Games like iO
If iO is your kind of game, the closest matches are Let's See What You Got, Great Marble Adventure and Marble Abduction! Patti Hattu — picked from the ranked list below. Reviewers single out its leaderboards fuel competitive replayability, atmospheric and challenging. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About iO: 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!
Players who liked iO also play
Steam players who put hours into iO also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Let's See What You Got
WHY THIS
Top pick for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
There's always room for improvement. Push your human tolerance to the limit with unique and challenging physic-sandbox platforming. Run on the walls. Jump off the ceilings. Swing through a dark lab. Die, a lot. The trials before you won't be easy. So, let's see what you got.
Great Marble Adventure
WHY THIS
Shares a challenging mood with iO.
Second-strongest match for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
Guide the marble in the journey through more than 50 thematic stages across three difficulties: Easy, Normal, and Hard, with various challenges in Great Marble Adventure, an unforgettable 3D ball-rolling game! Are you ready for the unforgettable marble adventure?
Marble Abduction! Patti Hattu
WHY THIS
Third-strongest match for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
Marble Abduction! is a brand new kind of rolling experience. Hand-crafted levels, intuitive and customizable controls, the highest visual quality and reliable and robust physics make for a truly out-of-this-world marbling experience!
CheeseCube
WHY THIS
Ranked #4 for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
Embark on an epic journey as a cube, mastering platformer puzzle challenges with humor and style. Glitch through platforms, uncover hidden paths, and find the quickest solution to each level. Put your skills to the test and compete globally as you aim to reach the top of the leaderboard.
Bionic Bay
WHY THIS
Shares an atmospheric mood with iO.
Ranked #5 for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
A scientist uses a unique teleportation instrument to escape an ancient biomechanical world filled with imaginative technology, deadly traps, and hidden secrets.
DEPLOYMENT
WHY THIS
Shares an atmospheric mood with iO.
Ranked #6 for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
An intense competitive top-down shooter: choose your class, capture turrets, progress, and dominate in the arena. top-down shooter, multiplayer shooter, arena shooter, class-based shooter, sci-fi shooter
Harold
WHY THIS
Ranked #7 for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
As the guardian angel-in-training assigned to watch over Harold, you’re going to need a miracle to get him safely through a series of increasingly challenging obstacle courses in one piece. Shoot lightning, delay the other racers and move heaven and earth to give Harold the boost he needs to win!
GROOVY
WHY THIS
Ranked #8 for iO fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with iO.
Groovy is a robotic sphere that exists in the abstract and crazy world of mechanisms. The game world is divided into two modes - Arcade and Survival, each of them filled with a unique environment, challenges and enemies.
Cheaper alternatives
Games in the same vein priced at least 40% below iO at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~80% under iO on Steam right now. Shares Action and Indie with iO.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
The Test
WHY THIS
Priced ~60% under iO on Steam right now. Shares Indie with iO.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~70% under iO on Steam right now. Shares Indie with iO.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~80% under iO on Steam right now. Shares Action with iO.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
STAR WARS™ Republic Commando™
WHY THIS
Priced ~50% under iO on Steam right now. Shares Action with iO.
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
shapez
WHY THIS
Priced ~80% under iO on Steam right now. Shares Indie with iO.
shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!
STAR WARS™ Jedi Knight - Jedi Academy™
WHY THIS
Priced ~50% under iO on Steam right now. Shares Action with iO.
Forge your weapon and follow the path of the Jedi Jedi Knight: Jedi Academy is the latest installment of the highly acclaimed Jedi Knight series. Take on the role of a new student eager to learn the ways of the Force from Jedi Master Luke Skywalker.
The Test: Hypothesis Rising
WHY THIS
Priced ~60% under iO on Steam right now. Shares Indie with iO.
The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with iO.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Eternal Senia
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with iO.
Thoughts and expectations ARPG
Floating Point
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with iO.
Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.
Tukoni: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with iO.
Tukoni: Prologue is a point-and-click puzzle adventure, based on a series of award-winning books by the Ukrainian artist Oksana Bula. Play as Tukoni, the forest spirits, as you meet unique characters, solve captivating puzzles, craft new items, and explore a magical world filled with kindness.
Trick & Treat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with iO.
Trick or treating in a vampire's house.Trick & Treat is a light-hearted Halloween adventure. It's about exploring and solving puzzles in a spooky atmosphere. There will be some horror elements, romance, many bad ends and a happy ending of true love.
Khimera: Destroy All Monster Girls
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with iO.
Play as Chelshia the chimera in this platforming beat-em-up adventure into the wonderful world of monster girls!
Wheelchair Wizards
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with iO.
Wheelchair Wizards is a 4 player party game where you battle your friends while upgrading your wizard.
Wires And Whiskers
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with iO.
Wires and Whiskers is a local co-op action-puzzle game where two players control a lab-engineered gerbil and its magnetic exosuit. Work together to fight mutated enemies, solve magnetic puzzles, and survive in a ruined, post-apocalyptic trench world.
Narrow it down
Head-to-head comparisons
More from Gamious
Other recommendable Steam games by Gamious, ranked by review count so the studio's hits land first.
Turmoil
WHY THIS
Shares a relaxing mood with iO.
Another title from Gamious, the studio behind iO. Shares Indie with iO.
Drill for oil like it's 1899! Turmoil offers players a visually charming, tongue-in-cheek take on the simulation genre inspired by the 19th century oil rush in North America.
Lake
WHY THIS
Shares an atmospheric mood with iO.
Another title from Gamious, the studio behind iO. Shares Indie with iO.
It's 1986 - Meredith Weiss takes a break from her career in the big city to deliver mail in her hometown. How will she experience two weeks in beautiful Providence Oaks, with its iconic lake and quirky community? And what will she do next? It's up to you.
Lines
WHY THIS
Shares a relaxing mood with iO.
Another title from Gamious, the studio behind iO. Shares Indie with iO.
Lines is an abstract ‘zen’ game experience where form is just as important as function. Place or remove Dots to initiate a colourful race that fills a drawing. The colour that dominates the race wins.
Team Racing League
WHY THIS
Another title from Gamious, the studio behind iO. Shares Racing with iO.
In this unique 3 on 3 racegame, it's up to you and your teammates to finish before the opposing team does. Mastering the high quality vehicle handling, special abilities, and optimal Team Strategy are key to win the race.
Briquid
WHY THIS
Shares a contemplative mood with iO.
Another title from Gamious, the studio behind iO. Shares Indie with iO.
Briquid is a simple yet challenging water physics puzzle game. Build bricks, remove them, or change the direction of gravity to get the water to its destination.
Frequently asked about iO
- Does iO run on Steam Deck?
- iO is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does iO cost?
- iO is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to iO?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside iO are Let's See What You Got, Great Marble Adventure, Marble Abduction! Patti Hattu.
- Who developed iO?
- iO was developed by Gamious.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on iO.
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