Here is the full list of all 41 Wunderling DX achievements.
Get through the fourth Boss Battle.
Beat the final Level with 100%.
Beat Level 6-15 with 100%.
Beat Level 5-B with 100%.
Jump through 100 Portals of any color.
Find a Gold Portal.
Beat Level 4-C with 100%.
Complete 10 Cow Quests.
Beat Level 2-10 with 100%.
Beat all Green Portal levels in a world.
Collect all the Flowers in an entire World.
Find all the Treasures in an entire World.
Beat Level 3-9 with 100%.
Get through the third Boss Battle.
Jump 10 000 times.
Unlock the factory World.
Jump through 50 Portals of any color.
Get through the second Boss Battle.
Beat one Level while having extremely low health.
Get five Cassettes.
Unlock the desert World.
Find twenty Treasures.
Die 100 times.
Jump through 20 Portals of any color.
Collect all Flowers on twenty Levels.
Get through the first Boss Battle.
Beat one Level by jumping through a Green Portal.
Jump 1000 times.
Get one Cassette.
Complete one Cow Quest.
Beat Level 1-14 with 100%.
Equip yourself with one Item from each category.
Release the Frog in World 1.
Jump through 10 Portals of any color.
Find five Treasures.
Collect all Flowers on five Levels.
Jump 100 times.
Find one Treasure.
Equip yourself with one Item.
Jump through your first Portal.
Collect all Flowers on one Level for the first time.