Not all maps work well with bots. You need maps with "waypoints" (navigation files for the AI). Here are the top 5 maps you must download for single player:
Many single-player builds include dark fog, custom textures, and eerie soundscapes that transform the bright CS 1.6 maps into a horror survival arena. Safety and Compatibility counter strike 1.6 zombie mod single player download
When you strip away the chaos of online chat and human teammates, CS 1.6’s atmospheric maps take on a new life. Navigating the dark corridors of de_tunnels or the claustrophobic hallways of zm_foda alone, with only the sound of groaning zombies behind you, creates a genuine survival horror vibe that the competitive mode lacks. Not all maps work well with bots