| 2025 | 1 | Secret Entrance | Prob | Src | Notes | Brute forceMathematics |
| 2025 | 2 | Gift Shop | Prob | Src | Notes | Brute forceMathematics |
| 2025 | 3 | Lobby | Prob | Src | Notes | Greedy |
| 2025 | 4 | Printing Department | Prob | Src | Notes | Cellular automata |
| 2025 | 5 | Cafeteria | Prob | Src | Notes | Geometry |
| 2025 | 6 | Trash Compactor | Prob | Src | Notes | String manipulation |
| 2025 | 7 | Laboratories | Prob | Src | Notes | Dynamic programming |
| 2025 | 8 | Playground | Prob | Src | Notes | Data structures |
| 2025 | 9 | Movie Theater | Prob | Src | Notes | GeometryCoordinate compression |
| 2025 | 10 | Factory | Prob | Src | Notes | BFS/DFSMathematics |
| 2025 | 11 | Reactor | Prob | Src | Notes | Graph theory |
| 2025 | 12 | Christmas Tree Farm | Prob | Src | Notes | Puzzle |
| 2024 | 1 | Historian Hysteria | Prob | Src | Notes | Data structures |
| 2024 | 2 | Red-Nosed Reports | Prob | Src | Notes | Mathematics |
| 2024 | 3 | Mull It Over | Prob | Src | Notes | String manipulation |
| 2024 | 4 | Ceres Search | Prob | Src | Notes | Grid walking |
| 2024 | 5 | Print Queue | Prob | Src | Notes | Brute force |
| 2024 | 6 | Guard Gallivant | Prob | Src | Notes | Grid walkingBrute force |
| 2024 | 7 | Bridge Repair | Prob | Src | Notes | BFS/DFS |
| 2024 | 8 | Resonant Collinearity | Prob | Src | Notes | Geometry |
| 2024 | 9 | Disk Fragmenter | Prob | Src | Notes | Data structures |
| 2024 | 10 | Hoof It | Prob | Src | Notes | Dynamic programming |
| 2024 | 11 | Plutonian Pebbles | Prob | Src | Notes | Dynamic programming |
| 2024 | 12 | Garden Groups | Prob | Src | Notes | Geometry |
| 2024 | 13 | Claw Contraption | Prob | Src | Notes | Mathematics |
| 2024 | 14 | Restroom Redoubt | Prob | Src | Notes | Grid walkingManual inspection |
| 2024 | 15 | Warehouse Woes | Prob | Src | Notes | Arcade gameBFS/DFS |
| 2024 | 16 | Reindeer Maze | Prob | Src | Notes | MazeDijkstra |
| 2024 | 17 | Chronospatial Computer | Prob | Src | Notes | VMManual inspectionBitwise operationsPuzzle |
| 2024 | 18 | RAM Run | Prob | Src | Notes | BFS/DFSData structuresGeometry |
| 2024 | 19 | Linen Layout | Prob | Src | Notes | Memoization |
| 2024 | 20 | Race Condition | Prob | Src | Notes | Geometry |
| 2024 | 21 | Keypad Conundrum | Prob | Src | Notes | PuzzleMemoization |
| 2024 | 22 | Monkey Market | Prob | Src | Notes | Bitwise operationsData structures |
| 2024 | 23 | LAN Party | Prob | Src | Notes | Graph theory |
| 2024 | 24 | Crossed Wires | Prob | Src | Notes | PuzzleConstraint satisfactionManual inspection |
| 2024 | 25 | Code Chronicle | Prob | Src | Notes | |
| 2023 | 1 | Trebuchet?! | Prob | Src | Notes | String manipulation |
| 2023 | 2 | Cube Conundrum | Prob | Src | Notes | Data structures |
| 2023 | 3 | Gear Ratios | Prob | Src | Notes | Image processing |
| 2023 | 4 | Scratchcards | Prob | Src | Notes | |
| 2023 | 5 | If You Give A Seed A Fertilizer | Prob | Src | Notes | MathematicsPuzzle |
| 2023 | 6 | Wait For It | Prob | Src | Notes | Mathematics |
| 2023 | 7 | Camel Cards | Prob | Src | Notes | Data structuresPuzzle |
| 2023 | 8 | Haunted Wasteland | Prob | Src | Notes | Period finding |
| 2023 | 9 | Mirage Maintenance | Prob | Src | Notes | Mathematics |
| 2023 | 10 | Pipe Maze | Prob | Src | Notes | Grid walkingGeometry |
| 2023 | 11 | Cosmic Expansion | Prob | Src | Notes | Puzzle |
| 2023 | 12 | Hot Springs | Prob | Src | Notes | Dynamic programming |
| 2023 | 13 | Point of Incidence | Prob | Src | Notes | Geometry |
| 2023 | 14 | Parabolic Reflector Dish | Prob | Src | Notes | Arcade gamePeriod finding |
| 2023 | 15 | Lens Library | Prob | Src | Notes | Data structures |
| 2023 | 16 | The Floor Will Be Lava | Prob | Src | Notes | Grid walkingBFS/DFS |
| 2023 | 17 | Clumsy Crucible | Prob | Src | Notes | Grid walkingDijkstra |
| 2023 | 18 | Lavaduct Lagoon | Prob | Src | Notes | Coordinate compressionGeometry |
| 2023 | 19 | Aplenty | Prob | Src | Notes | BFS/DFSGeometry |
| 2023 | 20 | Pulse Propagation | Prob | Src | Notes | BFS/DFSPuzzleManual inspectionPeriod finding |
| 2023 | 21 | Step Counter | Prob | Src | Notes | BFS/DFSPuzzleManual inspectionGeometry |
| 2023 | 22 | Sand Slabs | Prob | Src | Notes | BFS/DFS |
| 2023 | 23 | A Long Walk | Prob | Src | Notes | MazeGraph theoryBFS/DFSManual inspection |
| 2023 | 24 | Never Tell Me The Odds | Prob | Src | Notes | GeometryMathematics |
| 2023 | 25 | Snowverload | Prob | Src | Notes | Graph theoryManual inspection |
| 2022 | 1 | Calorie Counting | Prob | Src | Notes | Brute force |
| 2022 | 2 | Rock Paper Scissors | Prob | Src | Notes | Brute force |
| 2022 | 3 | Rucksack Reorganization | Prob | Src | Notes | Data structures |
| 2022 | 4 | Camp Cleanup | Prob | Src | Notes | Data structures |
| 2022 | 5 | Supply Stacks | Prob | Src | Notes | Data structures |
| 2022 | 6 | Tuning Trouble | Prob | Src | Notes | Data structures |
| 2022 | 7 | No Space Left On Device | Prob | Src | Notes | Data structuresPuzzle |
| 2022 | 8 | Treetop Tree House | Prob | Src | Notes | Memoization |
| 2022 | 9 | Rope Bridge | Prob | Src | Notes | Grid walking |
| 2022 | 10 | Cathode-Ray Tube | Prob | Src | Notes | VMManual inspection |
| 2022 | 11 | Monkey in the Middle | Prob | Src | Notes | Modular arithmetic |
| 2022 | 12 | Hill Climbing Algorithm | Prob | Src | Notes | BFS/DFSMaze |
| 2022 | 13 | Distress Signal | Prob | Src | Notes | ParsingRecursion |
| 2022 | 14 | Regolith Reservoir | Prob | Src | Notes | Physics |
| 2022 | 15 | Beacon Exclusion Zone | Prob | Src | Notes | GeometryPuzzle |
| 2022 | 16 | Proboscidea Volcanium | Prob | Src | Notes | BFS/DFSDynamic programming |
| 2022 | 17 | Pyroclastic Flow | Prob | Src | Notes | Arcade gamePeriod finding |
| 2022 | 18 | Boiling Boulders | Prob | Src | Notes | BFS/DFS |
| 2022 | 19 | Not Enough Minerals | Prob | Src | Notes | Dynamic programming |
| 2022 | 20 | Grove Positioning System | Prob | Src | Notes | Data structures |
| 2022 | 21 | Monkey Math | Prob | Src | Notes | Mathematics |
| 2022 | 22 | Monkey Map | Prob | Src | Notes | Grid walkingGeometry |
| 2022 | 23 | Unstable Diffusion | Prob | Src | Notes | Cellular automata |
| 2022 | 24 | Blizzard Basin | Prob | Src | Notes | BFS/DFS |
| 2022 | 25 | Full of Hot Air | Prob | Src | Notes | Mathematics |
| 2021 | 1 | Sonar Sweep | Prob | Src | Notes | Brute forceMathematics |
| 2021 | 2 | Dive! | Prob | Src | Notes | Grid walking |
| 2021 | 3 | Binary Diagnostic | Prob | Src | Notes | Bitwise operations |
| 2021 | 4 | Giant Squid | Prob | Src | Notes | Data structures |
| 2021 | 5 | Hydrothermal Venture | Prob | Src | Notes | Grid walking |
| 2021 | 6 | Lanternfish | Prob | Src | Notes | Dynamic programming |
| 2021 | 7 | The Treachery of Whales | Prob | Src | Notes | Mathematics |
| 2021 | 8 | Seven Segment Search | Prob | Src | Notes | Constraint satisfaction |
| 2021 | 9 | Smoke Basin | Prob | Src | Notes | BFS/DFS |
| 2021 | 10 | Syntax Scoring | Prob | Src | Notes | Data structures |
| 2021 | 11 | Dumbo Octopus | Prob | Src | Notes | BFS/DFS |
| 2021 | 12 | Passage Pathing | Prob | Src | Notes | Memoization |
| 2021 | 13 | Transparent Origami | Prob | Src | Notes | GeometryManual inspection |
| 2021 | 14 | Extended Polymerization | Prob | Src | Notes | Dynamic programming |
| 2021 | 15 | Chiton | Prob | Src | Notes | Dijkstra |
| 2021 | 16 | Packet Decoder | Prob | Src | Notes | Parsing |
| 2021 | 17 | Trick Shot | Prob | Src | Notes | MathematicsPuzzlePhysics |
| 2021 | 18 | Snailfish | Prob | Src | Notes | Data structures |
| 2021 | 19 | Beacon Scanner | Prob | Src | Notes | Image processingGeometry |
| 2021 | 20 | Trench Map | Prob | Src | Notes | Cellular automata |
| 2021 | 21 | Dirac Dice | Prob | Src | Notes | Dynamic programming |
| 2021 | 22 | Reactor Reboot | Prob | Src | Notes | Data structuresGeometry |
| 2021 | 23 | Amphipod | Prob | Src | Notes | Dijkstra |
| 2021 | 24 | Arithmetic Logic Unit | Prob | Src | Notes | VMManual inspectionPuzzle |
| 2021 | 25 | Sea Cucumber | Prob | Src | Notes | Cellular automata |
| 2020 | 1 | Report Repair | Prob | Src | Notes | Brute forceData structures |
| 2020 | 2 | Password Philosophy | Prob | Src | Notes | Brute force |
| 2020 | 3 | Toboggan Trajectory | Prob | Src | Notes | Brute force |
| 2020 | 4 | Passport Processing | Prob | Src | Notes | String manipulation |
| 2020 | 5 | Binary Boarding | Prob | Src | Notes | Puzzle |
| 2020 | 6 | Custom Customs | Prob | Src | Notes | Data structures |
| 2020 | 7 | Handy Haversacks | Prob | Src | Notes | BFS/DFS |
| 2020 | 8 | Handheld Halting | Prob | Src | Notes | VMBrute force |
| 2020 | 9 | Encoding Error | Prob | Src | Notes | Memoization |
| 2020 | 10 | Adapter Array | Prob | Src | Notes | MemoizationDynamic programming |
| 2020 | 11 | Seating System | Prob | Src | Notes | Cellular automata |
| 2020 | 12 | Rain Risk | Prob | Src | Notes | GeometryGrid walking |
| 2020 | 13 | Shuttle Search | Prob | Src | Notes | Modular arithmetic |
| 2020 | 14 | Docking Data | Prob | Src | Notes | Bitwise operations |
| 2020 | 15 | Rambunctious Recitation | Prob | Src | Notes | Brute forceData structures |
| 2020 | 16 | Ticket Translation | Prob | Src | Notes | Constraint satisfaction |
| 2020 | 17 | Conway Cubes | Prob | Src | Notes | Cellular automata |
| 2020 | 18 | Operation Order | Prob | Src | Notes | Parsing |
| 2020 | 19 | Monster Messages | Prob | Src | Notes | BFS/DFS |
| 2020 | 20 | Jurassic Jigsaw | Prob | Src | Notes | Image processingGeometry |
| 2020 | 21 | Allergen Assessment | Prob | Src | Notes | Constraint satisfaction |
| 2020 | 22 | Crab Combat | Prob | Src | Notes | Data structuresRecursion |
| 2020 | 23 | Crab Cups | Prob | Src | Notes | Data structures |
| 2020 | 24 | Lobby Layout | Prob | Src | Notes | Cellular automataGrid walking |
| 2020 | 25 | Combo Breaker | Prob | Src | Notes | Brute forceModular arithmetic |
| 2019 | 1 | The Tyranny of the Rocket Equation | Prob | Src | Notes | Brute force |
| 2019 | 2 | 1202 Program Alarm | Prob | Src | Notes | IntcodeBrute force |
| 2019 | 3 | Crossed Wires | Prob | Src | Notes | Grid walkingCoordinate compression |
| 2019 | 4 | Secure Container | Prob | Src | Notes | Brute force |
| 2019 | 5 | Sunny with a Chance of Asteroids | Prob | Src | Notes | Intcode |
| 2019 | 6 | Universal Orbit Map | Prob | Src | Notes | BFS/DFS |
| 2019 | 7 | Amplification Circuit | Prob | Src | Notes | IntcodeBrute force |
| 2019 | 8 | Space Image Format | Prob | Src | Notes | Image processingManual inspection |
| 2019 | 9 | Sensor Boost | Prob | Src | Notes | Intcode |
| 2019 | 10 | Monitoring Station | Prob | Src | Notes | Geometry |
| 2019 | 11 | Space Police | Prob | Src | Notes | IntcodeManual inspection |
| 2019 | 12 | The N-Body Problem | Prob | Src | Notes | PuzzlePeriod findingPhysics |
| 2019 | 13 | Care Package | Prob | Src | Notes | IntcodeArcade game |
| 2019 | 14 | Space Stoichiometry | Prob | Src | Notes | RecursionBinary search |
| 2019 | 15 | Oxygen System | Prob | Src | Notes | IntcodeBFS/DFSMaze |
| 2019 | 16 | Flawed Frequency Transmission | Prob | Src | Notes | PuzzleMemoization |
| 2019 | 17 | Set and Forget | Prob | Src | Notes | IntcodeGrid walkingString manipulationManual inspection |
| 2019 | 18 | Many-Worlds Interpretation | Prob | Src | Notes | DijkstraMaze |
| 2019 | 19 | Tractor Beam | Prob | Src | Notes | IntcodeGeometry |
| 2019 | 20 | Donut Maze | Prob | Src | Notes | BFS/DFSMaze |
| 2019 | 21 | Springdroid Adventure | Prob | Src | Notes | IntcodePuzzle |
| 2019 | 22 | Slam Shuffle | Prob | Src | Notes | MathematicsModular arithmetic |
| 2019 | 23 | Category Six | Prob | Src | Notes | Intcode |
| 2019 | 24 | Planet of Discord | Prob | Src | Notes | Cellular automata |
| 2019 | 25 | Cryostasis | Prob | Src | Notes | IntcodePuzzleManual inspection |
