Games like Merchant
Games like Merchant include Graveyard Keeper, IdleOn - The Incremental MMO, Banana, Stardew Valley, and DAVE THE DIVER. We matched them by the tags players give Merchant on Steam (RPG, Free to Play, Pixel Graphics, Simulation, and Casual): closest matches first, and among equally close ones the better-known games.

Graveyard Keeper
Shared: RPG · Pixel Graphics · Simulation

IdleOn - The Incremental MMO
Shared: Free to Play · RPG · Pixel Graphics

Banana
Shared: Free to Play · Casual · Incremental

Stardew Valley
Shared: Pixel Graphics · RPG · Simulation

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Management

Cookie Clicker
Shared: Casual · Pixel Graphics · Incremental

TBH: Task Bar Hero
Shared: Free to Play · Pixel Graphics · RPG

Potion Craft: Alchemist Simulator
Shared: Simulation · Crafting · Management

Touhou Mystia's Izakaya
Shared: Pixel Graphics · RPG · Simulation

Weapon Shop Fantasy
Shared: RPG · Simulation · Pixel Graphics

Game Dev Tycoon
Shared: Simulation · Management · Casual

Dragon Cliff
Shared: RPG · Pixel Graphics · Casual

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Management

Swag and Sorcery
Shared: RPG · Pixel Graphics · Management

Travellers Rest
Shared: Pixel Graphics · RPG · Management

Idle Champions of the Forgotten Realms
Shared: Free to Play · RPG · Management

My Time at Portia
Shared: RPG · Simulation · Casual

Trove
Shared: Free to Play · Pixel Graphics · RPG

Startup Company
Shared: Simulation · Management · Casual

Holy Potatoes! A Weapon Shop?!
Shared: Simulation · Management · Casual

The Escapists
Shared: Pixel Graphics · Simulation · Crafting

Where Winds Meet
Shared: Free to Play · Singleplayer · RPG

Shop Titans
Shared: Crafting · Management · RPG

Gas Station Simulator
Shared: Simulation · Management · Casual