diff --git a/ar-SA/meta.yml b/ar-SA/meta.yml
index d57c4df35..e1785ea56 100644
--- a/ar-SA/meta.yml
+++ b/ar-SA/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: المقدمة
-  completion: engaged
 - title: تحريك الشبح
 - title: أشباح عشوائية
+  completion:
+  - engaged
 - title: 'التحدي: أكثر عشوائية'
   challenge: true
 - title: اصطياد الأشباح
 - title: 'تحدي: إضافة صوت'
   challenge: true
 - title: إضافة نتيجة
-  completion: internal
 - title: اضافة مؤقت
+  completion:
+  - internal
 - title: 'تحدي: كائنات اخرى'
   challenge: true
 - title: ماهو التالي؟
diff --git a/cs-CZ/meta.yml b/cs-CZ/meta.yml
index 20f570f77..a885bb38b 100644
--- a/cs-CZ/meta.yml
+++ b/cs-CZ/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Lovci duchů
-  completion: engaged
diff --git a/cy-GB/meta.yml b/cy-GB/meta.yml
index e7fb5cab9..5214bbdf6 100644
--- a/cy-GB/meta.yml
+++ b/cy-GB/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Cyflwyniad
-  completion: engaged
 - title: Animeiddio ysbryd
 - title: Ysbrydion ar hap
+  completion:
+  - engaged
 - title: 'Her: mwy o bethau ar hap'
   challenge: true
 - title: Côd i ddal ysbrydion
 - title: 'Her: ychwanegu sain'
   challenge: true
 - title: Ychwanegu sgôr
-  completion: internal
 - title: Ychwanegu Amserydd
+  completion:
+  - internal
 - title: 'Her: mwy o gorluniau'
   challenge: true
 - title: Profwch eich hun
diff --git a/da-DK/meta.yml b/da-DK/meta.yml
index 45c3e939d..92247b5a1 100644
--- a/da-DK/meta.yml
+++ b/da-DK/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Ghostbusters
-  completion: engaged
diff --git a/de-DE/meta.yml b/de-DE/meta.yml
index 0d3dcd011..db98ef2da 100644
--- a/de-DE/meta.yml
+++ b/de-DE/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Einleitung
-  completion: engaged
 - title: Animiere ein Gespenst
 - title: Zufällige Gespenster
+  completion:
+  - engaged
 - title: 'Herausforderung: Mehr Zufälligkeit'
   challenge: true
 - title: Code zum Fangen von Geistern
 - title: 'Herausforderung: Ein Geräusch hinzufügen'
   challenge: true
 - title: Eine Punktzahl hinzufügen
-  completion: internal
 - title: Eine Stoppuhr hinzufügen
+  completion:
+  - internal
 - title: 'Herausforderung: Mehr Figuren'
   challenge: true
 - title: Teste dich selbst
diff --git a/el-GR/meta.yml b/el-GR/meta.yml
index 9ad723a56..ccf65c393 100644
--- a/el-GR/meta.yml
+++ b/el-GR/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Εισαγωγή
-  completion: engaged
 - title: Σχεδίασε ένα φάντασμα
 - title: Τυχαία φαντάσματα
+  completion:
+  - engaged
 - title: 'Πρόκληση: περισσότερη τυχαιότητα'
   challenge: true
 - title: Κώδικας για να πιάνεις φαντάσματα
 - title: 'Πρόκληση: πρόσθεσε ήχο'
   challenge: true
 - title: Προσθήκη βαθμολογίας
-  completion: internal
 - title: Πρόσθεσε ένα χρονόμετρο
+  completion:
+  - internal
 - title: 'Πρόκληση: περισσότεροι χαρακτήρες'
   challenge: true
 - title: Έλεγχος γνώσεων
diff --git a/en/meta.yml b/en/meta.yml
index 17a4a9962..53ba18fd2 100644
--- a/en/meta.yml
+++ b/en/meta.yml
@@ -2,23 +2,26 @@
 title: Ghostbusters
 hero_image: images/ghostbusters.png
 description: Make a game about catching ghosts!
+pdf: resources/rpfi-ghostbuster.pdf
 listed: true
 copyedit: true
 version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Introduction
-  completion: engaged
 - title: Animate a ghost
 - title: Random ghosts
+  completion:
+  - engaged
 - title: 'Challenge: more randomness'
   challenge: true
 - title: Code for catching ghosts
 - title: 'Challenge: add a sound'
   challenge: true
 - title: Add a score
-  completion: internal
 - title: Add a timer
+  completion:
+  - internal
 - title: 'Challenge: more sprites'
   challenge: true
 - title: What next?
diff --git a/en/resources/rpfi-ghostbuster.pdf b/en/resources/rpfi-ghostbuster.pdf
new file mode 100644
index 000000000..954c7b4bc
Binary files /dev/null and b/en/resources/rpfi-ghostbuster.pdf differ
diff --git a/es-ES/meta.yml b/es-ES/meta.yml
index 149dfe368..70206497d 100644
--- a/es-ES/meta.yml
+++ b/es-ES/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Introducción
-  completion: engaged
 - title: Animando un fantasma
 - title: Fantasmas aleatorios
+  completion:
+  - engaged
 - title: 'Desafío: más aleatoriedad'
   challenge: true
 - title: Código para atrapar fantasmas
 - title: 'Desafío: añadir un sonido'
   challenge: true
 - title: Añadir una puntuación
-  completion: internal
 - title: Añadir un temporizador
+  completion:
+  - internal
 - title: 'Desafío: más objetos'
   challenge: true
 - title: "¿Qué sigue?"
diff --git a/es-LA/meta.yml b/es-LA/meta.yml
index 879ac5cc0..178e55424 100644
--- a/es-LA/meta.yml
+++ b/es-LA/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Introducción
-  completion: engaged
 - title: Animando un fantasma
 - title: Fantasmas aleatorios
+  completion:
+  - engaged
 - title: 'Desafío: más aleatoriedad'
   challenge: true
 - title: Código para capturar fantasmas
 - title: 'Desafío: añade un sonido'
   challenge: true
 - title: Añade una puntuación
-  completion: internal
 - title: Agrega un temporizador
+  completion:
+  - internal
 - title: 'Desafío: más sprites'
   challenge: true
 - title: "¿Qué sigue?"
diff --git a/fr-FR/meta.yml b/fr-FR/meta.yml
index 1350ced41..101896da1 100644
--- a/fr-FR/meta.yml
+++ b/fr-FR/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Introduction
-  completion: engaged
 - title: Animer un fantôme
 - title: Fantômes aléatoires
+  completion:
+  - engaged
 - title: 'Défi: plus aléatoire'
   challenge: true
 - title: Code pour capturer les fantômes
 - title: 'Défi: ajouter un son'
   challenge: true
 - title: Ajouter un score
-  completion: internal
 - title: Ajouter un minuteur
+  completion:
+  - internal
 - title: 'Défi: plus de sprites'
   challenge: true
 - title: Teste-toi
diff --git a/he-IL/meta.yml b/he-IL/meta.yml
index 35ac72ca8..b79d8270a 100644
--- a/he-IL/meta.yml
+++ b/he-IL/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: מכסחי השדים
-  completion: engaged
diff --git a/hi-IN/meta.yml b/hi-IN/meta.yml
index f3fdb2e72..22a8e9bce 100644
--- a/hi-IN/meta.yml
+++ b/hi-IN/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: परिचय
-  completion: engaged
 - title: भूत का एनिमेशन बनाना
 - title: बेतरतीब भूत
+  completion:
+  - engaged
 - title: 'चुनौती: अधिक अस्थाई'
   challenge: true
 - title: भूत पकड़ना
 - title: 'चुनौती: ध्वनि जोड़ना'
   challenge: true
 - title: स्कोर जोड़ें
-  completion: internal
 - title: टाइमर(timer) जोड़ना
+  completion:
+  - internal
 - title: 'चुनौती: और स्प्रिट्स'
   challenge: true
 - title: आगे क्या?
diff --git a/hr-HR/meta.yml b/hr-HR/meta.yml
index bac862fad..e79826105 100644
--- a/hr-HR/meta.yml
+++ b/hr-HR/meta.yml
@@ -18,12 +18,12 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Uvod
-  completion: engaged
 - title: Animacija duha
 - title: Duh se pojavljuje na nasumičnim mjestima
+  completion:
+  - engaged
 - title: Hvatanje duhova
 - title: Dodavanje rezultata
 - title: Dodavanje mjerača vremena
 - title: 'Izazov: više objekata'
   challenge: true
-  completion: internal
diff --git a/hu-HU/meta.yml b/hu-HU/meta.yml
index 0ab7d1b40..0f91a7651 100644
--- a/hu-HU/meta.yml
+++ b/hu-HU/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Bevezetés
-  completion: engaged
 - title: Animálj egy szellemet
 - title: Véletlenül feltűnő szellemek
+  completion:
+  - engaged
 - title: 'Kihívás: több véletlenszerűség'
   challenge: true
 - title: A szellemek elfogásának kódja
 - title: 'Kihívás: hang hozzáadása'
   challenge: true
 - title: Adj hozzá eredményszámolálót
-  completion: internal
 - title: Időzítő hozzáadása
+  completion:
+  - internal
 - title: 'Kihívás: többféle szereplő'
   challenge: true
 - title: Teszteld magad
diff --git a/id-ID/meta.yml b/id-ID/meta.yml
index 058be8d00..c74d5b932 100644
--- a/id-ID/meta.yml
+++ b/id-ID/meta.yml
@@ -18,12 +18,12 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Pengantar
-  completion: engaged
 - title: Menganimasikan satu hantu
 - title: Hantu acak
+  completion:
+  - engaged
 - title: Menangkap hantu
 - title: Menambahkan skor
 - title: Menambahkan pengatur waktu
 - title: 'Tantangan: benda tambahan'
   challenge: true
-  completion: internal
diff --git a/it-IT/meta.yml b/it-IT/meta.yml
index 4701f4f7b..c73419e7a 100644
--- a/it-IT/meta.yml
+++ b/it-IT/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Introduzione
-  completion: engaged
 - title: Animare un fantasma
 - title: Fantasmi a caso
+  completion:
+  - engaged
 - title: 'Sfida: più casualità'
   challenge: true
 - title: Codice per catturare fantasmi
 - title: 'Sfida: aggiungere un suono'
   challenge: true
 - title: Aggiungere un punteggio
-  completion: internal
 - title: Aggiungere un timer
+  completion:
+  - internal
 - title: 'Sfida: più sprite'
   challenge: true
 - title: Mettiti alla prova
diff --git a/ja-JP/meta.yml b/ja-JP/meta.yml
index f07e2486d..edadf0487 100644
--- a/ja-JP/meta.yml
+++ b/ja-JP/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: はじめに
-  completion: engaged
 - title: おばけを動かす
 - title: おばけをランダムに動かす
+  completion:
+  - engaged
 - title: 'チャレンジ: もっとランダムに'
   challenge: true
 - title: おばけをつかまえるコード
 - title: 'チャレンジ: 音を追加する'
   challenge: true
 - title: スコアを追加する
-  completion: internal
 - title: タイマーを追加する
+  completion:
+  - internal
 - title: 'チャレンジ: スプライトをふやす'
   challenge: true
 - title: 次は何をしましょうか？
diff --git a/kn-IN/meta.yml b/kn-IN/meta.yml
index 3bffb2885..9843bb405 100644
--- a/kn-IN/meta.yml
+++ b/kn-IN/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: ಪರಿಚಯ
-  completion: engaged
 - title: ಭೂತವನ್ನು ಅನಿಮೇಟ್ ಮಾಡಿ
 - title: Random ಭೂತಗಳು
+  completion:
+  - engaged
 - title: 'ಸವಾಲು: ಹೆಚ್ಚು ಅಚಾನಕತೆ(randomness)'
   challenge: true
 - title: ಭೂತಗಳನ್ನು ಹಿಡಿಯುವ ಕೋಡ್
 - title: 'ಸವಾಲು: ಒಂದು ಧ್ವನಿ ಸೇರಿಸಿ'
   challenge: true
 - title: ಅಂಕ ಸೇರಿಸಿ
-  completion: internal
 - title: ಟೈಮರ್(timer) ಸೇರಿಸಿ
+  completion:
+  - internal
 - title: 'ಸವಾಲು: ಹೆಚ್ಚು sprite ಗಳು'
   challenge: true
 - title: ಮುಂದೆ ಏನು?
diff --git a/ko-KR/meta.yml b/ko-KR/meta.yml
index f46bcaa3f..59483f3db 100644
--- a/ko-KR/meta.yml
+++ b/ko-KR/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: 소개
-  completion: engaged
 - title: 유령 움직여 보기
 - title: 신출귀몰한 유령
+  completion:
+  - engaged
 - title: '도전 과제: 더 랜덤하게'
   challenge: true
 - title: 유령을 잡아볼까요
 - title: '도전과제: 타이머 추가하기'
   challenge: true
 - title: 점수 추가하기
-  completion: internal
 - title: 타이머 추가하기
+  completion:
+  - internal
 - title: '도전과제: 좀 더 많은 스프라이트 만들기'
   challenge: true
 - title: 더 나아가기
diff --git a/me-ME/meta.yml b/me-ME/meta.yml
index e2bd23118..e442cbdf5 100644
--- a/me-ME/meta.yml
+++ b/me-ME/meta.yml
@@ -18,12 +18,12 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Uvod
-  completion: engaged
 - title: Animacija duha
 - title: Nasumični duhovi
+  completion:
+  - engaged
 - title: Hvatanje duhova
 - title: Dodavanje rezultata
 - title: Dodavanje mjerača vremena
 - title: 'Izazov: više objekata'
   challenge: true
-  completion: internal
diff --git a/mr-IN/meta.yml b/mr-IN/meta.yml
index 4ba03191f..706ea3cd5 100644
--- a/mr-IN/meta.yml
+++ b/mr-IN/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: परिचय
-  completion: engaged
 - title: एक भूत आत्मसात करा
 - title: यादृच्छिक भूत
+  completion:
+  - engaged
 - title: 'आव्हान: अधिक यादृच्छिकता'
   challenge: true
 - title: भूत पकडण्यासाठी कोड
 - title: आव्हानः आवाज जोडा
   challenge: true
 - title: एक अंक जोडा
-  completion: internal
 - title: एक टाइमर जोडा
+  completion:
+  - internal
 - title: 'आव्हान: अधिक स्प्राइट्स'
   challenge: true
 - title: पुढे काय?
diff --git a/nl-NL/meta.yml b/nl-NL/meta.yml
index 8a2a09a01..d96e27c28 100644
--- a/nl-NL/meta.yml
+++ b/nl-NL/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Inleiding
-  completion: engaged
 - title: Een spook laten bewegen
 - title: Willekeurige spoken
+  completion:
+  - engaged
 - title: 'Uitdaging: meer willekeur'
   challenge: true
 - title: Code voor het vangen van spoken
 - title: 'Uitdaging: geluid toevoegen'
   challenge: true
 - title: Een score toevoegen
-  completion: internal
 - title: Een tijdklok toevoegen
+  completion:
+  - internal
 - title: 'Uitdaging: meer sprites'
   challenge: true
 - title: Test jezelf
diff --git a/pl-PL/meta.yml b/pl-PL/meta.yml
index da718ebc7..9a49befa1 100644
--- a/pl-PL/meta.yml
+++ b/pl-PL/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Wprowadzenie
-  completion: engaged
 - title: Animuj ducha
 - title: Losowe duchy
+  completion:
+  - engaged
 - title: 'Wyzwanie: większa losowość'
   challenge: true
 - title: Kod do łapania duchów
 - title: 'Wyzwanie: dodaj dźwięk'
   challenge: true
 - title: Dodaj wynik
-  completion: internal
 - title: Dodaj licznik czasu
+  completion:
+  - internal
 - title: 'Wyzwanie: więcej duszków'
   challenge: true
 - title: Co dalej?
diff --git a/pt-BR/meta.yml b/pt-BR/meta.yml
index 1dc1274d0..d45c236f8 100644
--- a/pt-BR/meta.yml
+++ b/pt-BR/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 01-11-2018
 steps:
 - title: Introdução
-  completion: engaged
 - title: Animando um fantasma
 - title: Fantasmas aleatórios
+  completion:
+  - engaged
 - title: 'Desafio: mais aleatoriedade'
   challenge: true
 - title: Código para capturar fantasmas
 - title: 'Desafio: adicionar um som'
   challenge: true
 - title: Adicionar uma pontuação
-  completion: internal
 - title: Adicionar um cronômetro
+  completion:
+  - internal
 - title: 'Desafio: mais fantasmas'
   challenge: true
 - title: E agora?
diff --git a/ro-RO/meta.yml b/ro-RO/meta.yml
index b2eb322aa..801224f36 100644
--- a/ro-RO/meta.yml
+++ b/ro-RO/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-01-01
 steps:
 - title: Introducere
-  completion: engaged
 - title: Animează o fantomă
 - title: Fantome la întâmplare
+  completion:
+  - engaged
 - title: 'Provocare: mai multă randomizare'
   challenge: true
 - title: Cod pentru prinderea fantomelor
 - title: 'Provocare: adaugă un sunet'
   challenge: true
 - title: Adaugă un scor
-  completion: internal
 - title: Adaugă un cronometru
+  completion:
+  - internal
 - title: 'Provocare: mai multe personaje'
   challenge: true
 - title: Testează-te
diff --git a/ru-RU/meta.yml b/ru-RU/meta.yml
index 6add40425..2c8074185 100644
--- a/ru-RU/meta.yml
+++ b/ru-RU/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Введение
-  completion: engaged
 - title: Анимация приведения
 - title: Случайные приведения
+  completion:
+  - engaged
 - title: 'Задача: больше случайностей'
   challenge: true
 - title: Код для ловли приведений
 - title: 'Задача: добавление звука'
   challenge: true
 - title: Добавление счёта
-  completion: internal
 - title: Добавление таймера
+  completion:
+  - internal
 - title: 'Задача: больше спрайтов'
   challenge: true
 - title: Что дальше?
diff --git a/sk-SK/meta.yml b/sk-SK/meta.yml
index b2976ab56..4078867cf 100644
--- a/sk-SK/meta.yml
+++ b/sk-SK/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Lovci duchov
-  completion: engaged
diff --git a/sl-SI/meta.yml b/sl-SI/meta.yml
index c27ce5b8b..ade1c68e8 100644
--- a/sl-SI/meta.yml
+++ b/sl-SI/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Uvod
-  completion: engaged
 - title: Animiraj duhca
 - title: Naključni duhovi
+  completion:
+  - engaged
 - title: 'Izziv: več naključja'
   challenge: true
 - title: Koda za lov na duhove
 - title: 'Izziv: dodaj zvok'
   challenge: true
 - title: Dodaj točkovanje
-  completion: internal
 - title: Dodaj časovnik
+  completion:
+  - internal
 - title: 'Izziv: več duhov'
   challenge: true
 - title: Kaj sledi?
diff --git a/sr-SP/meta.yml b/sr-SP/meta.yml
index d9b70611f..c3cfc3afa 100644
--- a/sr-SP/meta.yml
+++ b/sr-SP/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Истеривачи духова
-  completion: engaged
diff --git a/ta-IN/meta.yml b/ta-IN/meta.yml
index 06e2c6640..18600982a 100644
--- a/ta-IN/meta.yml
+++ b/ta-IN/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: முன்னுரை
-  completion: engaged
 - title: ஒரு பேயை அசைவூட்டல்(animate) செய்யவும்
 - title: சீரற்ற பேய்கள்
+  completion:
+  - engaged
 - title: 'சவால்: அதிக சீரற்ற தன்மை'
   challenge: true
 - title: பேய்களைப் பிடிப்பதற்கான குறியீடு
 - title: 'சவால்: ஒலி சேர்க்கவும்'
   challenge: true
 - title: மதிப்பெண் சேர்க்கவும்
-  completion: internal
 - title: ஒரு நேரங்காட்டியைச் சேர்க்கவும்
+  completion:
+  - internal
 - title: 'சவால்: அதிக sprites'
   challenge: true
 - title: அடுத்து என்ன?
diff --git a/tr-TR/meta.yml b/tr-TR/meta.yml
index 9614211af..68f4d1868 100644
--- a/tr-TR/meta.yml
+++ b/tr-TR/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: Giriş
-  completion: engaged
 - title: Bir hayaleti canlandırın
 - title: Rastgele hayaletler
+  completion:
+  - engaged
 - title: 'Meydan okuma: Daha fazla rastgelelik'
   challenge: true
 - title: Hayaletleri yakalamak için kod
 - title: 'Meydan okuma: Ses ekleme'
   challenge: true
 - title: Bir puan ekle
-  completion: internal
 - title: Bir zamanlayıcı ekle
+  completion:
+  - internal
 - title: 'Meydan okuma: Daha fazla kukla'
   challenge: true
 - title: Sırada ne var?
diff --git a/uk-UA/meta.yml b/uk-UA/meta.yml
index f8b282f21..14331fc78 100644
--- a/uk-UA/meta.yml
+++ b/uk-UA/meta.yml
@@ -18,4 +18,3 @@ version: 4.2.1
 last_tested: 2018-01-01
 steps:
 - title: Мисливці за привидами
-  completion: engaged
diff --git a/zh-CN/meta.yml b/zh-CN/meta.yml
index 6bb5d383d..8df34cc37 100644
--- a/zh-CN/meta.yml
+++ b/zh-CN/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: 简介
-  completion: engaged
 - title: 制作幽灵动画
 - title: 随机幽灵
+  completion:
+  - engaged
 - title: 挑战：更多随机性
   challenge: true
 - title: 捉幽灵的代码
 - title: 挑战：添加音效
   challenge: true
 - title: 添加计分功能
-  completion: internal
 - title: 添加倒计时
+  completion:
+  - internal
 - title: 挑战：更多角色
   challenge: true
 - title: 接下来还有什么？
diff --git a/zh-TW/meta.yml b/zh-TW/meta.yml
index cdd700b7a..da14cc031 100644
--- a/zh-TW/meta.yml
+++ b/zh-TW/meta.yml
@@ -8,17 +8,19 @@ version: 4.1.0
 last_tested: 2018-11-01
 steps:
 - title: 介紹
-  completion: engaged
 - title: 讓鬼動起來
 - title: 隨機出現的鬼魂
+  completion:
+  - engaged
 - title: 挑戰：更多隨機性
   challenge: true
 - title: 抓鬼的程式
 - title: 挑戰：加些音效
   challenge: true
 - title: 記錄得分
-  completion: internal
 - title: 計時開始
+  completion:
+  - internal
 - title: 挑戰：更多的角色
   challenge: true
 - title: 然後呢？