| 1. Add to 13 | | Easy 1 | 17% 6 / 36 |
| 2. Put a ring on it. | BasicsData Structures Google | Easy 1 | 16% 5 / 31 |
| 3. Know your limits. (Easy version) | NetworkingData Structures +1 Akuna Capital | Easy 1.5 | 67% 4 / 6 |
| 4. It's over for you. (if you can't do this) | | Easy 1.5 | 21% 4 / 19 |
| 5. CorrelationTTV (Easy version) | | Easy+ 2 | 22% 2 / 9 |
| 6. Know your limits. (Hard version) | BasicsData Structures +1 Akuna Capital | Easy+ 2 | 60% 3 / 5 |
| 7. burn this image into the retina of my eye | Machine LearningBasics Meta | Easy+ 2 | 50% 2 / 4 |
| 8. Ok Garmin, save video | Data StructuresBasics Amazon | Easy+ 2.5 | 67% 2 / 3 |
| 9. Let's Connect! (Easy version) | BasicsGame Theory Citadel | Normal 3 | 100% 3 / 3 |
| 10. Stronger Together | | Normal 3 | 100% 1 / 1 |
| 11. The Answer to the Ultimate Question of Life, the Universe, and Everything | BasicsMemory Management HRT | Normal 3 | 22% 6 / 27 |
| 12. Down the Rabbit-Hole | BasicsMachine Learning +1 Jane Street | Normal 3 | 17% 1 / 6 |
| 13. The Amazing Race 1 | | Normal 3.5 | 25% 1 / 4 |
| 14. Time-Windowed Join | BasicsData Structures Google | Normal 3.5 | 14% 1 / 7 |
| 15. You're naive. | BasicsMachine Learning +1 MetaGoogle | Normal+ 4 | 14% 1 / 7 |
| 16. Escape the Matrix | Data StructuresDesign Patterns +2 Voleon | Normal+ 4 | 100% 1 / 1 |
| 17. Omniscient Reader's Viewpoint | BasicsMachine Learning +1 Meta | Normal+ 4 | 17% 1 / 6 |
| 18. We live in a simulation. | | Normal+ 4 | 60% 3 / 5 |
| 19. CorrelationTTV (Hard version) | | Normal+ 4 | 17% 1 / 6 |
| 20. Multidimensional Virtual Arcade | Data StructuresDesign Patterns +1 Citadel | Normal+ 4.5 | 100% 1 / 1 |
| 21. Do you think he clicks? | | Hard 5 | 100% 1 / 1 |
| 22. We were all SYNners. | Data StructuresNetworking Millennium | Hard 5 | 100% 1 / 1 |
| 23. Design an in-memory file system | Memory ManagementDesign Patterns +1 Meta | Hard 5 | 50% 1 / 2 |
| 24. Knock on wood | ConcurrencyDesign Patterns +1 Nvidia | Hard 5 | 100% 1 / 1 |
| 25. Return by Death | | Hard 5.5 | 100% 1 / 1 |
| 26. I'm single. | Data StructuresOperating Systems +2 Nvidia | Harder 6 | 100% 1 / 1 |
| 27. Let's Connect! (Hard version) | | Harder 6 | 100% 2 / 2 |
| 28. Porphyrophobia | NetworkingDesign Patterns +1 Meta | Harder 6 | 100% 1 / 1 |
| 29. The NOexistenceN of you AND me | Design PatternsData Structures +1 Millennium | Insane 7 | 100% 2 / 2 |
| 30. Pool party! | Operating SystemsData Structures +2 Akuna Capital | Expert 8 | 10% 1 / 10 |
| 31. Consumerism (Easy version) | ConcurrencyDesign Patterns +2 Jane Street | Master 9 | 100% 1 / 1 |
| 32. Consumerism (Hard version) | Operating SystemsDesign Patterns +3 Jane Street | Grandmaster 10 | 100% 1 / 1 |