IMHO.

Games like Not Not 2 - A Brain Challenge

If Not Not 2 - A Brain Challenge is your kind of game, the closest matches are Shifty Letters, Grannies on Wheels and Gob Loggin' — picked from the ranked list below. 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.

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About Not Not 2 - A Brain Challenge: Move Up, Down, Left or Right—easy, right? Not quite! NOT NOT 2 is a fast-paced puzzle game where you follow (or fail trying) tricky instructions before time runs out. Play solo or challenge friends in chaotic multiplayer!

2025Casual4.99 USDWindowsby Alt Shift
Not Not 2 - A Brain Challenge — Steam game cover

Players who liked Not Not 2 - A Brain Challenge also play

Steam players who put hours into Not Not 2 - A Brain Challenge 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.

  1. Shifty Letters

    WHY THIS

    Top pick for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Shifty Letters is a puzzle game where you use falling blocks to form words. Use special blocks to shift your letters or the row, rotate the whole row, or just get rid of everything touching your new word.

    StrategyCasualSteam ↗
  2. Grannies on Wheels

    WHY THIS

    Second-strongest match for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries.

    Battle it out in chaotic single screen party game where Monster Truck driving Grannies fight for jam and survival! Smash, crash, and outwit your rivals in dynamic arenas, packed with physics, mini-games, and laugh-out-loud chaos.

    2027IndieRacingSteam ↗
  3. Gob Loggin'

    WHY THIS

    Third-strongest match for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Goblin snowboard racing??? Pull off tricks to build momentum, and sabotage your opponents to get ahead. Gob Loggin' is a retro local multiplayer racing game that’s sure to create memories with friends.

    2026IndieCasualRacing4.99 USDSteam ↗
  4. Couch PVP

    WHY THIS

    Ranked #4 for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    2 to 8 players on a single screen. 11 modes you can explain in one sentence, 10 maps with dynamic events, and aim assist for newcomers. No accounts, no endless tutorial: one controller each, and everyone is playing from the very first round.

    2026ActionStrategyIndie5.94 USDSteam ↗
  5. Quacolé Tennis

    WHY THIS

    Ranked #5 for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Face the most unexpected opponents in completely crazy tennis matches. Win tournaments, overcome obstacles, and defeat giant monsters using the power of your racket! Embark on a solo adventure or invite a friend to explore the world of Quacolé Tennis in doubles matches.

    SportsIndieCasualSteam ↗
  6. GLUE BLOCKS

    WHY THIS

    Ranked #6 for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Glue falling blocks together to make clear massive lines! Survive wells of all shapes with dynamic gravity to a retro-inspired soundtrack. Play solo, local versus, or in hilarious online co-op in the same well with friends!

    2026SportsStrategyIndieSteam ↗
  7. Gravelix

    WHY THIS

    Ranked #7 for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Drop blocks that shatter into gravel particles! Connect same-colored areas across the full board width to clear them and score big. Chain reactions and combos reward strategic thinking in this retro arcade puzzler. Include also two players mode.

    2026IndieCasual6.99 USDSteam ↗
  8. Grizzy and the Lemmings - Crazy Party

    WHY THIS

    Ranked #8 for Not Not 2 - A Brain Challenge fans by collaborative filtering across millions of Steam libraries. Shares Casual with Not Not 2 - A Brain Challenge.

    Turn your living room into a chaotic playground! 50 mini-games, 1-4 players on the couch, one goal: grab the Yummy before your friends, while Grizzy does everything to ruin it.

    2026ActionCasual39.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Not Not 2 - A Brain Challenge at current Steam store prices.

  1. The Test

    WHY THIS

    Priced ~60% under Not Not 2 - A Brain Challenge on Steam right now.

    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?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  2. Blood and Bacon

    WHY THIS

    Priced ~80% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    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.

    2016ActionAdventureCasual0.99 USDSteam ↗
  3. Placid Plastic Duck Simulator

    WHY THIS

    Priced ~60% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.

    2022SimulationCasual1.99 USDDeck VerifiedSteam ↗
  4. Peggle Deluxe

    WHY THIS

    Priced ~80% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    Take your best shot with energizing arcade fun! Aim, shoot, clear the orange pegs, then sit back and cheer as 10 whimsical teachers guide you to Peggle greatness.

    2007Casual0.99 USDDeck PlayableSteam ↗
  5. shapez

    WHY THIS

    Priced ~80% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    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!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  6. The Test: Hypothesis Rising

    WHY THIS

    Priced ~60% under Not Not 2 - A Brain Challenge on Steam right now.

    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?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  7. Insaniquarium Deluxe

    WHY THIS

    Priced ~80% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    The craziest aquarium game ever! Tend to your fish, keep them happy and they'll reward you with coins and jewels. Buy tank upgrades or egg parts which hatch different in-tank pets. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank.

    2006Casual0.99 USDDeck PlayableSteam ↗
  8. Montaro

    WHY THIS

    Priced ~80% under Not Not 2 - A Brain Challenge on Steam right now. Shares Casual with Not Not 2 - A Brain Challenge.

    Montaro is a DOGE.

    2016IndieCasual0.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  2. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. Travellin Cats in Paris

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Casual with Not Not 2 - A Brain Challenge.

    Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!

    2023IndieFree To PlayCasualFreeDeck VerifiedSteam ↗
  4. Coloring Pixels

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Casual with Not Not 2 - A Brain Challenge.

    A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.

    2018IndieFree To PlayCasualFreeSteam ↗
  5. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  6. An Arcade Full of Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Casual with Not Not 2 - A Brain Challenge.

    Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.

    2023IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  7. 100 Asian Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    🏮🐈 100 Asian Cats - Join the cutest adventure in the Asia! 😻 🌸 Explore the charming hand-drawn artwork of Asian temples 🏯 as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️‍♂️❌ Can you find them all? 🕵️‍♂️🐈✅

    2023ActionSportsStrategyFreeDeck PlayableSteam ↗
  8. Floating Point

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Casual with Not Not 2 - A Brain Challenge.

    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.

    2014IndieFree To PlayCasualFreeDeck PlayableSteam ↗

Frequently asked about Not Not 2 - A Brain Challenge

How much does Not Not 2 - A Brain Challenge cost?
Not Not 2 - A Brain Challenge is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
Does Not Not 2 - A Brain Challenge have multiplayer or co-op?
Yes — Not Not 2 - A Brain Challenge supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen PvP, PvP).
What games are most similar to Not Not 2 - A Brain Challenge?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Not Not 2 - A Brain Challenge are Shifty Letters, Grannies on Wheels, Gob Loggin'.
Who developed Not Not 2 - A Brain Challenge?
Not Not 2 - A Brain Challenge was developed by Alt Shift and published by QubicGames.

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 Not Not 2 - A Brain Challenge.

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