Play Trauma Center: Under the Knife emulator game online in the highest quality available. Trauma Center: Under the Knife is a Nintendo DS game that you can enjoy on Play Emulator. This NDS game is the US English version that works in all modern web browsers without downloading. Trauma Center: Under the Knife is part of the Simulation Games you can play here. PlayEmulator has many online retro games available including related games like Medal of Honor - Underground, Tony Hawk's Underground, and Hydro Thunder.