| Name | Lines of code | Maintainability | Test coverage |
| src/sprite.js | 52 | A 0 mins | |
| src/soundBank.js | 56 | A 45 mins | |
| src/eventManager.js | 58 | A 0 mins | |
| src/platformGrid.js | 75 | A 0 mins | |
| src/matter.min.js | 75 | A 0 mins | |
| src/player.js | 86 | A 0 mins | |
| src/domInterface.js | 88 | A 0 mins | |
| src/gameController.js | 94 | A 1 hr | |
| src/worldBuilder.js | 100 | A 1 hr | |
| src/renderer.js | 162 | A 1 hr |