Fireboy & Watergirl 4: in The Crystal Temple, Official Fireboy & Watergirl Wiki

Fireboy & Watergirl 4 in The Crystal Temple is the fourth game in the series. It was first announced on the official twitter on March 8, 2013, in the tweet simply saying, "Ready for new adventures?" implying that there would be a fourth installment to the series. 12 days later, there would be another announcement, implying that "FireBoy and WaterGirl are coming soon." Then, on March 22, 2013, they would show the date of its debut. The Crystal Temple was then officially launched on March 29, 2013

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