tc_30.id, '30', value_type.id FROM tc_30, value_type
+            UNION ALL
+            SELECT tc_2.id, '2', value_type.id FROM tc_2, value_type
+            RETURNING test_case_id
+        )
+        INSERT INTO test_cases_expected_outputs (test_case_id, value, output_value_type_id)
+        SELECT tc_3.id, 'Fizz', output_value_type.id FROM tc_3, output_value_type
+        UNION ALL
+        SELECT tc_5.id, 'Buzz', output_value_type.id FROM tc_5, output_value_type
+        UNION ALL
+        SELECT tc_15.id, 'FizzBuzz', output_value_type.id FROM tc_15, output_value_type
+        UNION ALL
+        SELECT tc_7.id, '7', output_value_type.id FROM tc_7, output_value_type
+        UNION ALL
+        SELECT tc_0.id, 'FizzBuzz', output_value_type.id FROM tc_0, output_value_type
+        UNION ALL
+        SELECT tc_neg3.id, 'Fizz', output_value_type.id FROM tc_neg3, output_value_type
+        UNION ALL
+        SELECT tc_neg5.id, 'Buzz', output_value_type.id FROM tc_neg5, output_value_type
+        UNION ALL
+        SELECT tc_30.id, 'FizzBuzz', output_value_type.id FROM tc_30, output_value_type
+        UNION ALL
+        SELECT tc_2.id, '2', output_value_type.id FROM tc_2, output_value_type;
+
+    END IF;
+END;
+$$;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM test_suites WHERE name = 'Fizz or Buzz public tests'
+    ) THEN
+
+        WITH value_type AS (
+            SELECT id FROM test_cases_inputs_value_types WHERE name = 'integer'
+        ),
+        output_value_type AS (
+            SELECT id FROM test_cases_output_value_types WHERE name = 'String'
+        ),
+        suite_type_public AS (
+            SELECT id FROM test_suite_types WHERE name = 'Public'
+        ),
+        public_suite AS (
+            INSERT INTO test_suites (name, description, test_suite_type_id)
+            SELECT 'Fizz or Buzz public tests', 'Public example test cases for Fizz or Buzz', suite_type_public.id
+            FROM suite_type_public
+            RETURNING id
+        ),
+        tc_3 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT public_suite.id, 'Divisible By Three', 'Input: n = 3' FROM public_suite
+            RETURNING id
+        ),
+        tc_5 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT public_suite.id, 'Divisible By Five', 'Input: n = 5' FROM public_suite
+            RETURNING id
+        ),
+        tc_15 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT public_suite.id, 'Divisible By Both', 'Input: n = 15' FROM public_suite
+            RETURNING id
+        ),
+        tc_7 AS (
+            INSERT INTO test_cases (test_suite_id, name, description)
+            SELECT public_suite.id, 'Not Divisible', 'Input: n = 7' FROM public_suite
+            RETURNING id
+        ),
+        inputs AS (
+            INSERT INTO test_cases_inputs (test_case_id, value, test_cases_inputs_value_type_id)
+            SELECT tc_3.id, '3', value_type.id FROM tc_3, value_type
+            UNION ALL
+            SELECT tc_5.id, '5', value_type.id FROM tc_5, value_type
+            UNION ALL
+            SELECT tc_15.id, '15', value_type.id FROM tc_15, value_type
+            UNION ALL
+            SELECT tc_7.id, '7', value_type.id FROM tc_7, value_type
+            RETURNING test_case_id
+        )
+        INSERT INTO test_cases_expected_outputs (test_case_id, value, output_value_type_id)
+        SELECT tc_3.id, 'Fizz', output_value_type.id FROM tc_3, output_value_type
+        UNION ALL
+        SELECT tc_5.id, 'Buzz', output_value_type.id FROM tc_5, output_value_type
+        UNION ALL
+        SELECT tc_15.id, 'FizzBuzz', output_value_type.id FROM tc_15, output_value_type
+        UNION ALL
+        SELECT tc_7.id, '7', output_value_type.id FROM tc_7, output_value_type;
+
+    END IF;
+END;
 $$;
\ No newline at end of file
diff --git a/Database/Fixtures/dev/0004-ProblemSetups.sql b/Database/Fixtures/dev/0004-ProblemSetups.sql
index 1be74a9..37066c1 100644
--- a/Database/Fixtures/dev/0004-ProblemSetups.sql
+++ b/Database/Fixtures/dev/0004-ProblemSetups.sql
@@ -71,4 +71,94 @@ FROM problem_setups ps
          JOIN programming_languages pl ON pl.id = plv.programming_language_id
          JOIN test_suites ts ON ts.name = 'Hello or Goodbye hidden tests'
 WHERE p.slug = 'hello-or-goodbye'
+  AND pl.name = 'JavaScript'
+  AND plv.version = 'Node.js 22.08.0'
+ON CONFLICT (problem_setup_id, test_suite_id) DO NOTHING;
+
+INSERT INTO problem_setups (
+    problem_id, programming_language_version_id, harness_template_id, version, initial_code, function_name, created_on, created_by_id
+)
+SELECT
+    p.id,
+    plv.id,
+    1,
+    1,
+    'function solution(n) {
+  // Your code here
+}
+',
+    'solution',
+    NOW(),
+    NULL
+FROM problems p
+         JOIN programming_language_versions plv
+              ON plv.programming_language_id = (SELECT id FROM programming_languages WHERE name = 'JavaScript')
+                  AND plv.version = 'Node.js 22.08.0'
+WHERE p.slug = 'fizz-or-buzz'
+    ON CONFLICT (problem_id, programming_language_version_id) DO NOTHING;
+
+INSERT INTO problem_setups (
+    problem_id, programming_language_version_id, harness_template_id, version, initial_code, function_name, created_on, created_by_id
+)
+SELECT
+    p.id,
+    plv.id,
+    1,
+    1,
+    'function solution(n: number): string {
+  // Your code here
+}
+',
+    'solution',
+    NOW(),
+    NULL
+FROM problems p
+         JOIN programming_language_versions plv
+              ON plv.programming_language_id = (SELECT id FROM programming_languages WHERE name = 'TypeScript')
+                  AND plv.version = '5.6.2'
+WHERE p.slug = 'fizz-or-buzz'
+    ON CONFLICT (problem_id, programming_language_version_id) DO NOTHING;
+
+INSERT INTO problem_setups (
+    problem_id, programming_language_version_id, harness_template_id, version, initial_code, function_name, created_on, created_by_id
+)
+SELECT
+    p.id,
+    plv.id,
+    2,
+    1,
+    'def solution(n: int) -> str:
+    # Your code here
+',
+    'solution',
+    NOW(),
+    NULL
+FROM problems p
+         JOIN programming_language_versions plv
+              ON plv.programming_language_id = (SELECT id FROM programming_languages WHERE name = 'Python')
+                  AND plv.version = '3.14.0'
+WHERE p.slug = 'fizz-or-buzz'
+    ON CONFLICT (problem_id, programming_language_version_id) DO NOTHING;
+
+INSERT INTO problem_setup_test_suites (problem_setup_id, test_suite_id)
+SELECT ps.id, ts.id
+FROM problem_setups ps
+         JOIN problems p ON p.id = ps.problem_id
+         JOIN programming_language_versions plv ON plv.id = ps.programming_language_version_id
+         JOIN programming_languages pl ON pl.id = plv.programming_language_id
+         JOIN test_suites ts ON ts.name = 'Fizz or Buzz hidden tests'
+WHERE p.slug = 'fizz-or-buzz'
+  AND pl.name = 'JavaScript'
+  AND plv.version = 'Node.js 22.08.0'
+ON CONFLICT (problem_setup_id, test_suite_id) DO NOTHING;
+
+INSERT INTO problem_setup_test_suites (problem_setup_id, test_suite_id)
+SELECT ps.id, ts.id
+FROM problem_setups ps
+         JOIN problems p ON p.id = ps.problem_id
+         JOIN programming_language_versions plv ON plv.id = ps.programming_language_version_id
+         JOIN programming_languages pl ON pl.id = plv.programming_language_id
+         JOIN test_suites ts ON ts.name = 'Fizz or Buzz public tests'
+WHERE p.slug = 'fizz-or-buzz'
+  AND pl.name IN ('JavaScript', 'TypeScript', 'Python')
 ON CONFLICT (problem_setup_id, test_suite_id) DO NOTHING;
\ No newline at end of file