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iO

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App ID 324070
App Type Game
Developer
Publisher Gamious
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 29522906
Last Record Update 12 June 2025 – 07:17:01 UTC ()
Release Date 5 December 2014 – 19:55:00 UTC ()
❓ 75.09%
233 reviews
0
In-Game

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 81
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
store_screenshot ss_0c4a76445f621fe2f1d8741ad1c747459c693d7a.jpg
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
clienticon a14c6dc39fd7960ee079c743440b92240f92d8b5
clienttga 3851facdd23cf5f8be69c99e0a3449a897a6af2d
icon b2dfded079a4e5ed6c6ff6885d133c03b4deb002
logo 90ef62e95149723bbaa7cae599339d6e0bf5f0de
logo_small 90ef62e95149723bbaa7cae599339d6e0bf5f0de_thumb
clienticns 23d8100227372740576f5c3d1e62cd9f4dbcc9c2
LinuxClientIcon 36b5667728f14202c00aa5bec177aea416d49d66
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.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
Trailers
256657071 ↴
trailer_nameMeet iO - Gameplay Trailer
trailer_category0
trailer_480p/video/webm256657071/movie480.webm
trailer_480p/video/mp4256657071/movie480.mp4
trailer_max/video/webm256657071/movie_max.webm
trailer_max/video/mp4256657071/movie_max.mp4
microtrailer/video/webm324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/microtrailer.webm
microtrailer/video/mp4324070/44267/e0cd86c81ec78e867a730dc6fce78b504d8abffc/1751264181/microtrailer.mp4
screenshot_medium256657071/movie.293x165.jpg
screenshot_full256657071/movie_full.jpg
trailer_base_id44267
all_agestrue
is_highlighttrue
timestamp1480588400
2035634 ↴
trailer_nameiO - the Irrisistiball version
trailer_category0
trailer_480p/video/webm2035634/movie480.webm
trailer_480p/video/mp42035634/movie480.mp4
trailer_max/video/webm2035634/movie_max.webm
trailer_max/video/mp42035634/movie_max.mp4
microtrailer/video/webm324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/microtrailer.webm
microtrailer/video/mp4324070/27712/4cfdc592f8bca311b27c8b1cb985dee6c61e0981/1751264179/microtrailer.mp4
screenshot_medium2035634/movie.293x165.jpg
screenshot_full2035634/movie_full.jpg
trailer_base_id27712
all_agestrue
is_highlighttrue
timestamp1480588406

Depots

ID Configuration Size DL.
324071 iO Content 0 B 0 B
324072 Windows iO Depot Windows 438.28 MiB 49.95 MiB
324073 Linux iO Depot Linux 452.63 MiB 53.57 MiB
324074 macOS iO Depot Mac 452.29 MiB 53.48 MiB
353200 DLC 353200iO - The Irresistiball Levels (353200) Depot 44.50 MiB 39.79 MiB

Total size on disk is 1.36 GiB and total download size is 196.79 MiB.

Total size on disk is 438.28 MiB and total download size is 49.95 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 3195361 17 October 2018 – 12:46:49 UTC

Other

Name Value
privatebranches 1
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