1. Fencechallenge

2. Cubechallenge

3. Bridgechallenge
 

4. 3- Bridgeschallenge
 

5. Balustradechallenge
 

6. Stepchallenge
 

7. Doublestepschallenge
 

8. Toshi's Cubechallenge

9. Polyfencechallenge

10. Symmetric Bridgechallenge

11. CSG-Liudgerchallenge

12. Congruencechallenge

13. Tetro-fencechallenge

14. Tetro-stepchallenge

15. Tetro-cornerchallenge

16. Pentominostreetchallenge

17. Symmetry-fencechallenge

18. Stairwaychallenge

19. Hexomino-fencechallenge

20. NWD-balustrade

21. Pentopipes

22. Pento-holes

23. Classification Challenge

24. One-sided pentominoes fence

25. Similar Bridges

27.Rectangle Corners Problem

28.Split a rectangle

29.Pentomino postcard competition

30.Crossing the board

31.Maaikes 3 bridges

32.FVpento-sudoku

33. Maximal outline of a gap competition

34. 12 in a row-competition

35. Symmetry from 1 up to 12

36. Eekhout Bridges

37. Symmetrical chain

38. Split a pentomino-hedgehog

39. Pentomino-algebra

40. Symmetric Bridgechallenge

41. The island of Penteviticole

42. 8x8 Pento-Sudoku

43. Tetrobridgecompetition

44. Perimeter Competition

45. PentoSudoku with triplets

46. Two HexCube Corners

47. Magic Pento-square

48. Symmetric-competition of Popovski

49. Two holes problem

50. Anniversary Contest