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