add clear function, timer speed to 40
add buffers in draw tiles, to solve the performance problem
update resume menu
update pause_menu
update pause menu
Fix the bug that sometimes the character can flip before it touches the ground
Fix a bug on travel range
Fix the bug that the character will die when it falling from a high place
Fix the bug the character will die before getting outside of the screen
Fix a bug
Fix a bug
Remove something
Remove some function that are not used in collision
Plan B for the buttone
Plan B for Plan B
fix a bug when the character sometimes stun in the random tiles in lvl 1
Fix a bug
rearrange levels and add some background to fit the story
update tutorial level 3
delete used patches