create tutorial. Progress: 15%
fix conflict
set tutorial layout
create tutorial engine
create tutorial. Progress: 40%
complete all tutorial flow. Progress: 80%
create tutorial: success fail condition. Progress: 90%
create tutorial: create dialog path. Progress 95%
handle back to previous dialog and fix some bugs
create help line in stage 1-2
write stage 1-2 dialog
develop tutorial for stage 1-2. Progress: 50%. PS: Need refractoring
refractor tutorial: unverified
clean up codes
fix error
add jump to dialog command
Complete Stage 1_2 tutorial flow. Need to fix some bugs
fix balance zone bug
arrange stars in stage 1_2
fix tutorial bug: tutorial doesn't appear on stage replay