Questions in UNDERTALE

Can someone help me make a Undertale Fangame Please I was going to name it Ultitale but welp pretty much I need help ;-;

uuuuuh guys...

If you do genocide then do hardmode pacifist then normal pacifist will you still get the ending where chara is on the surface??

hello guys so i was wonding do yal play roblox awaser the poll below but if you do here is my roblox name Sansfom9309 :v

soooooo question if you were in undertale what would your Oc look like? you can send me drawings or tell me in the chat!

What complete fangame should i check out

Ok so I'm now thinking about the flowey boss.

Guys, I'm about to make a game but it's demo also IDK HOW TO MAKE A GAME!!!!!!

Guys, I probably make alot of posts because I'm new! Can someone give me some facts or rules or Idk, thanks

So uh, since Mad Dummy's theme is basically a remix of Napstablook's theme would it be called the same as the original theme or something else?

pls awaser the question below