Games like Duty Guvnor
Games like Duty Guvnor include Suzerain, School Days, CHANGE: A Homeless Survival Experience, The Life and Suffering of Sir Brante, and Orwell: Keeping an Eye On You. We matched them by the tags players give Duty Guvnor on Steam (Choose Your Own Adventure, Time Management, Political Sim, Espionage, and RPG): closest matches first, and among equally close ones the better-known games.

Suzerain
Shared: Choose Your Own Adventure · Political Sim · Visual Novel

School Days
Shared: Choose Your Own Adventure · Time Management · Life Sim

CHANGE: A Homeless Survival Experience
Shared: Choose Your Own Adventure · Time Management · RPG

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · RPG · Interactive Fiction

Orwell: Keeping an Eye On You
Shared: Espionage · Political Sim · Simulation

Volcano Princess
Shared: RPG · Life Sim · Visual Novel

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

Retirement Simulator
Shared: RPG · Time Management · Life Sim

Sultan's Game
Shared: RPG · Time Management · Singleplayer

The Test
Shared: Choose Your Own Adventure · Simulation · Visual Novel

Long Live The Queen
Shared: Political Sim · Visual Novel · RPG

Orwell: Ignorance is Strength
Shared: Espionage · Political Sim · Simulation

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

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

Roadwarden
Shared: RPG · Choose Your Own Adventure · Interactive Fiction

Far Away
Shared: Choose Your Own Adventure · Visual Novel · Singleplayer

Growing Up
Shared: RPG · Life Sim · Choose Your Own Adventure

Stardew Valley
Shared: RPG · Life Sim · Simulation

For the People
Shared: Choose Your Own Adventure · Political Sim · Time Management

I Was a Teenage Exocolonist
Shared: Choose Your Own Adventure · RPG · Life Sim

The Life and Suffering of Prince Jerian
Shared: RPG · Political Sim · Life Sim

Love is All Around: Echoes of Yesterday
Shared: RPG · Choose Your Own Adventure · Interactive Fiction

Magical Princess
Shared: RPG · Life Sim · Visual Novel

Mirror 2: Project X
Shared: Interactive Fiction · Visual Novel · RPG