Undertale Remade

Undertale Remade would be a remake of Undertale (duh). It would be announced early 2021 and released in 2023. It's main feature would be the graphics overhaul and the addition of Hard Mode. It would be made by a team of 10 people to speed up the process of making the game and give Toby Fox the ability to focus on Deltarune.

The Graphics
The exploration sections would remain as updated pixel art while the battles will be drawn and fully animated.

The updated pixel art would focus on the bland backgrounds from the original and would make the foreground less repetitive. Most of the changes would apply to Hotland and Snowdin Forest. The character models would be more expressive, replacing the normal walking models being repeated for most cutscenes.

The battles will have drawn characters with simple repeating animations. The Bosses will also have actual backgrounds in their fights, while the normal enemies will still appear on the iconic black screen. The menu itself won't change a lot as the only change will come to the ITEM button, where picking an item will tell you how much HP it heals etc. (It would look like the Inverted Fate comic ITEM menu).

New Content
While Undertale Remade will focus mostly on... well remaking the original, it will also give us some new content. It will mostly be stuff Toby Fox couldn't pack in to the original because he wanted to actually release the game and not keep adding new content for eternity (-_-).

This time we will actually get to know more about the 6 humans that fell before us. Some NPCs will mention them, we will get some visual clues around the item that they left behind them.

The biggest change is the addition of Hard Mode. Every monster has more HP and deals more damage. They also drop less EXP so by the time you reach Sans on a Genocide playthrough you are only L 15. Obviously, it makes every major fight in the game way harder by adding a new mechanic to every boss and a bunch of new attacks. It's even worse on the Genocide path, since this time Toriel and Mettaton aren't one-shots. In the end Hard Mode is very much the same as the normal game. It doesn't give you much more dialogue besides the Toriel and Mettaton fight, it just gives you a harder version of the game to play.

Hope you liked my idea! Have a good day!