Comparison

Challenge Go vs Game Brain

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Challenge Go

Navigate diverse environments, from forests to space, by fighting through levels to reach the portal. Utilize items to overcome obstacles and progress through 100 challenging stages.

Highlights
  • Tile-based action/puzzle gameplay
  • Diverse environments (forests, space, ruins)
  • Item usage for progression
  • 100 challenging levels
  • Portal-based level progression
Features
Read full description

Challenge Go (aka Challengo / Ray's Challenge) is an action/puzzle game set in an expansive world, inspired by classic block-pushing games like Chip's Challenge and Sokoban. Originally released in 2006, it was quickly featured on the YoYoGames Sandbox where it went on to receive over 30,000 unique downloads. It has since gone through numerous major developments. The latest revamp adds touchscreen controls and sees its expansion to additional platforms. An online high-score system per level allows you to compete against others for the best time. Secrets galore including cheat codes and hidden areas. The goal in Challenge Go is simple: fight your way through each level to the portal to reach the next area. Get lost in forests, swamps, deserts. Walk over the sky in ever-changing weather and light, and even navigate the depths of space. Sneak through cursed ruins, war zones, dark labyrinths and haunted houses. Use items to run faster, open doors, pass hazards, and destroy. 100 levels total to challenge even the most dexterous.

About

Game Brain

Engage in daily logic puzzles and brain training exercises. This app offers a variety of classic puzzle types with progressive difficulty levels to sharpen your logic, memory, and focus.

Highlights
  • Daily Puzzle Challenge
  • Multiple Puzzle Types (Hanji, Minesweeper, Hashi, etc.)
  • Brain Training (Logic, Memory, Focus)
  • Progressive Difficulty
  • Simple and Clean Design
  • Track Progress
Features
Read full description

Love logic puzzles? Game Brain brings together classic brain games in one app. Play Flow, Hanji (Nonogram/Picross), Hashi (Bridges), Slitherlink, and Minesweeper with hundreds of handcrafted puzzles, plus a brand-new Daily Bonus Puzzle every day. Whether you're looking for relaxing puzzle games, challenging logic games, or daily brain training, Game Brain has something for every puzzle fan. Five Classic Logic Puzzle Games Flow Link matching colors to fill the board without crossing paths. Hanji (Nonogram/Picross) Reveal fill a grid using logic alone. Hashi (Bridges) Connect islands with bridges to complete one island chain Slitherlink Draw a single looping path around the grid using number clues. Minesweeper The timeless strategy puzzle you know and love. Daily Bonus Puzzle Come back every day for a brand-new bonus challenge. The Daily Bonus Puzzle features Akari (Light Up), a classic logic puzzle where you place lights to illuminate the entire grid while avoiding overlapping beams. Keep your streak alive, sharpen your logic skills, and enjoy a fresh puzzle every day. Features • Five classic logic puzzle games in one app • New Daily Bonus Puzzle every day • Daily Akari (Light Up) challenges • Hundreds of handcrafted puzzles • Multiple difficulty levels for beginners and experts • Helpful hints when you get stuck • Track your daily streak and progress • Clean, simple interface designed for focused gameplay • Regular updates with new puzzles and features Whether you're a fan of Flow, Hanji (Nonogram/Picross), Hashi (Bridges), Minesweeper, Slitherlink, Akari, or simply love brain games and logic puzzles, Game Brain is your all-in-one destination for relaxing and rewarding puzzle solving. Download Game Brain today and put your logic skills to the test!

Screenshots

Challenge Go4 screens
Game Brain4 screens

Verdict

The call

The clearest difference is ads: Challenge Go at none against Game Brain's shown. Challenge Go also leads on monetization model (free vs ad-supported) and device support (4 vs 1). Game Brain's advantage is ratings volume (7 vs 2). On price, rating, review sentiment and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Challenge Go against 5.0 for Game Brain. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Challenge Go ships an update every 10 days, Game Brain weekly. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
Challenge Go versus Game Brain: the parameters behind the verdict, then further details
ParameterChallenge GoGame Brain
PriceFreeFree
Rating5.0 (2 ratings)5.0 (7 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings27 — better
Update frequencyEvery 10 daysWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS10 — better16.4
Further details — not scored
Size188 MB76 MB
Age rating4+4+
DeveloperConnor HawkeGeoffrey Brandt

Customer experience

Challenge Go

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Game Brain

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Challenge Go

No in-app purchases

None

Game Brain

No in-app purchases

Questions

Is Challenge Go free?
Challenge Go is free to download, with no in-app purchases.
Is Game Brain free?
Game Brain is free to download, with no in-app purchases.
Which has better reviews, Challenge Go or Game Brain?
Challenge Go and Game Brain are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.
Do Challenge Go or Game Brain have ads?
Game Brain shows ads; Challenge Go does not.
Which is updated more often, Challenge Go or Game Brain?
Challenge Go ships an update every 10 days, and Game Brain weekly. Most recently, Challenge Go was updated on October 20, 2026 and Game Brain on October 22, 2026.

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