Brain Hole Extra Big is a series of mobile games that integrate puzzle solving, fault finding and word games. The game contains many interesting mini-games, including finding the difference, solving puzzles, and folding words. Through observation, find out the unreasonable items in each level, use your bold and unbelievable imagination, and challenge various fogs and puzzles. Your brain hole will be infinitely expanded, and passing levels of different difficulty will push your thinking and observation skills to new heights.

Game features:
1. A variety of exciting mini-game challenges to ensure that you can't stop playing;
2. A variety of game modes, including interesting and challenging game modes such as spotting differences, solving puzzles, and text folding;
3. More than a thousand levels of different difficulty, allowing you to challenge different levels of thinking difficulty;
4. The unique brain hole mode in the game can exercise and improve your thinking and observation skills.