Mortal Kombat 4 — Highlights:
Tracking down physical copies from the 90s is expensive and difficult. Here's where to find the digital versions now: mortal kombat 1 to 4 pc games
In addition to the standalone games, there are also official collections that bundle these classics together: Mortal Kombat 4 — Highlights: Tracking down physical
It introduced weapons for each character and a 3D arena that allowed sidestepping. mortal kombat 1 to 4 pc games