Link to USPC Solutions

1. Bag (Nikoli, USPC 2016)

Answer: 241,142,123,222

2. Mice (Patrick Merrell, USPC 2006)

Answer: A3,C5,D5,D6,F7,G1,H2,H5,J5,J6

3. Slitherlink (Myopia) (Andrew Parr, 2025)

Answer: 21,2431,11211

4. Play n' Play (Tawan Sunathvanichkui, USPC22)

Answer: DIPLOMA,PLACEBO

5. Pentominous (Grant Fikes, USPC 2019)

Answer: IVPWYFPI,LZXFWZFPVLWY

6. Maze Runner (Serkan Yürekli, 2025)

Answer: 15,DRURULDRDLULDLU

7. Nurikabe Loop (Serkan Yürekli, USPC'15)

Answer: 112,11,2223,221

8. Arrow Sudoku (JinHoo Ayn, 2025)

Answer: 819247563,172896354