Premium Challenge Goldmine Upgrade
Complete the following tasks:
- English: Upgrade the Goldmine
- French: Améliorez la mine d'or
- Arabic: قم بترقية منجم الذهب
- Svenska: Uppgradera guldgruvan
- Norsk: Oppgrader gullgruven
- Suomalainen: Päivitä kultakaivos
- Español: Mejora la mina de oro
- Ελληνικά: Αναβάθμιση του Goldmine
Available Rewards:
- 5 credits
- 15 credits
