If you are in a strict school environment with no phone, no USB ports, and no budget for games, an unblocked 66 site might give you 10 minutes of nostalgic Flash Isaac. But you will die to a glitch, lose your run, and possibly infect the computer with adware.
If you are in a strict school environment with no phone, no USB ports, and no budget for games, an unblocked 66 site might give you 10 minutes of nostalgic Flash Isaac. But you will die to a glitch, lose your run, and possibly infect the computer with adware.