| Illumination | 2700 | Solve |
| Increasing Xor | 2700 | Solve |
| Indie Album | 2700 | Solve |
| Information Reform | 2700 | Solve |
| Intergalaxy Trips | 2700 | Solve |
| Inverse Problem | 2700 | Solve |
| Is It Rated? | 2700 | Solve |
| Japanese Game | 2700 | Solve |
| Jeff and Removing Periods | 2700 | Solve |
| Jog Around The Graph | 2700 | Solve |
| Johnny Solving | 2700 | Solve |
| Juju and Binary String | 2700 | Solve |
| Jumping Around | 2700 | Solve |
| Ksusha and Square | 2700 | Solve |
| LCS Again | 2700 | Solve |
| Large Triangle | 2700 | Solve |
| Largest Submatrix 3 | 2700 | Solve |
| Latin Square | 2700 | Solve |
| Let Me Teach You a Lesson (Easy Version) | 2700 | Solve |
| Liars and Serge | 2700 | Solve |
| Long sequence | 2700 | Solve |
| Lucky Interval | 2700 | Solve |
| Lucky Tickets | 2700 | Solve |