My dream starts with me being sent to some science lab, where I seem to be good friends with the scientists. They inject some kind of drug into the side of my knee. After this the dream jumpcuts to me looking at a sort of game world map, where I can choose different missions to protect the city. But from here on out the dream kind of switches to a sort of game like Dying Light - zombies and parkout whereof I can actually access a pause menu.
Dreams involving science labs may represent experimentation, research, and exploration. This could symbolize a desire to discover new things and expand your knowledge. The injection in your knee may symbolize a sense of control or power, or a willingness to take risks in order to achieve your goals.
Choosing missions to protect the city may suggest a sense of responsibility or a desire to make a positive impact on your environment. The theme of zombies could represent a feeling of being under attack or facing a threat in your waking life. The ability to access a pause menu may indicate a desire to take a break or find a way to escape from the stress and chaos in your life.
Overall, this dream may reflect a sense of adventure and a desire to take control of your life. It could also suggest a need for balance or a desire to find a way to cope with challenging situations.