Describe: a push box game made in java applet

File list(Click to check if it's the file you need, and recomment it at the bottom):
  ÍÆÁ˸öÏä×Óv1.01
  ...............\Boxman$1.class
  ...............\Boxman.bat
  ...............\Boxman.class
  ...............\Boxman.html
  ...............\Boxman.java
  ...............\Img
  ...............\...\background.png
  ...............\...\box_on_f.png
  ...............\...\box_on_g.png
  ...............\...\floor.png
  ...............\...\goal1.png
  ...............\...\man_d.png
  ...............\...\man_l.png
  ...............\...\man_r.png
  ...............\...\man_u.png
  ...............\...\wall.png
  ...............\Jump.wav
  ...............\maps.dat
  ...............\Push.wav
  ...............\Win.wav