Maximum Party Spirit!
Hidden
Maximum Party Spirit! is a hidden achievement in Outbound. Triggered by reaching "triggered-festival-site-1", "triggered-festival-site-2", "triggered-festival-site-3", "triggered-festival-site-4", "triggered-festival-site-6", "triggered-festival-site-8", "triggered-festival-site-9", "triggered-festival-site-10", "triggered-festival-site-11", "triggered-festival-site-12", "triggered-festival-site-13", "triggered-festival-site-14", "triggered-festival-site-15", "triggered-festival-site-16", "triggered-festival-site-17" milestones.