Heya, this is a basic tutorial on how to mod Undertale, along with any other Game maker game. It shows off some basic stuff like importing sprites, sounds, adding custom dialog, and making a FULL cutscene!
Thumbnail from:
https://gamebanana.com/tuts/13972
IF YOU HAVE ANY QUESTIONS, JOIN THE UNDERMINERS DISCORD:
/ discord
Timestamps:
00:00 Intro
01:51 Opening data.win
03:00 Making new sprites
05:40 New NPC
07:54 The dialog itself
11:58 Testing the NPC
15:36 CUTSCENE
33:45 Underminers Discord
36:00 Outro