There are many special achievements in "Sonic room, the Chao Rescue section has hints on where to find each Chao.
How to obtain the Rescue Professional achievement in Sonic Chat Generations Reboot
Rescue professionals
Rescue chao
The only new achievement in the game relates to the new collectible Chao in this remaster. In the game's Collection Room, the Chao Rescue section has hints on where to find each Chao, and there are 3 Chaos in each bill.
The only new achievement added to Sonic Generations is tied to the brand new collectables in this remaster - the Chao. In the game's Collection Room, the Chao Rescue section has hints on where to find each Chao, with there being 3 of them in each Act.