Always look for "The Binding of Isaac: Rebirth" if possible. While the original Flash version is a classic, Rebirth is a complete remake built on a superior engine that doesn't rely on Flash at all. Why Play the Unblocked Version? Instant Access: No need for Steam or large downloads.
Some developers host the game as an online HTML5 application on GitHub, which often stays unblocked longer than standard gaming sites. Key Game Features the binding of isaac unblocked full game no flash top