IOO: Survive 100 Days in a Procedurally Generated Pixel World

7/6/2026, 10:45:05 AM

Release date: 10/3/2023

Tags: #adventure #sandbox #walking-simulator #exploration #hidden-object #immersive-sim #solitaire #2d

User Reviews

Score: 0%1 user reviews
Review Count: 1 reviews
Fetched At: 7/6/2026, 10:45:06 AM

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥120
Global Price: $0.99
Sale Status: Regular pricing
Price Checked At: 7/6/2026, 10:45:04 AM

Key highlight

IOO is a single-player pixel-art adventure where you explore a procedurally generated world, aiming to survive 100 days by gathering resources and trading with villages. Enjoy a player-paced experience with daily saves.

Who this is for

IOO offers a unique and relaxing survival experience in a procedurally generated pixel world, perfect for players who enjoy exploration and a gentle pace.

Details

Overview

IOO is a charming single-player adventure that invites players into a procedurally generated world rendered in minimalist pixel art. Developed and published by Studio Fisch, this game focuses on exploration and survival, challenging you to last 100 in-game days. The core gameplay loop involves gathering rare resources across 30 distinct biomes, managing your needs, and interacting with the environment and its inhabitants.

Highlights

Procedurally Generated Exploration: Discover a unique, ever-changing world with 30 different biomes to explore, each offering distinct challenges and resources.
Survival and Resource Management: Your primary goal is to survive for 100 days, requiring careful gathering of rare materials and strategic trading with isolated villages.
Player-Paced Experience: Enjoy the game at your leisure, with the ability to save progress daily by sleeping and choosing how many in-game days to play at once.

Who It's For

This game is perfect for players who enjoy a relaxed yet engaging survival experience. If you appreciate minimalist pixel art, the thrill of exploration in a procedurally generated world, and a game that respects your time by allowing you to play at your own pace, IOO should be on your radar.Check the review panel on this page or the Steam listing for the latest user review trend.

Game Info

IOO offers a unique blend of sandbox, walking simulator, and hidden object mechanics within an exploration-focused adventure. The game supports a wide array of languages, ensuring accessibility for a global audience. Developed and published by Studio Fisch, it provides a peaceful yet challenging experience for those looking to immerse themselves in a handcrafted pixel world.