Games like Save Monarch
Games like Save Monarch include Papers, Please, DAVE THE DIVER, Stardew Valley, Touhou Mystia's Izakaya, and Graveyard Keeper. We matched them by the tags players give Save Monarch on Steam (Casual, RPG, Simulation, Point & Click, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Papers, Please
Shared: Simulation · Point & Click · Pixel Graphics

DAVE THE DIVER
Shared: Casual · Pixel Graphics · RPG

Stardew Valley
Shared: RPG · Pixel Graphics · Simulation

Touhou Mystia's Izakaya
Shared: Casual · Simulation · RPG

Graveyard Keeper
Shared: RPG · Simulation · Pixel Graphics

Emily is Away Too
Shared: Simulation · Casual · Pixel Graphics

Unpacking
Shared: Casual · Pixel Graphics · Simulation

The Test
Shared: Simulation · Pixel Graphics · Multiple Endings

Kemono Teatime
Shared: Simulation · Pixel Graphics · Casual

Emily is Away <3
Shared: Simulation · Casual · Multiple Endings

Volcano Princess
Shared: RPG · Multiple Endings · Simulation

Undertale
Shared: RPG · Pixel Graphics · Multiple Endings

My Time at Portia
Shared: RPG · Casual · Simulation

DELTARUNE
Shared: RPG · Pixel Graphics · Emotional

There Is No Game: Wrong Dimension
Shared: Point & Click · Casual · Pixel Graphics

Growing Up
Shared: Simulation · RPG · Emotional

Impostor Factory
Shared: RPG · Pixel Graphics · Emotional

Matchmaking Inc.
Shared: Casual · RPG · Multiple Endings

Chinese Parents
Shared: Casual · Simulation · RPG

That's not my Neighbor
Shared: Casual · Point & Click · Simulation

Click the Button
Shared: Casual · Simulation · Point & Click

Little Witch in the Woods
Shared: Casual · Pixel Graphics · Simulation

DRAPLINE
Shared: RPG · Simulation · Pixel Graphics

Sweet Home
Shared: RPG · Simulation · Emotional