About 20 Days

20 Days is a Casual, Indie, and Strategy game developed by AgostonB. On 9/25/2025, it was released on the Steam Store by AgostonB.

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, 20 Days supports the following features:

• Family Sharing
• Custom Volume Controls
• Mouse Only Option
• Single-player
• Steam Achievements

From the Steam community, 20 Days has been tagged with the following user tags:

• Clicker
• Multiple Endings
• Aliens
• Story Rich
• Choices Matter
• Diplomacy
• Space Sim
• Sci-fi
• Strategy
• Indie
• Casual
• Cartoony
• Singleplayer
• 2D
• Space

Media & Sceenshots

Watch the featured video for 20 Days and see the latest screenshots from the Steam Store.

Related Packages

20 Days is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.

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Find a new game to play just like 20 Days through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to 20 Days.

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.

20 Days data has been sourced from:

• Valve Corporation. (2025, December 14). 20 Days on Steam. Steam Store.
• Valve Corporation. (2025, December 14). 20 Days. Steam Community Hub.