WebKit

Did you were never able to play tboi then go to a site called crazy games (desktop) then search tboi demo and now you can enjoy the game but its just 
Basement 1 and caves 1

Death Screen

card-23S5

card-jTKW

shot_speed

enemy_in_room

player_health

bombs

hpboss

bossfight

wiiin

GameState

card-ipnF

Evolutin

card-wzU_

card-dtr2

card-wgmX

card-derB

card-qQ7a

card-6cui

card-5g0-

The binding of Isaac! ALPHA VERSION. A Thebindingofisaac, Isaac, Tboi game by @dumd_oh, playable free in your browser on Castle.

The binding of Isaac! - Play Free Online | Castle

The binding of Isaac! - by @dumd_oh on Castle