| Day | Title | C# |
|---|---|---|
| 1 | Sonar Sweep | ⭐ ⭐ |
| 2 | Dive! | ⭐ ⭐ |
| 3 | Binary Diagnostic | ⭐ ⭐ |
| 4 | Giant Squid | ⭐ ⭐ |
| 5 | Hydrothermal Venture | ⭐ ⭐ |
| 6 | Lanternfish | ⭐ ⭐ |
| 7 | The Treachery of Whales | ⭐ ⭐ |
| 8 | Seven Segment Search | ⭐ ⭐ |
| 9 | Smoke Basin | ⭐ ⭐ |
| 10 | Syntax Scoring | ⭐ ⭐ |
| 11 | Dumbo Octopus | ⭐ ⭐ |
| 12 | Passage Pathing | ⭐ ⭐ |
| 13 | Transparent Origami | |
| 14 | Unknown | |
| 15 | Unknown | |
| 16 | Unknown | |
| 17 | Unknown | |
| 18 | Unknown | |
| 19 | Unknown | |
| 20 | Unknown | |
| 21 | Unknown | |
| 22 | Unknown | |
| 23 | Unknown | |
| 24 | Unknown | |
| 25 | Unknown |