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iO

Wishlist Follow Ignore Install Unwatch Watch
App ID 324070
App Type Game
Developer
Publisher Gamious
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 30941291
Last Record Update 4 September 2025 – 12:05:11 UTC ()
Release Date 5 December 2014 – 19:55:00 UTC ()
❓ 74.48%
234 reviews
0
In-Game
💥 Action 🏁 Racing 🔋 Physics 🧩 Puzzle 🧩 Puzzle Platformer

iO is an abstract physics platformer about size and speed. Grow bigger and smaller in order to solve some of the trickiest puzzles. Reach the exit as quickly as possible and grab a gold medal as your reward!

Additional Information

Developer Gamious
metacritic_name iO
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher Gamious
Store Release Date 5 December 2014 – 19:55:46 UTC ()
community_hub_visible Yes
Primary Genre Action (1)
Store Genres Action (1), Indie (23), Racing (9)
Steam Release Date 5 December 2014 – 19:55:00 UTC ()
Store Asset Modification Time 4 June 2025 – 06:33:39 UTC () (1749018819)
review_score 8
review_percentage 80
Detected Technologies (?) Unity Engine
Steam Deck Compatibility
  • Steam Deck:
  • This game's launcher/setup tool may require the touchscreen or virtual keyboard, or have difficult to read text
  • All functionality is accessible when using the default controller configuration
  • This game shows Steam Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: This game's launcher/setup tool may require a touchscreen or virtual keyboard, or have difficult to read text
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 20 July 2023 – 00:00:00 UTC
  • tested_build_id: 3195361
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav1
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-8.0-2
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 17 September 2014 – 08:58:14 UTC (), in changelist #682537

Supported Languages

8 Languages Interface Full Audio Subtitles
English Yes
French Yes
Italian Yes
German Yes
Spanish - Spain Yes
Dutch Yes
Polish Yes
Portuguese - Portugal Yes

Tags

🌱 Indie 💥 Action 🏁 Racing 🔋 Physics 🧩 Puzzle 🧩 Puzzle Platformer 🏽 2D

Categories

Single-player Steam Achievements Steam Trading Cards Steam Cloud Stats Steam Leaderboards Remote Play on TV Family Sharing

Hardware Categories

Full Controller Support

Assets

Load all asset images
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logo 90ef62e95149723bbaa7cae599339d6e0bf5f0de
logo_small 90ef62e95149723bbaa7cae599339d6e0bf5f0de_thumb
clienticns 23d8100227372740576f5c3d1e62cd9f4dbcc9c2
LinuxClientIcon 36b5667728f14202c00aa5bec177aea416d49d66
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
store_screenshot ss_0c4a76445f621fe2f1d8741ad1c747459c693d7a.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
library_capsuleportrait.png
community_iconb2dfded079a4e5ed6c6ff6885d133c03b4deb002.jpg
page_background_pathapp/324070
raw_page_backgroundpage_bg_raw.jpg
timestamp4 June 2025 – 06:33:49 UTC

Trailer 44267 ↴

trailer_name Meet iO - Gameplay Trailer
trailer_category 0
trailer_480p ↴
video/webm 256657071/movie480.webm
video/mp4 256657071/movie480.mp4
trailer_max ↴
video/webm 256657071/movie_max.webm
video/mp4 256657071/movie_max.mp4
microtrailer ↴
video/webm 324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/microtrailer.webm
video/mp4 324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/microtrailer.mp4
adaptive_trailers ↴
dash_av1 324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/dash_av1.mpd
dash_h264 324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/dash_h264.mpd
hls_h264 324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/hls_264_master.m3u8
screenshot_medium 256657071/movie.293x165.jpg
screenshot_full 256657071/movie_full.jpg
all_ages true
is_highlight true
timestamp 1 December 2016 – 10:33:20 UTC

Trailer 27712 ↴

trailer_name iO - the Irrisistiball version
trailer_category 0
trailer_480p ↴
video/webm 2035634/movie480.webm
video/mp4 2035634/movie480.mp4
trailer_max ↴
video/webm 2035634/movie_max.webm
video/mp4 2035634/movie_max.mp4
microtrailer ↴
video/webm 324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/microtrailer.webm
video/mp4 324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/microtrailer.mp4
adaptive_trailers ↴
dash_av1 324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/dash_av1.mpd
dash_h264 324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/dash_h264.mpd
hls_h264 324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/hls_264_master.m3u8
screenshot_medium 2035634/movie.293x165.jpg
screenshot_full 2035634/movie_full.jpg
all_ages true
is_highlight true
timestamp 1 December 2016 – 10:33:26 UTC

Steam charts

  • 0 players right now
  • 0 24-hour peak
  • 862 all-time peak 1 April 2023
SteamDB.info

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Store data

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 237 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Very Positive
  • 74.48% SteamDB Rating
  • 188 80.3% positive reviews
  • 46 19.7% negative reviews

Sign in to see reviews chart.

Markers

Date Label 30-day Peak
5 December 2014 Steam Release -
16 February 2015 ⇄ Fanatical: Trinity Bundle -
11 March 2015 ⇄ Groupees: Kiss Bundle 5 -
25 July 2018 ⇄ Fanatical: Elemental Bundle -

Suggest new noteworthy markers in our Discord #forum.

How many players are playing iO right now on Steam?

Steam player counter indicates there are currently 0 players live playing iO on Steam.

iO had an all-time peak of 862 concurrent players on 1 April 2023.

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