| # | Unlocked | Locked | Name | Beschreibung | Spieler | Global |
|---|---|---|---|---|---|---|
| 1 |
|
| Cinderful | Join the Chess: The Lost Pieces discord server! | 21.6% | |
| 2 |
|
| En Passant with a Twist | Beat the story mode 1 time. Unlocks "Reversant" | 15.7% | |
| 3 |
|
| This doesn't even make sense... | Beat the story mode 2 times. Unlocks "4D Knight" | 8.1% | |
| 4 |
|
| Backrank Mates | Complete 10 puzzles | 7.7% | |
| 5 |
|
| Moves in an L Shape | Beat the story mode 3 times. Unlocks "Cavalry" | 6.9% | |
| 6 |
|
| Budget Amazon | Beat the story mode 4 times. Unlocks "Vampire" | 5.7% | |
| 7 |
|
| Least Broken Piece | Beat the story mode 5 times. Unlocks "Rifle King" | 5% | |
| 8 |
|
| Queen Sacs | Complete 20 puzzles | 4% | |
| 9 |
|
| Mate by Castling | Complete all puzzles | 1.9% |