This reminds me of a similar game I used to play back in middle school, I can't remember for the life of me what it was called though. Edit: I just remembered, it was little alchemy 2 (I'm pretty sure I made decent progress on it when I still played it)
Timelines of all characters earn. 11:09 - Sonic there he is. We Got him Let’s Go!!!!! 11:34 - Sonic the Hedgehog💙🦔 11:41 - Metal Sonic🤖 11:50 - We Got Knuckles 12:00 - Knuckles the Echidna❤️🥊 12:31 - Shadow! 12:34 - Shadow the Hedgehog🖤🦔 13:18 - Amy Rose🌹💖 13:48 - Tails!!!!🦊💛 14:47 - Tails Doll🤖 16:29 - Super Sonic✨ 17:29 - All the characters we have got!👍