Pengun: 1.01

1.01 features. - now tutorial is more helpful - ingame option is available - game spawns garbage tile in game - new enemy - waves are extened up to 15 from 10 (last version) - railroad now has an hp regain effect - railroad gives extra speed bonus for 1.5 seconds - you can sell or upgrade items in store - new more decorations on the map - ducks now have random box effects