Link to Practice Solutions

1. Battleships (Moshe Rubin)

Answer: DGDADBBBBH

2. Sudoku (Nikoli)

Answer: 985172463,197248356

3. Bag (Nikoli)

Answer: 151,212,321

4. Spot'd Differences (Serhiy Grabarchuk)

Answer: E6,F5,H5,H9,J2,L2

5. Masyu (Nikoli)

Answer: 3312,21,2112,122

6. Tapa (Ashish Kumar)

Answer: 31,21,1114

7. Regional Fences (Dave Tuller)

Answer: 31,411,24,1111

8. Kropki Loop (Ashish Kumar)

Answer: 2,21,12,3111

9. Penta Nurikabe (Serkan Yürekli)

Answer: 1231,3121,1111

10. Triangular Count (Serhiy Grabarchuk)

Answer: 27

11. Oasis (Ashish Kumar)

Answer: 3111,223,421

(click to enlarge some diagrams)

12. Smashed Sums (Michael Tang)

Answer: 2X36415X,15X43X62

13. Star Battle (Ashish Kumar)

Answer: EAFDBFBGAE

14. Penta Slitherlink (Serkan Yürekli)

Answer: VPPNN,YUUIZZZ,WTXXXL

15. Pentominous (Grant Fikes)

Answer: IVPWYFPI,LZXFWZFPVLWY

16. Skyscrapers with Floodlights (Craig Kasper)

Answer: 243615,461352

17. Double-Cross Slitherlink (Adam R. Wood)

Answer: 36,42,321,24

18. Winner's Circle (Serkan Yürekli)

Answer: RABNEWL,TRUIEA,UMEOASN

19. Penta Crisscross (Serkan Yürekli)

Answer: XAPEANBM,NORATA,FACLEAVE

20. Compass Yajilin (John Bulten)

Answer: 212,11212,122,11211

21. Crsiscross Pzuzle (Craig Kasper)

Answer: CATINPUN,INSETRWN,KAARTEET

22. Odd-Angle Sudoku (Adam R. Wood)

Answer: 986734521,861497253