"It’s a Robo Blast from the past!" It’s time for a brand new version of Sonic Robo Blast! The classic fan game last updated back in 1998, modernized with love and care on the Core Plus Framework! Take control of Sonic, Tails, Knuckles and a special guest, as you venture through the evil scientist Doctor Eggman’s brand new base of operation: Robotropic! And put a stop to his plan to snatch all the rings on the planet!