About I/O

I/O is an Indie, Casual, and Early Access game developed by CES Studio. On 6/26/2025, it was released on the Steam Store by CES Studio.

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, I/O supports the following features:

• Family Sharing
• Single-player

From the Steam community, I/O has been tagged with the following user tags:

• Clicker
• Atmospheric
• Tactical
• 1990's
• Puzzle
• Grid-Based Movement
• Linear
• Retro
• Logic
• 2D Platformer
• Family Friendly
• Top-Down
• Point & Click
• Indie
• Early Access
• Casual
• Relaxing
• Singleplayer
• 2D Fighter
• 2D

Media & Sceenshots

Watch the featured video for I/O and see the latest screenshots from the Steam Store.

Related Packages

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

Discover Similar Games

Find a new game to play just like I/O 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 I/O.

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.

I/O data has been sourced from:

• Valve Corporation. (2026, April 3). I/O on Steam. Steam Store.
• Valve Corporation. (2026, April 3). I/O. Steam Community Hub.