Comparison

Mindbug Online vs Once Upon a Galaxy

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

Head to head
About

Mindbug Online

Experience a unique and streamlined card battler designed by the creator of Magic: The Gathering. This skill-based dueling game features powerful cards, fast matches, and infinite strategies with a groundbreaking mechanic that lets you control opponent creatures. It's accessible yet deeply challenging, with no pay-to-win elements.

Highlights
  • Streamlined card battler mechanics
  • Skill-based dueling
  • Groundbreaking creature control
  • Fast and intense matches
  • Infinite strategic possibilities
  • No pay-to-win
Features
Read full description

Start playing Mindbug Online today - the new ultimate card battler! Mindbug distills all the excitement of strategy card games and transforms it into the most streamlined card battler of the multiverse. Accessible and fair, yet extremely challenging and deep. Mindbug is a skill-based dueling card game that feels utterly different from all the other card games you've played before. From Richard Garfield – Creator of Magic the Gathering With Richard Garfield (Creator of Magic: The Gathering) as one of the designers, this game has been designed with more than 30 years of card game experience and combined with a groundbreaking and innovative new game mechanic. Crazy Card Abilities – OMG this is OP In Mindbug, each card is insanely powerful. There are no weak cards, and it feels like all your options are completely overpowered. Every single decision in this game matters. Turn the tables with a single move. It’s all up to you and your skill. Fast and Intense Matches A game of Mindbug can be played in less than 5 minutes, making it perfect for when you have a few minutes to spare. But don’t be fooled by its quickness – the strategic depth will blow your mind. Infinite Strategies Even though Mindbug is extremely easy to learn, the game will keep surprising you with new and exciting challenges and combos. The unique Mindbug mechanic allows you to control your opponents’ creatures and leads to unique decision-making that requires even veteran card game players to adjust their traditional playstyle. Not a collectible card game – No Pay to win! Mindbug is not a trading card game. There are no loot boxes, no random cards, and no pay-to-win. If you buy a card set, you can play with it as much as you want. What are you waiting for earthling? Show your incredible skill and turn your opponents’ strongest creatures into your own advantage! Play Mindbug Online Now!

About

Once Upon a Galaxy

Embark on a fantasy card battling adventure where you draft unique captains and their friends to complete quests. Choose your path with diverse characters and strategic gameplay. Experience a game free of ads and AI art, focusing on player choice and engaging battles.

Highlights
  • Fantasy card battling
  • Captain drafting
  • Quest completion
  • Strategic gameplay
  • No AI artwork
  • Asynchronous play
Features
Read full description

Galaxy is FREE to play, has NO ADS, uses NO AI artwork. Will you choose Dorothy as your captain and help her and friends on their journey to complete their quests? Or Dragonmother and discover what will hatch from her dragon egg? Or maybe Indiana Clones, who will "clone" your best three treasures? It's all up to you!

Screenshots

Mindbug Online4 screens
Once Upon a Galaxy4 screens

Verdict

The call

Mindbug Online and Once Upon a Galaxy both sit at 4.7 stars, but that hides the real split: 83% of Once Upon a Galaxy's written reviews are positive against 64% of Mindbug Online's. Once Upon a Galaxy also leads on ratings volume (1.4K vs 43). On price, rating, update cadence and ads 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. Mindbug Online sells 10 one-off in-app purchases and Once Upon a Galaxy sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Mindbug Online against 4.8 for Once Upon a Galaxy. That said, the two scores are not equally well evidenced: Once Upon a Galaxy has 1.4K ratings behind it against 43, so its average is the more settled of the two. Written reviews are what separate them: 64% of Mindbug Online's written reviews are positive against 83% of Once Upon a Galaxy's.

UpkeepUpdate frequency

Mindbug Online ships an update every 3 weeks, Once Upon a Galaxy fortnightly. Both last shipped on November 12, 2026.

Scorecard2 real differences · 8 level
Mindbug Online versus Once Upon a Galaxy: the parameters behind the verdict, then further details
ParameterMindbug OnlineOnce Upon a Galaxy
PriceFreeFree
Rating4.7 (43 ratings)4.8 (1.4K ratings) — better
Positive reviews63.8% of reviews83.4% of reviews — better
Number of ratings431.4K — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size1.7 GB195 MB
Age rating4+9+
DeveloperKissaki StudiosMillion Dreams Games

Customer experience

Mindbug Online

All ratings43 ratings
Positive93.0%
Neutral0.0%
Negative7.0%
Written reviews58 reviews
Positive63.8%
Neutral3.4%
Negative32.8%

Once Upon a Galaxy

All ratings1,404 ratings
Positive95.4%
Neutral1.3%
Negative3.3%
Written reviews385 reviews
Positive83.4%
Neutral5.2%
Negative11.4%

User reviews

Mindbug Online

From 43 App Store ratings

What we love

  • 🎮 Excellent game
  • ⚖️ Balanced gameplay
  • 🔍 Depth and strategy
  • 💰 Fair monetization
  • 🕹️ Enjoyable gameplay

Room to improve

  • 🐛 Bugs and glitches
  • 🕰️ Slow animations
  • 🤖 Inconsistent AI
  • 🔍 Lack of customization
  • 🔒 Poor customer support

Once Upon a Galaxy

From 1.4K App Store ratings

What we love

  • 🚀 Smooth gameplay
  • 👍 Intuitive and streamlined
  • 🎨 Charming art style
  • 🕹️ Engaging strategy
  • ⏱️ Asynchronous play

Room to improve

  • 🐛 Bugs and crashes
  • 🔁 Repetitive gameplay
  • 🔒 Locked content behind paywall
  • 🤖 Imbalanced heroes/abilities
  • 🕰️ Slow progression

Bugs and requests

Mindbug Online

Reported bugs

3 issues
  • Tutorial issues
  • Infinite battle loop
  • Purchasing issues

Requested features

3 requests
  • Ability to pick opponents
  • Faster gameplay option
  • More customization options

Once Upon a Galaxy

Reported bugs

3 issues
  • Black screen on startup
  • Infinite loading issues
  • Progression loss after updates

Requested features

5 requests
  • More hero/card variety
  • Improved tutorial and learning tools
  • Offline/save progress mode
  • Cosmetic/non-gameplay monetization
  • Competitive/ranked modes

In-app purchases

10 purchases

Mindbug Online

One-time10
  • Battlefruit Kingdom Set$8.99
  • Beyond Eternity Set$8.99
  • First Contact Set + Add-On$8.99
Show 7 more
  • Battlefruit Galaxy + Mindbugs$12.99
  • Mindbug x King of Tokyo Card Set$12.99
  • Battlefruit Kingdom + Mindbugs$12.99
  • FC Set + Mr Green$14.99
  • First Contact Bundle$14.99
  • Battlefruit + Both Mindbugs$22.99
  • FC Set + Mr Pink + Mr Green$22.99
9 purchases

Once Upon a Galaxy

One-time9
  • Welcome Bundle2 variants$4.99
  • 500 Gems$4.99
  • October 2026 Galaxy Pass$9.99
Show 6 more
  • March 2026 Galaxy Pass$9.99
  • December Galaxy Pass$9.99
  • October 2025 Galaxy Pass$9.99
  • September 2025 Galaxy Pass$9.99
  • 1,100 Gems$9.99
  • 2,300 Gems$19.99

Questions

Is Mindbug Online free?
Mindbug Online is free to download, with in-app purchases available.
Is Once Upon a Galaxy free?
Once Upon a Galaxy is free to download, with in-app purchases available.
Which has better reviews, Mindbug Online or Once Upon a Galaxy?
Once Upon a Galaxy is rated higher. Mindbug Online averages 4.7 out of 5 from 43 ratings, while Once Upon a Galaxy averages 4.8 from 1.4K ratings.
Do Mindbug Online or Once Upon a Galaxy have ads?
Neither Mindbug Online nor Once Upon a Galaxy shows ads.
Which is updated more often, Mindbug Online or Once Upon a Galaxy?
Mindbug Online ships an update every 3 weeks, and Once Upon a Galaxy fortnightly. Most recently, Mindbug Online was updated on November 12, 2026 and Once Upon a Galaxy on November 12, 2026.

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