One player, desperate to freely roam Marvel's Spider-Man 2's depiction of New York City as Venom once more, has found a relatively unconventional way of doing so. However, we wouldn't go so far as recommending it, requiring intentionally crashing your game during a specific story segment and nerves of steel. Vague Marvel's Spider-Man 2 SPOILERS to follow!
Redditor UnderTheHood788 outlined their method, which involves reaching a particular cutscene that has players switch to Peter. In Fidelity mode, as soon as the screen goes blank while switching, they unplugged their PS5. Fidelity mode was used as it takes longer for the game to render. Upon reloading the latest save, players get a mission without an objective called Don't Be Scared.
What you have to do next, says UnderTheHood788, is "go to an unidentified target mission/talon drone mission and wait a little bit, then it should change you to Venom. Simply reload, and it will put you at night as Venom, with crimes against hunters, the flame, thugs, and even symbiotes. You can even do bases."