Because the PS4 hardware lacks official backward compatibility with PS2 discs and features a completely different architecture, classic games from that era cannot simply be installed and launched via a standard USB flash drive or basic package installer.

Third, the demand is already proven. The failure of Need for Speed (2015) and Heat to capture the authentic underground aesthetic—nighttime only, deep visual customization, drag and drift circuits—has left fans starving. A PS4 PKG of Underground 2 would immediately outsell many modern racing games on the PlayStation Store, despite being two decades old. It would demonstrate to publishers that gameplay and atmosphere trump yearly franchise churn. In fact, the existence of such a PKG (even via homebrew on jailbroken PS4s) sends a market signal: “We will pay for accessible classics.”

Bringing the Legend Back: How to Make Need for Speed: Underground 2 Work on PS4

Need for Speed: Underground 2 PS4 PKG: How to Play the Racing Classic on Modern Hardware

However, if your PS4 is on standard retail firmware, you will not be able to run these package files. You will need to look into playing the game via PC emulation (using PCSX2) or playing the heavily modded native PC version for the absolute best modern experience. If you are currently setting up your console, let me know: What is your PS4 currently running?

The specific text-based .txt config file containing code optimizations written by community developers (like Kozarovv and Mrjaredbeta).

for the PS4, it is possible to play the game through the console's internal PS2 emulator using a "Fake PKG" (fPKG). This method requires a running homebrew software like GoldHEN . Playing NFSU2 on PS4 via PKG

If you notice minor visual artifacts on the asphalt textures or trails behind your taillights during night races, these are known limitations of the legacy engine profile. However, they do not impact overall stability or progress tracking.