ZEBEDEE, VIKER Launch Bitcoin Rewards For Solitaire, Sudoku Games
ZEBEDEE partnered with mobile game developer VIKER to enable play-to-earn bitcoin rewards on three classic video games: Solitaire, Sudoku and Missing Letters.

Source: Bitcoin Magazine
ZEBEDEE partnered with mobile game developer VIKER to enable play-to-earn bitcoin rewards on three classic video games: Solitaire, Sudoku and Missing Letters.