The sequel to my 'yellow', 'red' and 'black' games is here! Can you make the screen blue in 50 levels? Each level has its own logic. Do you need help? Use the light bulb button that will appear after a while in the top right of each level to get a hint. There are multiple hints for each level. With the premium unlock in-app you will not get ads before the hints. A Bart Bonte / bontegames puzzle game. 我的“黄色”,“红色”和“黑色”游戏的续集就在这里! 你能把屏幕变成50级蓝色吗? 每个级别都有自己的逻辑。 你需要帮助吗?使用每个级别右上角稍后出现的灯泡按钮获取提示。 每个级别都有多个提示。 使用优惠解锁应用内,您不会在提示之前获得广告。 Bart Bonte / bontegames益智游戏。