Massive Update Launches for Free on September 24!!

2 Sept 2025 · 10:55→11:46Add to calendar

On September 24, a massive update is coming to UNDERWARD! The update is titled: 『UNDERWARD: LASTBOSS, Genius Gyaru Doctor』!! This update, which adds the new mode “CHAOS,” is packed with so much content that you might think: “Isn’t this basically a new release?” ◆ New Mode: “CHAOS” “CHAOS” is a clear-type mode consisting of 6 floors. In addition to the existing abandoned hospital, three new maps wi…

Type

In-game event

On Steam

On Steam ↗