![Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted](https://pbs.twimg.com/media/EyjGEdRWEAI_Oxl.png)
Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted
![So I managed to press the third switch in the Hotland puzzle... Alphys doesn't look too happy about that. : r/softwaregore So I managed to press the third switch in the Hotland puzzle... Alphys doesn't look too happy about that. : r/softwaregore](https://preview.redd.it/rqqdczj709131.png?auto=webp&s=b5830f350e3a6a7e1b68e2a5df015dcfeb42955c)
So I managed to press the third switch in the Hotland puzzle... Alphys doesn't look too happy about that. : r/softwaregore
![Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted](https://pbs.twimg.com/media/EyjGiJAXMAAruz8.png)