It's a jailbreak, from both inside and out, as the Mario siblings fight to reunite! Cool Hand Luigi explains collective bargaining to a literal captive audience, and Portia and Mario team up to sneak (or whatever Mario is doing) inside Bowser's castle to free their sibling from his lasagna lockdown.
The soundtrack for Roleplay Retcon does Super Mario Bros. (the Movie!) features music by Challenger Deep!
W.O.I.N. RPG system by Russ Morrissey and Mike Myler.
"Imagiro," Cerulean Glow," "Immersive," "The Start of Something New," and "Fingerprints" by Challenger Deep
Cover of "Beware the Forest's Mushrooms" by Chris Holland; original by Yoko Shimomura.
"Geno Awakens" by Yoko Shimomura
Original "Super Mario Bros." score by Alan Silvestri.