add Game1: Bunnies and Badgers, in https://github.com/CharlesPikachu/Games/tree/master/Game1
Version: v0.1
Reference: https://www.raywenderlich.com/24252/beginning-game-programming-for-teens-with-python
add Game2: Pikachu Go Go Go, in https://github.com/CharlesPikachu/Games/tree/master/Game2
Version: v0.1
add Game3: Puzzle pieces, in https://github.com/CharlesPikachu/Games/tree/master/Game3
Version: v0.1
add Game4: Skier, in https://github.com/CharlesPikachu/Games/tree/master/Game4
Version: v0.1
add Game5: Tank War, in https://github.com/CharlesPikachu/Games/tree/master/Game5
Version: v0.1
add Game6: FlappyBird, in https://github.com/CharlesPikachu/Games/tree/master/Game6
Version: v0.1
add Game7: T-Rex Rush, in https://github.com/CharlesPikachu/Games/tree/master/Game7
Version: v0.1
add Game8: Tower Defense, in https://github.com/CharlesPikachu/Games/tree/master/Game8
Version: v0.1
add Game9: Catch apples and coins, in https://github.com/CharlesPikachu/Games/tree/master/Game9
Version: v0.1
add Game10: Aircraft war, in https://github.com/CharlesPikachu/Games/tree/master/Game10
Version: v0.1
add Game11: Tetris, in https://github.com/CharlesPikachu/Games/tree/master/Game11
Version: v0.1
add Game12: Sokoban, in https://github.com/CharlesPikachu/Games/tree/master/Game12
Version: v0.1
add Game13: Alien Invasion, in https://github.com/CharlesPikachu/Games/tree/master/Game13
Version: v0.1
add Game14: Pacman, in https://github.com/CharlesPikachu/Games/tree/master/Game14
Version: v0.1
add Game15: GemGem, in https://github.com/CharlesPikachu/Games/tree/master/Game15
Version: v0.1
Reference: http://inventwithpython.com/pygame
add Game16: 24 point, in https://github.com/CharlesPikachu/Games/tree/master/Game16
Version: v0.1
add Game17: Pingpong, in https://github.com/CharlesPikachu/Games/tree/master/Game17
Version: v0.1
add Game18: Breakout clone, in https://github.com/CharlesPikachu/Games/tree/master/Game18
Version: v0.1
add Game19: Bomber Man, in https://github.com/CharlesPikachu/Games/tree/master/Game19
Version: v0.1
add Game20: Maze, in https://github.com/CharlesPikachu/Games/tree/master/Game20
Version: v0.1
update Game5: tank war, in https://github.com/CharlesPikachu/Games/tree/master/Game5
Version: v0.2
add Game21: Whac A Mole, in https://github.com/CharlesPikachu/Games/tree/master/Game21
Version: v0.1
update Game6: FlappyBird, in https://github.com/CharlesPikachu/Games/tree/master/Game6
Version: v0.2
add Game22: Gobang, in https://github.com/CharlesPikachu/Games/tree/master/Game22
Version: v0.1
update Game1: Bunnies and Badgers, in https://github.com/CharlesPikachu/Games/tree/master/Game1
Version: v0.2
update Game3: Puzzle pieces, in https://github.com/CharlesPikachu/Games/tree/master/Game3
Version: v0.2
add Game23: 2048, in https://github.com/CharlesPikachu/Games/tree/master/Game23
Version: v0.1
add Game24: Greedy Snake, in https://github.com/CharlesPikachu/Games/tree/master/Game24
Version: v0.1