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