For players who want a truly expanded Flash experience beyond the official updates, the Community Remix mod was the original "New Game+" for Flash Isaac before was released. The Binding Of Isaac - Community Remix - (VERSION 1.3.2)
The chest flew open, but it didn't contain a map or a weapon. It contained a , its faces glowing with a soft blue light. As Isaac picked it up, the room around him began to shift. The walls bled into new patterns, and doors appeared where there were only shadows.
When his roommate found him the next morning, Leo was sitting perfectly still in front of the laptop. The game was still running. But Isaac was no longer on the screen.
"You wanted better. You wanted new. You wanted the full flash. Now you are the binding."