New games:
- Chain Reaction: add orbs until cells burst and chain across the board, 2 to 4 players on one phone or against bots
- Ludo: roll, capture and race your tokens home, a quick or a full game, 2 to 4 players or against bots
Bug fixes:
- Closing a result with X no longer leaves an empty board: a bar offers the result and the next level
Improvements:
- Battleship: a hit gives another shot (you can switch it off)
