| Name | Lines of code | Maintainability | Test coverage |
| src/game.rb | 85 | A 0 mins | |
| src/view.rb | 86 | B 4 hrs | |
| src/map.rb | 91 | A 0 mins | |
| demos/tetris/shape.rb | 124 | A 0 mins | |
| src/game_settings.rb | 126 | A 3 hrs | |
| src/game_field.rb | 131 | A 3 hrs | |
| src/grid.rb | 140 | A 2 hrs |
| Name | Lines of code | Maintainability | Test coverage |
| src/game.rb | 85 | A 0 mins | |
| src/view.rb | 86 | B 4 hrs | |
| src/map.rb | 91 | A 0 mins | |
| demos/tetris/shape.rb | 124 | A 0 mins | |
| src/game_settings.rb | 126 | A 3 hrs | |
| src/game_field.rb | 131 | A 3 hrs | |
| src/grid.rb | 140 | A 2 hrs |