Skill
Swimming (Duck Life 4 Remastered)
Swimming improves the matching parts of ordinary races. Each duck develops its own skill. Energy remains a separate stat raised through food.
Racing use
Swimming improves the matching parts of ordinary races. Each duck develops its own skill. 
Energy remains a separate stat raised through food.
Training games
Use the separate game guides for controls, obstacles and scoring.
Levels and experience
The normal skill cap is 150 in the first five worlds and rises to 250 after the final victory. Training performance determines experience. The amount of experience earned depends on the activity and your performance.
Across the games
Compare games and editions on the 
Swimming page.