Also see Puzzles
| Puzzle | Title | Difficulty |
| Combat 1 | Launching a Sub | * |
| Combat 2 | Joint Attack | * |
| Combat 3 | Reinforcements | * |
| Combat 4 | Scheduled Orders | * |
| Specialists 1 | The Factory | * |
| Specialists 2 | Hiring Specialists | * |
| Specialists 3 | Combat Priority | * |
| Specialists 4 | Promotion | * |
| Winning 1 | Drilling Mines | * |
| Diplomacy 1 | The Gift | * |
| Diplomacy 2 | Funding | * |
| Combat 5 | A Specialist | ** |
| Combat 6 | Sub to Sub Combat | ** |
| Specialists 5 | Global Abilities | ** |
| Specialists 6 | Electrical Output | ** |
| Winning 2 | Mining Rate | ** |
| Winning 3 | Losing a Mine | ** |
| Winning 4 | Losing a Queen | ** |
| Diplomacy 3 | Disabling Shields | ** |
| Diplomacy 4 | Captives Specialists | ** |
| Advanced 1 | Order Matters | *** |
| Advanced 2 | The Fastest Way From A to B | *** |
| Advanced 3 | Against All Odds | *** |
| Kobayashi Maru | A Test of Character | *** |
All items (4)