In 'Musclebound Mayhem', you play as YEXPZN, a monumental bodybuilding champion with an enviable physique, adored by your 18-year-old son. Unknown to you, your son has secretly infused your meals with a revolutionary muscle growth serum—transforming you into an unstoppable force. However, the rapid changes bring unforeseen chaos in your daily life and relationships. Navigate through humorous yet dramatic scenarios, battling eccentric gym rivals, skeptical friends, and bizarre side effects of your 'mysterious diet'. Will you unveil your son’s secret and embrace or resist the ultimate physique? Or will you just flex it all away in hilariously over-the-top challenges?