I/O CD Key

Looking for the best price for I/O? Compare offers from 1 stores on CheckGamePrices to find the cheapest Steam key available. Right now, the lowest price is 2.99$ at Steam.

Current Lowest Price

2.99$

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Steam

2.99$

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I/O screenshot 1

Release Date

26 Jun, 2025

Publisher/Developer

CES Studio

Reviews

Steam: 0.00% positive (0/1)

Metacritic: -

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Game Tags

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

I/O Steam Price History Chart

Current Steam price: 2.99$
Lowest Steam price ever: 2.99$ — 2026-10-19 — Current low

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