Single-player games like Castello
Below are 8 single-player Steam games similar to Castello, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Castello page.
Ranked picks
- 1
Money WASTE
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Start your criminal empire on the darknet. Buy businesses, hire goons, and eliminate the competition to take control of Ocean City.
- 2
Vivat Slovakia
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Vivat Slovakia is an open-world action game set in '90s Slovakia, where corruption runs deep and law enforcement is weak. Uncover a gripping story based on true events as you explore and shoot your way through a city at the crossroads of Eastern Europe’s turbulent history.
- 3
Grand Theft Auto III
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Welcome to Liberty City. Where it all began. With stellar voice acting, a darkly comic storyline, a stunning soundtrack and revolutionary open-world gameplay, Grand Theft Auto III is the game that defined the open world genre for a generation.
- 4
Grand Theft Auto: Vice City
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Welcome to Vice City. Welcome to the 1980s. From the decade of big hair, excess and pastel suits comes a story of one man's rise to the top of the criminal pile.
- 5
Grand Theft Auto: Episodes from Liberty City
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Grand Theft Auto: Episodes from Liberty City includes both The Lost and Damned and The Ballad of Gay Tony together and does not require a copy of the original Grand Theft Auto IV to play.
- 6
Mafia II (Classic)
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
Vito Scaletta has started to make a name for himself on the streets of Empire Bay as someone who can be trusted to get a job done. Together with his buddy Joe, he is working to prove himself to the Mafia, quickly escalating up the family ladder with crimes of larger reward, status and consequence… the life as a wise guy isn’t quite as...
- 7
Mafia: Definitive Edition
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
An inadvertent brush with the mob thrusts cabdriver Tommy Angelo into the world of organized crime. Initially uneasy about falling in with the Salieri family, the rewards become too big to ignore.
- 8
Mafia
Single-player alternative to Castello — playable solo, no multiplayer required. Shares Action with Castello.
It’s 1930. After an inadvertent brush with the mafia, cabdriver Tommy Angelo is reluctantly thrust into the world of organized crime. Initially, he is uneasy about falling in with the Salieri family, but soon the rewards become too big to ignore.