I’ve been —told— asked by my employer to run a team building day for my colleagues. I’m not really a team building kind of person - I’m more of a ‘leave me alone to do my work’ kind of person.
The internet is giving me tedious sounding ball games and get-to-know-yous and I think my stressed colleagues may actually kill and eat me if I try some of the enthusiastic things I’ve read about. 
Help please! What team building games have you done that you genuinely enjoyed? I just want them to have fun and go away feeling it wasn’t as bad as they thought it would be...
Zero budget by the way. Just people, a big room or outdoors (weather dependant) and whatever resources I can drum up.