Arrow Keys: Select/Move SOUL Z: Confirm/Attack/Shoot X: Cancel/Skip/Slow down SOUL
Plot: After killing Alphys, the human continued their way to the CORE, killing the stronger monsters to compensate their loss of EXP due to Sans' warnings. Eventually they reach the end of the CORE and battles Mettaton NEO, expecting an easy battle for once. But what they don't know is that Alphys made improvements on the Human Eradication Device, giving Mettaton NEO a "2.0" version.