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