Nice approach to the game. Looks good and it's interesting! The only thing I'd point out is the time you have to react. Maybe it's cause I just woke up from napping but that bar goes down very quick! Other than that, very nicely done! :D
Ten seconds? Wait on my playthrough it was literally two seconds. Maybe it's on my end then that's why I found it extremely difficult xD. Managed to get a couple right tho but it was random, didn't even have time to look at them before clicking xD