As great as it would be to run a Counter Strike server on Pi, it is just not possible due to the high requirements of running such game servers. Mostly, this is due to the shortfall of RAM, but some servers also require powerful processors to deliver low latency performance for all players, which could be up to 24 players per game.

In this chapter, you will be introduced to open source games that have been developed by people with a passion for a particular genre of games. These games were reverse engineered, built from scratch, or just became popular due to their simplicity.