I play this game local with my friend. But i'm stuck on 2 serpant statue room. I can't pass this room because i can't find the key anywhere. And why the grapping hook there? Is it bug?

Please add Chinese to the game

Please add Chinese to the game

https://www.youtube.com/watch?v=CcIc1BgQLxU - On world 2, if you miss the key and enter the new area , you can't go back anymore. - On world 2 start from the room which spawn lot of bomb to the boss room , player 2's character control is inversed. - If you use the hook to destroy anthill , it will replace with worm pot which spawn infinite worms. - Some puzzle block , it bug on world 5. - At last boss fight, if you fall off the platform , you lose all lives? - At last boss fight (Robot), if you fall...