Here is the full list of all 36 Sonic Origins achievements.
Fly as Tails
Defeat a total of 200 enemies
Glide as Knuckles
Defeat 30 enemies with the Spin Dash
Use Air Bubbles in Sonic the Hedgehog
Collect a total of 1000 Rings
Defeat a total of 50 enemies
Watch the opening for Sonic CD
Watch the opening for Sonic the Hedgehog
Clear 1 Mission
Try the Boss Rush from any of the titles
Unlock all Trophies
Watch the opening for Sonic the Hedgehog 2
Watch the opening for Sonic the Hedgehog 3 & Knuckles
Defeat 10 Moto Bugs in Sonic the Hedgehog
Travel to the past or future in Sonic CD
Win a race against Metal Sonic in Sonic CD
Defeat 10 Stingers in Sonic the Hedgehog 2
Get the jackpot in Sonic the Hedgehog 2's Casino Night Zone
Defeat 10 Rhinobots in Sonic the Hedgehog 3 & Knuckles
Collect 3 types of Shields in Sonic the Hedgehog 3 & Knuckles
View a Premium Collection item from the Museum
Clear 10 Sonic the Hedgehog Missions with an S rank
Clear 10 Sonic CD Missions with an S rank
Clear 10 Sonic the Hedgehog 2 Missions with an S rank
Clear 10 Sonic the Hedgehog 3 & Knuckles Missions with an S rank
Play Mirror Mode
Unlock 6 movie collection items with Coins
Unlock 10 sound collection items with Coins
Unlock 30 art collection items with Coins
Turn into Super Sonic
Clear Sonic the Hedgehog in either Anniversary or Classic Mode
Clear Sonic CD in either Anniversary or Classic Mode
Clear Sonic the Hedgehog 2 in either Anniversary or Classic Mode
Clear Sonic the Hedgehog 3 & Knuckles in either Anniversary or Classic Mode
Clear all 4 titles