diff --git a/packages/wyatt_authentication_bloc/analysis_options.yaml b/packages/wyatt_authentication_bloc/analysis_options.yaml
index 82177cd5..b0c6aced 100644
--- a/packages/wyatt_authentication_bloc/analysis_options.yaml
+++ b/packages/wyatt_authentication_bloc/analysis_options.yaml
@@ -1 +1,4 @@
-include: package:wyatt_analysis/analysis_options.flutter.yaml
\ No newline at end of file
+include: package:wyatt_analysis/analysis_options.flutter.yaml
+
+analyzer:
+  exclude: "!example/**"
\ No newline at end of file
diff --git a/packages/wyatt_authentication_bloc/example/lib/presentation/features/sign_in/widgets/sign_in_form.dart b/packages/wyatt_authentication_bloc/example/lib/presentation/features/sign_in/widgets/sign_in_form.dart
index 89cd4dc6..dd272666 100644
--- a/packages/wyatt_authentication_bloc/example/lib/presentation/features/sign_in/widgets/sign_in_form.dart
+++ b/packages/wyatt_authentication_bloc/example/lib/presentation/features/sign_in/widgets/sign_in_form.dart
@@ -3,7 +3,7 @@
 // -----
 // File: sign_in_form.dart
 // Created Date: 19/08/2022 15:24:37
-// Last Modified: Fri Nov 11 2022
+// Last Modified: Tue Nov 15 2022
 // -----
 // Copyright (c) 2022
 
@@ -59,8 +59,24 @@ class _SignInButton extends StatelessWidget {
         return status.isSubmissionInProgress
             ? const CircularProgressIndicator()
             : ElevatedButton(
-                onPressed: status.isValidated ? () => cubit.submit() : null,
-                child: const Text('Sign in'),
+                onPressed: status.isValidated ? () => cubit.signInWithEmailAndPassword() : null,
+                child: const Text('Sign in with credentials'),
+              );
+      }),
+    );
+  }
+}
+
+class _SignInAnonymouslyButton extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return SubmitBuilder<SignInCubit<int>>(
+      builder: ((context, cubit, status) {
+        return status.isSubmissionInProgress
+            ? const CircularProgressIndicator()
+            : ElevatedButton(
+                onPressed: () => cubit.signInAnonymously(),
+                child: const Text('Sign in anonymously'),
               );
       }),
     );
@@ -80,12 +96,15 @@ class SignInForm extends StatelessWidget {
         ),
       child: SingleChildScrollView(
         child: Column(
+          crossAxisAlignment: CrossAxisAlignment.center,
           children: [
             _EmailInput(),
             const SizedBox(height: 8),
             _PasswordInput(),
             const SizedBox(height: 16),
             _SignInButton(),
+            const SizedBox(height: 16),
+            _SignInAnonymouslyButton(),
           ],
         ),
       ),
diff --git a/packages/wyatt_authentication_bloc/lib/src/features/sign_in/cubit/sign_in_cubit.dart b/packages/wyatt_authentication_bloc/lib/src/features/sign_in/cubit/sign_in_cubit.dart
index b8cc1358..911e899a 100644
--- a/packages/wyatt_authentication_bloc/lib/src/features/sign_in/cubit/sign_in_cubit.dart
+++ b/packages/wyatt_authentication_bloc/lib/src/features/sign_in/cubit/sign_in_cubit.dart
@@ -16,9 +16,7 @@
 
 import 'dart:async';
 
-import 'package:wyatt_authentication_bloc/src/core/constants/form_field.dart';
-import 'package:wyatt_authentication_bloc/src/core/constants/form_name.dart';
-import 'package:wyatt_authentication_bloc/src/domain/repositories/authentication_repository.dart';
+import 'package:wyatt_authentication_bloc/wyatt_authentication_bloc.dart';
 import 'package:wyatt_form_bloc/wyatt_form_bloc.dart';
 import 'package:wyatt_type_utils/wyatt_type_utils.dart';
 
@@ -82,6 +80,41 @@ class SignInCubit<Extra> extends FormDataCubit<SignInState> {
 
   @override
   FutureOr<void> submit() async {
+    throw UnimplementedError('`submit()` is not implemented for SignInCubit, '
+        'please use `signInWithEmailAndPassword()` or `signInAnonymously()`');
+  }
+
+  @override
+  FutureOr<void> update(
+    WyattForm form, {
+    SetOperation operation = SetOperation.replace,
+  }) {
+    final WyattForm current = _formRepository.accessForm(formName).clone();
+    final WyattForm newForm = operation.operation.call(current, form);
+    _formRepository.updateForm(newForm);
+
+    emit(
+      state.copyWith(
+        form: newForm,
+        status: newForm.validate(),
+      ),
+    );
+  }
+
+  @override
+  FutureOr<void> validate() {
+    emit(
+      state.copyWith(
+        status: _formRepository.accessForm(formName).validate(),
+      ),
+    );
+  }
+
+  FutureOr<void> signInWithEmailAndPassword() async {
+    if (state.status.isSubmissionInProgress) {
+      return;
+    }
+    
     if (!state.status.isValidated) {
       return;
     }
@@ -117,28 +150,22 @@ class SignInCubit<Extra> extends FormDataCubit<SignInState> {
     );
   }
 
-  @override
-  FutureOr<void> update(
-    WyattForm form, {
-    SetOperation operation = SetOperation.replace,
-  }) {
-    final WyattForm current = _formRepository.accessForm(formName).clone();
-    final WyattForm newForm = operation.operation.call(current, form);
-    _formRepository.updateForm(newForm);
+  FutureOr<void> signInAnonymously() async {
+    if (state.status.isSubmissionInProgress) {
+      return;
+    }
+
+    emit(state.copyWith(status: FormStatus.submissionInProgress));
+
+    final uid = await _authenticationRepository.signInAnonymously();
 
     emit(
-      state.copyWith(
-        form: newForm,
-        status: newForm.validate(),
-      ),
-    );
-  }
-
-  @override
-  FutureOr<void> validate() {
-    emit(
-      state.copyWith(
-        status: _formRepository.accessForm(formName).validate(),
+      uid.fold(
+        (value) => state.copyWith(status: FormStatus.submissionSuccess),
+        (error) => state.copyWith(
+          errorMessage: error.message,
+          status: FormStatus.submissionFailure,
+        ),
       ),
     );
   }
diff --git a/packages/wyatt_authentication_bloc/test/sign_in/sign_in_cubit_test.dart b/packages/wyatt_authentication_bloc/test/sign_in/sign_in_cubit_test.dart
index 72b2834a..d45316ff 100644
--- a/packages/wyatt_authentication_bloc/test/sign_in/sign_in_cubit_test.dart
+++ b/packages/wyatt_authentication_bloc/test/sign_in/sign_in_cubit_test.dart
@@ -65,6 +65,10 @@ void main() {
         ),
       ).thenAnswer((_) async => Ok(account));
 
+      when(
+        () => authenticationRepository.signInAnonymously(),
+      ).thenAnswer((_) async => Ok(account));
+
       when(
         () => authenticationRepository.formRepository,
       ).thenAnswer((_) => formRepository);
@@ -258,13 +262,38 @@ void main() {
       );
     });
 
-    group('submit', () {
+    group('signInWithEmailAndPassword()', () {
       blocTest<SignInCubit<int>, SignInState>(
         'does nothing when status is not validated',
         build: () => SignInCubit(
           authenticationRepository: authenticationRepository,
         ),
-        act: (cubit) => cubit.submit(),
+        act: (cubit) => cubit.signInWithEmailAndPassword(),
+        expect: () => const <SignInState>[],
+      );
+
+      blocTest<SignInCubit<int>, SignInState>(
+        'does nothing when status is submitInProgress',
+        build: () => SignInCubit(
+          authenticationRepository: authenticationRepository,
+        ),
+        seed: () => SignInState(
+          form: WyattFormImpl(
+            [
+              FormInput(
+                AuthFormField.email,
+                const Email.dirty(validEmailString),
+              ),
+              FormInput(
+                AuthFormField.password,
+                const Password.dirty(validPasswordString),
+              )
+            ],
+            name: AuthFormName.signInForm,
+          ),
+          status: FormStatus.submissionInProgress,
+        ),
+        act: (cubit) => cubit.signInWithEmailAndPassword(),
         expect: () => const <SignInState>[],
       );
 
@@ -308,7 +337,7 @@ void main() {
           ),
           status: FormStatus.valid,
         ),
-        act: (cubit) => cubit.submit(),
+        act: (cubit) => cubit.signInWithEmailAndPassword(),
         verify: (_) {
           verify(
             () => authenticationRepository.signInWithEmailAndPassword(
@@ -360,7 +389,7 @@ void main() {
           ),
           status: FormStatus.valid,
         ),
-        act: (cubit) => cubit.submit(),
+        act: (cubit) => cubit.signInWithEmailAndPassword(),
         expect: () => <SignInState>[
           SignInState(
             form: WyattFormImpl(
@@ -444,7 +473,170 @@ void main() {
           ),
           status: FormStatus.valid,
         ),
-        act: (cubit) => cubit.submit(),
+        act: (cubit) => cubit.signInWithEmailAndPassword(),
+        expect: () => <SignInState>[
+          SignInState(
+            form: WyattFormImpl(
+              [
+                FormInput(
+                  AuthFormField.email,
+                  const Email.dirty(validEmailString),
+                ),
+                FormInput(
+                  AuthFormField.password,
+                  const Password.dirty(validPasswordString),
+                )
+              ],
+              name: AuthFormName.signInForm,
+            ),
+            status: FormStatus.submissionInProgress,
+          ),
+          SignInState(
+            form: WyattFormImpl(
+              [
+                FormInput(
+                  AuthFormField.email,
+                  const Email.dirty(validEmailString),
+                ),
+                FormInput(
+                  AuthFormField.password,
+                  const Password.dirty(validPasswordString),
+                )
+              ],
+              name: AuthFormName.signInForm,
+            ),
+            status: FormStatus.submissionFailure,
+          )
+        ],
+      );
+    });
+
+    group('signInAnonymously()', () {
+      blocTest<SignInCubit<int>, SignInState>(
+        'does nothing when status is submitInProgress',
+        build: () => SignInCubit(
+          authenticationRepository: authenticationRepository,
+        ),
+        seed: () => SignInState(
+          form: WyattFormImpl(
+            [
+              FormInput(
+                AuthFormField.email,
+                const Email.dirty(validEmailString),
+              ),
+              FormInput(
+                AuthFormField.password,
+                const Password.dirty(validPasswordString),
+              )
+            ],
+            name: AuthFormName.signInForm,
+          ),
+          status: FormStatus.submissionInProgress,
+        ),
+        act: (cubit) => cubit.signInAnonymously(),
+        expect: () => const <SignInState>[],
+      );
+
+      blocTest<SignInCubit<int>, SignInState>(
+        'calls signInAnonymously',
+        build: () => SignInCubit(
+          authenticationRepository: authenticationRepository,
+        ),
+        act: (cubit) => cubit.signInAnonymously(),
+        verify: (_) {
+          verify(
+            () => authenticationRepository.signInAnonymously(),
+          ).called(1);
+        },
+      );
+
+      blocTest<SignInCubit<int>, SignInState>(
+        'emits [submissionInProgress, submissionSuccess] '
+        'when signInAnonymously succeeds',
+        build: () => SignInCubit(
+          authenticationRepository: authenticationRepository,
+        ),
+        seed: () => SignInState(
+          form: WyattFormImpl(
+            [
+              FormInput(
+                AuthFormField.email,
+                const Email.dirty(validEmailString),
+              ),
+              FormInput(
+                AuthFormField.password,
+                const Password.dirty(validPasswordString),
+              )
+            ],
+            name: AuthFormName.signInForm,
+          ),
+          status: FormStatus.valid,
+        ),
+        act: (cubit) => cubit.signInAnonymously(),
+        expect: () => <SignInState>[
+          SignInState(
+            form: WyattFormImpl(
+              [
+                FormInput(
+                  AuthFormField.email,
+                  const Email.dirty(validEmailString),
+                ),
+                FormInput(
+                  AuthFormField.password,
+                  const Password.dirty(validPasswordString),
+                )
+              ],
+              name: AuthFormName.signInForm,
+            ),
+            status: FormStatus.submissionInProgress,
+          ),
+          SignInState(
+            form: WyattFormImpl(
+              [
+                FormInput(
+                  AuthFormField.email,
+                  const Email.dirty(validEmailString),
+                ),
+                FormInput(
+                  AuthFormField.password,
+                  const Password.dirty(validPasswordString),
+                )
+              ],
+              name: AuthFormName.signInForm,
+            ),
+            status: FormStatus.submissionSuccess,
+          )
+        ],
+      );
+
+      blocTest<SignInCubit<int>, SignInState>(
+        'emits [submissionInProgress, submissionFailure] '
+        'when signInAnonymously fails',
+        setUp: () {
+          when(
+            () => authenticationRepository.signInAnonymously(),
+          ).thenAnswer((_) async => Err(ServerException()));
+        },
+        build: () => SignInCubit(
+          authenticationRepository: authenticationRepository,
+        ),
+        seed: () => SignInState(
+          form: WyattFormImpl(
+            [
+              FormInput(
+                AuthFormField.email,
+                const Email.dirty(validEmailString),
+              ),
+              FormInput(
+                AuthFormField.password,
+                const Password.dirty(validPasswordString),
+              )
+            ],
+            name: AuthFormName.signInForm,
+          ),
+          status: FormStatus.valid,
+        ),
+        act: (cubit) => cubit.signInAnonymously(),
         expect: () => <SignInState>[
           SignInState(
             form: WyattFormImpl(