Here is the full list of all 100 Sonic Lost World achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Collect 200 Rings with the Magenta Rhythm.
Destroy 40 pieces of terrain with the Indigo Asteroid.
Defeat Dr. Eggman without taking damage.
Perform 20 Drill Jumps with the Yellow Drill.
Collect 50 Rings with the Orange Rocket.
Fly for at least 30 seconds as the Crimson Eagle.
Defeat 300 enemies. This is what you've trained for!
Defeat at least 5 enemies at once with a Black Bomb explosion.
Defeat 100 enemies with Kicks. Now you're getting the hang of it!
Collect 50 Rings with the Cyan Laser.
Collect 4500 Rings. You can't ever have enough.
Defeat 250 enemies. This is what you've trained for!
Clear a zone with at least 350 Rings.
Pull off at least 20 Wall Jumps in a row. That qualifies as mad skills!
Collect 4000 Rings. You can't ever have enough
Clear 5 zones without taking any damage.
Clear 5 zones without losing a Life.
Collect 3500 Rings. You can't ever have enough.
Defeat 30 enemies with the Spin Dash.
Jump 250 times. You're blasting off again!
Clear a zone with at least 300 Rings.
Spin Dash for at least 10 seconds. Spin Dash master!
Defeat Zavok without taking damage in the world's final zone.
Collect 3000 Rings. An epic collection!
Defeat 20 enemies with the Cyan Laser.
In a single attack, use 6 or more lock-ons to defeat one or more enemies.
Defeat 30 enemies by Bouncing.
Earn at least 8 bonuses when you reach the goal.
Defeat 20 enemies with the Indigo Asteroid.
Run along the walls for at least 30 meters. Gotta go fast!
Collect 2500 Rings. You can't ever have enough.
Pull off at least 10 Wall Jumps in a row. Wow, you've got skills!
Clear a zone with at least 250 Rings.
Defeat Zor without taking damage in the world's final zone.
Can you find 9 1-Ups? Keep coming back for more!
Defeat 200 enemies. They didn't know what hit 'em!
Clear 3 zones without taking any damage.
Collect 2250 Rings. You can't ever have enough.
Defeat 20 enemies with the Spin Dash.
Perform 10 Drill Jumps with the Yellow Drill.
Clear a zone with at least 200 Rings.
Clear 3 zones without losing a Life.
Destroy 20 pieces of terrain with the Indigo Asteroid.
Defeat Zeena without taking damage in the world's final zone.
Pull off at least 5 Wall Jumps in a row. You're getting good at this!
Collect 2000 Rings. You can't ever have enough.
Clear a zone with at least 150 Rings.
Clear a zone without taking any damage.
Collect 50 Rings while in Yellow Drill form.
Defeat 20 enemies by Bouncing.
See if you can clear a zone without defeating any enemies.
Jump 100 times. Just keep going!
Defeat 100 enemies. You're really getting the hang of this!
Defeat Master Zik without taking damage in the world's final zone.
Collect 50 Rings with the Black Bomb.
Clear a zone with at least 100 Rings.
Run along the walls for at least 20 meters. Who needs gravity?
In a single attack, use 4 or more lock-ons to defeat one or more enemies.
Collect 1750 Rings. Wow, that's impressive!
Wreak havoc for at least 20 seconds in Indigo Asteroid form.
Clear a zone without losing a Life.
Defeat Zomom without taking damage in the world's final zone.
Clear a zone with at least 75 Rings.
Spin Dash for at least 5 seconds. Getting faster!
Earn at least 5 bonuses when you reach the goal.
Collect 1500 Rings. You can't ever have enough.
Collect 50 Rings with the Crimson Eagle.
Can you find 6 1-Ups? Keep going!
Defeat 75 enemies. This is what you've trained for!
Defeat Zazz without taking damage in the world's final zone.
Collect 100 Rings with the Magenta Rhythm.
Collect 1250 Rings. You can't ever have enough.
Clear a zone with at least 50 Rings.
Wreak havoc for at least 30 seconds with the Yellow Drill.
Defeat 10 enemies by Bouncing.
Defeat 10 enemies with the Spin Dash.
Defeat 10 enemies with the Yellow Drill.
Move along the ceiling for at least 5 seconds. Acrobat extraordinaire!
Collect 10 Rings with the Orange Rocket.
Defeat at least 3 enemies at once with a Black Bomb explosion.
Perform 5 Drill Jumps with the Yellow Drill.
Collect 1000 Rings. A grand achievement!
Defeat an enemy with a Black Bomb explosion.
Collect 100 Rings with the Indigo Asteroid.
Destroy 10 pieces of terrain with the Indigo Asteroid.
Collect 10 Rings with the Cyan Laser.
Earn at least 3 bonuses when you reach the goal.
Grab a ledge and climb up 5 times. It's climbing practice!
Multi Lock-on to a single enemy and defeat it with a powerful Homing Attack.
Pull off a Wall Jump. Serious ninja skills!
Defeat 50 enemies. This is what you've trained for!
Use the Indigo Asteroid to find a bonus room.
Jump 30 times. Up, up, and away!
Kick an enemy into another enemy. Give' em the boot!
Run along the walls for at least 10 meters. Who needs gravity?
Collect 750 Rings. Where are you keeping them all?!
Can you find 3 1-Ups? You can never have too many!
Spin Dash for at least 2 seconds. Practice makes perfect!
In a single attack, use 3 or more lock-ons to defeat one or more enemies.
Collect 500 Rings. You can't ever have enough.