When you finally beat Sans in Undertale; Feeling like an unstoppable force; When you realize you're only halfway through the game; Becoming uncertain about your abilities; When you encounter the infamous Genocide Route; Feeling a mix of curiosity and dread; When you spare everyone and choose the Pacifist Route; Embracing the power of friendship; When you discover the True Lab and the backstory; Feeling a sense of sorrow and sympathy; When you face the final boss, Asriel Dreemurr; Channeling all your determination; When you save Asriel and bring back hope; Experiencing the most heartwarming moment; When you realize there are multiple endings; Entering the world of the Genocide Route; Feeling a growing sense of unease; When you have to fight your favorite characters; Becoming conflicted and guilt-ridden; When you encounter Flowey in his true form; Feeling the weight of your actions; When you reset the game to try a different route; Wondering if you can really change fate; When you meet the enigmatic character, Gaster; Trying to unravel the mysteries of the underground; When you face the challenge of the Sans fight; Getting ready for an intense battle; When you finally achieve a perfect dodge; Feeling a surge of accomplishment; When you come across the Temmie Village; Unable to resist their adorable antics; When you encounter the Mad Dummy in battle; Struggling to contain your laughter; When you hear the iconic soundtrack; Getting instantly transported to the world of Undertale; When you witness the power of the Determination soul; Being in awe of the game's unique mechanics; When you discover the secrets of the Annoying Dog; Realizing it's Toby Fox's representation; When you meet the skeleton brothers, Sans and Papyrus; Laughing at their hilarious puns; When you interact with the various NPCs; Getting immersed in their captivating stories; When you encounter the mysterious but lovable character, Mettaton; Being entertained by his fabulous performances; When you face the challenge of the Undyne fight; Summoning all your courage to survive