Under 2GB RAM
These are lightweight but still allow open-world exploration:
1- GTA: Vice City (2002)
Classic open-world action title with excellent storytelling.
2- Mafia: The City of Lost Heaven (2002)
Story-focused open-world crime title with authentic setting.
3- The Elder Scrolls III: Morrowind (2002)
Large RPG with rich lore and exploration.
4- Need for Speed: Most Wanted (2005)
Open-world street racing with high-speed police pursuits.
5- Mount & Blade (2008)
Open-world medieval sandbox RPG with tactical battles.
6- Far Cry 2 (2008)
A realistic open-world FPS with an African environment.
7- Assassin’s Creed (2007)
The historical first open-world title in the Assassin’s Creed franchise
Under 4GB RAM
These games are slightly more resource-hungry but run well enough on low-end machines:
1- GTA: San Andreas (2004)
One of the best open-world games with limitless possibilities.
2- The Elder Scrolls IV: Oblivion (2006)
A massive open world fantasy RPG with great quests.
3- Just Cause 2 (2010)
A high-octane open-world game that features grappling hooks and explosions.
4- Assassin’s Creed II (2009)
Overall a better version of the original with enhanced parkour and narrative.
5- Sleeping Dogs (2012)
Open-world martial arts action set against a Hong Kong backdrop.
6- Far Cry 3 (2012
A tropical first-person open-world shooter with one fantastic villain in Vaas.
7- The Saboteur (2009)
An overlooked open-world game set in Paris during WWII. L.A. Noire (2011) A detective-focused open-world game with innovative interrogation mechanics.