Version 1.2.11

- New game: Arrow Escape
- Challenger mode added to Chimp Test, Word Guess, and Animal Doku
- Nonogram is out of beta
- New Sudoku input modes (Normal/Candidate) with undo
- Takuzu: step-by-step puzzle analyzer
- Word Guess: improved word lists across English, Spanish, French, and Dutch
- Bug fixes and stability improvements
