About Underground: World War

Underground: World War is an Action, Indie, and Early Access game developed by Underworld Interactive. It was released on the Steam Store by Underworld Interactive.

It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

According to Steam’s category system, Underground: World War supports the following features:

• Shared/Split Screen
• Co-op
• Shared/Split Screen PvP
• PvP
• Full controller support
• Multi-player
• Single-player
• Family Sharing
• Remote Play Together
• Shared/Split Screen Co-op
• HDR available
• Remote Play on TV

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Underground: World War data has been sourced from:

• Valve Corporation. (2025, December 8). Underground: World War on Steam. Steam Store.
• Valve Corporation. (2025, December 8). Underground: World War. Steam Community Hub.
• Underworld Interactive. (2024, May 23). Underground: World War. Underground: World War.