| Name | Lines of code | Maintainability | Test coverage |
| gui/gui_director_menu.rb | 112 | A 2 hrs | |
| luz_performer.rb | 113 | A 2 hrs | |
| gui/gui_file_dialog.rb | 114 | A 1 hr | |
| utils/sdl_application.rb | 119 | A 2 hrs | |
| utils/image.rb | 120 | A 3 hrs | |
| utils/color.rb | 130 | B 4 hrs | |
| engine/user_object.rb | 134 | A 3 hrs | |
| gui/gui_object.rb | 174 | B 4 hrs | |
| engine/project.rb | 175 | B 6 hrs | |
| gui/gui_box.rb | 176 | B 4 hrs | |
| gui/gui_list.rb | 178 | C 1 day | |
| gui/gui_add_window.rb | 193 | D 1 day | |
| utils/drawing/drawing_shader_snippets.rb | 194 | D 2 days | |
| gui/pointer.rb | 213 | C 7 hrs | |
| gui/gui_user_object_editor.rb | 222 | C 1 day | |
| utils/osc.rb | 225 | A 3 hrs | |
| utils/zaml.rb | 245 | A 35 mins | |
| gui/gui_default.rb | 616 | F 5 days |