Isaac Raffle is a Chrome extension developed by Heart_bit that provides a random selection of characters and bosses for the game Isaac. This program is designed to add an element of surprise and unpredictability to gameplay by randomly selecting the route and characters.

With Isaac Raffle, you have the option to randomly draw characters directly from the program or choose to draw only the normal or alt characters and then select a random character in the game. This allows for flexibility and customization according to your preferences.

Please note that Isaac Raffle is only available in Korean, but the results can be understood through the accompanying images. The program was designed by HeonYeong and developed by Heart_bit.