Unlock Spike:
After beating the game and collecting all 297 monkeys, go to the Main Menu, highlight "New Game" and press L1+Start.
Thanks to Revolution reader Twister!

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?