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