Start a game by clicking "Create Server" and selecting your desired map. Once the map loads and you have joined a team, open the console. The syntax for adding bots is very specific to the Source engine.
Launch DoD:S. Create a server. Open the console ( ~ ) and type: day of defeat source add bots
Before we dive into the technical commands, it is worth understanding why adding bots is still relevant for a game released in 2005. Start a game by clicking "Create Server" and