Anna Salvatierra, 36, runs La Jaula on Av. Banzer, 6to anillo. Four arenas: paintball, gel blaster, fútbol 5, wally. Her business doesn't fail because nobody wants to play — it fails because the organizer of each group has to chase 14 friends, one by one, and 6 hours before kickoff still doesn't know if they're 8 or 16. Half-empty slots, last-minute cancellations, floodlights burning for nothing.