| 1. Put a ring on it. | BasicsData Structures Google | Easy 1 | 50% 222 / 445 |
| 2. Add to 13 | | Easy 1 | 66% 173 / 261 |
| 3. Know your limits. (Easy version) | Data StructuresNetworking +1 Akuna Capital | Easy 1.5 | 31% 69 / 225 |
| 4. It's over for you. (if you can't do this) | | Easy 1.5 | 22% 96 / 439 |
| 5. Crafter | | Easy+ 2 | 12% 21 / 176 |
| 6. Know your limits. (Hard version) | BasicsNetworking +1 Akuna Capital | Easy+ 2 | 33% 43 / 130 |
| 7. burn this image into the retina of my eye | BasicsMachine Learning Meta | Easy+ 2 | 85% 35 / 41 |
| 8. CorrelationTTV (Easy version) | | Easy+ 2 | 19% 26 / 134 |
| 9. Ok Garmin, save video | BasicsData Structures Amazon | Easy+ 2.5 | 43% 25 / 58 |
| 10. Ouroboros | | Easy+ 2.5 | 49% 27 / 55 |
| 11. Pixel Budget | Data StructuresAlgorithms +1 Anthropic | Easy+ 2.5 | 90% 19 / 21 |
| 12. Down the Rabbit-Hole | Machine LearningMath +1 Jane Street | Normal 3 | 52% 14 / 27 |
| 13. Stronger Together | | Normal 3 | 67% 8 / 12 |
| 14. Let's Connect! (Easy version) | BasicsGame Theory Citadel | Normal 3 | 73% 11 / 15 |
| 15. The Answer to the Ultimate Question of Life, the Universe, and Everything | Memory ManagementBasics HRT | Normal 3 | 18% 40 / 221 |
| 16. Vector (Easy version) | Data StructuresBasics Squarepoint | Normal 3 | 14% 12 / 86 |
| 17. The Amazing Race 1 | | Normal 3.5 | 11% 10 / 88 |
| 18. Time-Windowed Join | Data StructuresBasics Google | Normal 3.5 | 40% 8 / 20 |
| 19. Omniscient Reader's Viewpoint | MathMachine Learning +1 Meta | Normal+ 4 | 50% 7 / 14 |
| 20. Escape the Matrix | Data StructuresMath +2 Voleon | Normal+ 4 | 28% 10 / 36 |
| 21. One step forward, two steps back | MathMachine Learning +1 Anthropic | Normal+ 4 | 80% 4 / 5 |
| 22. You're naive. | | Normal+ 4 | 33% 6 / 18 |
| 23. We live in a simulation. | | Normal+ 4 | 85% 11 / 13 |
| 24. CorrelationTTV (Hard version) | | Normal+ 4 | 6% 7 / 108 |
| 25. Multidimensional Virtual Arcade | Design PatternsData Structures +1 Citadel | Normal+ 4.5 | 31% 4 / 13 |
| 26. Hashring | Data StructuresBasics Anthropic | Normal+ 4.5 | 36% 4 / 11 |
| 27. We were all SYNners. | | Hard 5 | 50% 5 / 10 |
| 28. Knock on wood | Design PatternsConcurrency +1 Nvidia | Hard 5 | 17% 9 / 53 |
| 29. One, Two, Skip a few... | Data StructuresMemory Management Optiver | Hard 5 | 44% 8 / 18 |
| 30. Do you think he clicks? | | Hard 5 | 47% 7 / 15 |
| 31. Pardon my... | Data StructuresMemory Management +1 | Hard 5.5 | 50% 2 / 4 |
| 32. Design an in-memory file system | Data StructuresMemory Management +1 Meta | Hard 5.5 | 27% 6 / 22 |
| 33. Return by Death | MathMachine Learning +1 Anthropic | Hard 5.5 | 100% 3 / 3 |
| 34. Porphyrophobia | Data StructuresDesign Patterns +1 Meta | Harder 6 | 13% 6 / 45 |
| 35. I'm single. | Design PatternsData Structures +2 Akuna Capital | Harder 6 | 14% 11 / 78 |
| 36. Let's Connect! (Hard version) | | Harder 6 | 67% 4 / 6 |
| 37. cant erase u | Memory ManagementDesign Patterns | Harder 6 | 100% 2 / 2 |
| 38. The NOexistenceN of you AND me | Machine LearningData Structures +1 Millennium | Insane 7 | 100% 5 / 5 |
| 39. Vector (Hard Version) | Memory ManagementData Structures Squarepoint | Insane 7.5 | 4% 5 / 120 |
| 40. Return to Sender | | Insane 7.5 | 21% 6 / 29 |
| 41. Pool party! | Data StructuresMemory Management +2 Akuna Capital | Expert 8 | 14% 7 / 49 |
| 42. Consumerism (Easy version) | Design PatternsData Structures +2 | Master 9 | 43% 6 / 14 |
| 43. Stacked up (Easy Version) | ConcurrencyData Structures +1 | Master 9.5 | 31% 4 / 13 |
| 44. Consumerism (Hard version) | ConcurrencyMemory Management +3 | Grandmaster 10 | 30% 9 / 30 |
| 45. Stacked up (Hard Version) | Memory ManagementConcurrency +2 | Glitched 11 | 50% 5 / 10 |