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Rules to Solitaire Games - 'O'

1. Obstacle Race
2. Obstacle Race II
3. Octagon
4. Octave
5. Odd and Even
6. Odessa
7. Old Arch
8. Old Carlton
9. Old Friend
10. Old Patience
11. One-Handed Solitaire
12. One234
13. One Pack
14. Only-One-Left(4x4 square) Puzzle
15. Only-One-Left (5x5 square) Puzzle
16. Open Crescent
17. Open Scorpion
18. Open Spider
19. Open Start
20. Opus
21. Order Time
22. Oscillation
23. Osmosis
24. Osmosis Solitaire
25. Osmotic Cell
26. Outback
27. Outback Patience
28. Overage