Games like Melan
Games like Melan include Undertale, Volcano Princess, DELTARUNE, Stardew Valley, and Growing Up. We matched them by the tags players give Melan on Steam (RPG, Life Sim, Choose Your Own Adventure, 2D, and Mystery): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · RPG · 2D

Volcano Princess
Shared: Life Sim · RPG · Multiple Endings

DELTARUNE
Shared: RPG · Story Rich · 2D

Stardew Valley
Shared: Life Sim · RPG · Indie

Growing Up
Shared: Life Sim · RPG · Story Rich

The Test
Shared: Choose Your Own Adventure · Story Rich · Multiple Endings

Class of '09
Shared: Choose Your Own Adventure · RPG · 2D

Yes, Your Grace
Shared: RPG · Life Sim · Indie

Impostor Factory
Shared: RPG · Story Rich · 2D

鬼谷八荒 Tale of Immortal
Shared: RPG · Singleplayer · Choose Your Own Adventure

Retirement Simulator
Shared: RPG · Life Sim · Story Rich

Ten Trials of Babel: The Doppelganger Maze
Shared: RPG · Story Rich · Choose Your Own Adventure

Reigns
Shared: Life Sim · Choose Your Own Adventure · RPG

OMORI
Shared: RPG · Story Rich · Indie

The Hex
Shared: Story Rich · Mystery · Indie

My Time at Portia
Shared: RPG · Life Sim · Casual

Cyber Manhunt
Shared: RPG · Mystery · Indie

Chinese Parents
Shared: Life Sim · RPG · Casual

Banana
Shared: 2D · Singleplayer · Casual

To the Moon
Shared: Story Rich · RPG · Indie

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Story Rich · Singleplayer

Melvor Idle
Shared: RPG · Casual · 2D

CHANGE: A Homeless Survival Experience
Shared: Choose Your Own Adventure · Life Sim · RPG

OneShot
Shared: Story Rich · Indie · Singleplayer