Courthouse News reports the bank hasn't received any return on a $15 million line of credit it approved to the defendants, and in court documents claims the financial conditions of Autumn and Konami "were false at the time they were made and that defendants never had any intention of repaying the loan as promised."
"Rather than paying game-related proceeds directly to CNB as agreed, defendant have kept all game-related proceeds for themselves and have refused to remit any such proceeds to CNB."
City National Bank is seeking over $8.9 million in damages for "fraud, negligent misrepresentation, breach of contract, breach of covenant of good faith and fair dealing, money had and received, unjust enrichment, recovery of personal property, and punitive damages."
This isn't the first lawsuit the game has spawned. In March, EMI Music Group filed suit against Def Jam Rapstar creators 4mm Games and Terminal Reality, claiming the game contains unlicensed tracks by several artists.