Tutorial: Allegro, The Game Programming Library in C/C++

• Beginners tutorial. ( offline tutorial ) programmers are advised to use this material in the beginning level.
  
• Beginners tutorial. ( online tutorial )
• Allegro API. ( pdf )
  
• How to make Pong game.( offline tutorial )
  
• Allegro Newbie Tutorial, provided with example projects for beginners. ( online tutorial )
• C and C++ Allegro tutorial. ( online tutorial )
• C++ and Allegro tutorial, provided with example projects for beginners. ( online tutorial )
• Process of making a simple game from scratch. ( online tutorial )
• Scripting and Allegro. ( online tutorial )
  
• Gillius's Programming Tutorial. ( online tutorial )
  
• Game Developing Community Network, for getting sample projects and recent updates. ( community )
• Allegro: get sample Projects,updates and advanced Tutorials Link-1.
• Allegro: get sample Projects,updates and advanced Tutorials Link-2.
• Allegro: Learning with the aid of Examples(good for Beginners). ( online )
  
• Allegro manual. ( online ). programmers are advised to use this material in the advanced level.

Here are some sample projects( Games), which might help you in beginning with allegro.

• Tic-Tac-toe. Download
  
• A 20 lines code for a small game, Tetris. Download