I went back to Undertale in 2026 expecting a cozy nostalgia trip. What I got was a small golden flower staring through the screen like he had been waiting for me all along. Honestly, I thought I knew this game. Then Flowey tilted his head, and the Underground felt less like a memory and more like a place that keeps score.

Spoiler warning: I am going to talk about both major routes, so if you have not finished Undertale yet, maybe bookmark this and come back after your first ending. The game is old, but the sting is still fresh.

I have played the Pacifist route more than once. I like the idea of being kind in a world that expects violence. But Undertale does not let me feel smug about it. After I spared Toriel and stepped out of the Ruins, Flowey was waiting with that awful little smile. He mocked me for sparing everyone. He told me my willpower would crumble, that I would give up or start swinging eventually. In his philosophy, it is kill or be killed, and he was convinced I would prove him right.

That moment hit harder on a replay. Flowey remembered things Toriel could not. If I had killed her in a previous run, he brought it up. The Ruins seemed to hold its breath while he spoke. I sat there feeling like a child caught doing something terrible, even though the save file had already been reset. The flower remembers. That is the problem.

When I finally tried a Genocide run, the same encounter felt like a different game. Flowey recognized me immediately. He said I had no soul. He called me his old friend, and he sounded thrilled about it. I am not proud of every choice I made in that run, but Flowey made it worse by acting like we were partners. He hinted at a scheme to become even more powerful and invited me to help him tear the world apart. Look, I have played a lot of dark RPGs, but that familiar little flower calling me by another name? That gave me chills.

Route	Flowey's opening move	What I felt
Pacifist	Mocks me for sparing Toriel and warns that I will break	Judged, haunted, oddly determined
Genocide	Calls me an old friend and says I have no soul	Seen, unsettled, complicit

What I love most is how Undertale gives Flowey two completely different stories. On the Pacifist route, I learned about his past through the monsters I had befriended. Asgore's home told me about Asriel and the first human. The True Lab showed me how Alphys injected determination into golden flowers. It was creepy, sad, and fascinating all at once. I walked through that abandoned lab with my shoulders up around my ears, piecing together how this talking flower came to be.

On the Genocide route, Flowey told his own story. He described waking up in a flowerbed, scared and alone. Asgore found him, but Flowey could not understand why Asgore was so emotional. He slowly realized he had no empathy, no feelings, no soul. He discovered he could manipulate the world around him. It was tragic. I still do not forgive him for everything, but I understood him a little better. The game gently nudges me toward sympathy even when I want to stay angry.

The Pacifist route is the only way I got to see Flowey's true form. At the end, when things seemed as bad as they could get, he transformed into Asriel Dreemurr, the God of Hyperdeath. That fight was scary and spectacular. But when I stayed kind, when I refused to give up on him, he reverted to a scared, lonely child who just needed a hug. I will not pretend I did not get emotional. Helping Flowey feel something again was one of the most satisfying moments I have had with a game. Later, I went back to the start of the Ruins and saw that Asriel had changed his philosophy to 'Do not kill and do not be killed.' That tiny detail broke me a little.

The Genocide route gave me the opposite ending. There was no epic final battle with Flowey. After Sans, I was almost relieved. Then I met Asgore, and Flowey tried to warn him about me. When Asgore fell, Flowey destroyed his soul and begged me to spare him. That was the moment I realized I had become scarier than the sadistic flower. He was afraid of me. I could destroy him right there, and the game let me do it. It was a horrific conclusion to a dark playthrough, and I felt every bit of it.

There is also the strange middle ground. To get the True Pacifist ending, I had to finish a neutral run first. If I spared Flowey, he had a moment of clarity and actually helped me. He told me not to kill anyone if I had killed before. If I had been merciful, he suggested I befriend everyone I could. It was oddly sweet, coming from him. He still did not give me directions to Temmie Village, though. Some things never change.

And if I aborted a Genocide run? Flowey noticed. He criticized me at the start of the next playthrough and decided I was just toying with the Underground for fun. He was confident I would come back to wreak havoc with him soon enough. That confidence is unsettling because he is usually right.

Maybe the most haunting detail is that Flowey is always watching. Whether I was making friends or making a mess of the world, he was there. Sometimes I had to backtrack after a big story moment, and I would spot him for a second before he burrowed away. The Underground keeps its little spies. Flowey is a patient ghost with a gardener's timing, and Undertale is as much his game as it is mine.

So, in 2026, I am still thinking about that flower. I have spared him, feared him, pitied him, and wished I could forget him. He remembers every version of me. That is what makes Undertale worth replaying: not just the routes, but the way Flowey turns a simple choice into a mirror. And, you know that feeling when a game looks back at you? That is Flowey. He is always looking back.