Comparison

Space Marshals 3 vs Impossible Space

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

Head to head
About

Space Marshals 3

Embark on a story-driven sci-fi Western adventure in outer space. Engage in tactical combat and stealth gameplay, utilizing the environment and a variety of tools to outsmart space criminals. Explore a quirky narrative with a focus on strategic approaches.

Highlights
  • Story-driven adventure
  • Tactical combat
  • Stealth gameplay
  • Environmental interaction
  • Diverse weapon load-outs
  • Chapter-based release
Features
Read full description

Join the rowdy Space Marshal crew on their latest misadventure in outer space. Strap those boots on, gear up and get ready to hunt space crooks! This is a story driven action game with an emphasis on stealth and tactical combat. It continues the quirky story from the prequels, but you don't need any previous knowledge to enjoy this one. TRY BEFORE BUY Try the first couple of levels out for free before you decide if this is for you. We're a small indie studio developing this game and we'll have to release it one chapter at the time. Each chapter will be sold separately, but there won't be any other in-app purchases. We hope you'll enjoy the game! TACTICAL COMBAT Use the environment to your advantage. Avoid attacks by taking cover. Flank enemies for extra efficiency, but avoid getting flanked yourself! Use the tools of the trade to gain an edge - distractions, smoke grenades, flash bangs, traps and much more... STEALTH Choose your approach carefully. Some say running into the fray, guns blazing, isn’t always the answer. Use distractions to single out opponents. Use stealth take-downs and silenced weapons to covertly reduce the enemy numbers. Hack gun turrets to turn on their masters. Lure different enemy factions together and let them fight each other. LOAD-OUT & GEAR Choosing your load-out is a big part of your tactics. In addition to body armor and grenades you can carry one two-handed and one single-handed weapon - and there’s something for everyone. Big ones, small ones, loud ones, silenced ones, beaming ones, bouncy ones and more.

About

Impossible Space

Embark on an offline arcade adventure fighting space invaders in a hardcore RPG shooter. Explore planets, unlock weapons and abilities, and battle terrifying boss monsters to become a laser-shooting beast. Nothing is impossible in this fight for freedom.

Highlights
  • Hundreds of levels with unique monsters
  • Character skill upgrades
  • Hundreds of weapons with unique abilities
  • Equipment system for gear customization
  • Boss monster battles
Features
Read full description

An offline adventure, fight the space invaders in this hardcore RPG shooter Explore dozens of planets with hundreds of levels to find your way through the impossible gruesome space. Unlock new weapons and abilities to become stronger, faster, and much more lethal to kill all the monsters and robots that are lurking in space and out to get you! Shoot your way through the terrifying boss monsters that are just waiting to meet you face to face and stop your fight for freedom! And remember, NOTHING IS IMPOSSIBLE! Features: - Hundreds of levels, each one with its unique monsters and weapons - Upgrade your character skills to become the space freedom fighter we all need - Hundreds of various weapons, each one with its own abilities - A one of a kind equipment system that makes it easier to upgrade all warrior gear and customize your perfect fighter - Designed for both new players in the genre and hardcore shooter game players He is not a regular archer or a hero, he is a laser shooting beast with some serious firepower

Screenshots

Space Marshals 34 screens
Impossible Space4 screens

Verdict

The call

The clearest difference is rating: Impossible Space at 4.6 against Space Marshals 3's 4.1. Impossible Space also leads on iOS requirement (10.0 vs 13.0). Space Marshals 3's advantage is ads (none vs shown) and review sentiment (62% vs 39%). On price, ratings volume, in-app purchases and monetization model 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. Space Marshals 3 sells 8 one-off in-app purchases and Impossible Space sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Impossible Space holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 738 and 1.5K respectively. Written reviews complicate that: 62% of Space Marshals 3's written reviews are positive against 39% of Impossible Space's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Space Marshals 3 ships an update every 9 days, Impossible Space monthly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
Space Marshals 3 versus Impossible Space: the parameters behind the verdict, then further details
ParameterSpace Marshals 3Impossible Space
PriceFreeFree
Rating4.1 (738 ratings)4.6 (1.5K ratings) — better
Positive reviews62.3% of reviews — better39.1% of reviews
Number of ratings7381.5K — better
Update frequencyEvery 9 days — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size1.4 GB500 MB
Age rating12+12+
DeveloperPixelbiteDeemedya INC

Customer experience

Space Marshals 3

All ratings732 ratings
Positive76.2%
Neutral5.7%
Negative18.0%
Written reviews313 reviews
Positive62.3%
Neutral10.2%
Negative27.5%

Impossible Space

All ratings1,498 ratings
Positive91.5%
Neutral3.7%
Negative4.8%
Written reviews253 reviews
Positive39.1%
Neutral11.5%
Negative49.4%

User reviews

Space Marshals 3

From 738 App Store ratings

What we love

  • 🚀 Fantastic gameplay
  • 👍 Great graphics and visuals
  • 🕹️ Smooth controls
  • 🕹️ Challenging yet rewarding
  • 🕹️ Diverse play styles

Room to improve

  • 🔒 Locked content behind paywall
  • 🐛 Bugs and crashes
  • 🕹️ Repetitive mission design
  • 🕹️ Gear score system too restrictive
  • 🔋 Performance issues on some devices

Impossible Space

From 1.5K App Store ratings

What we love

  • 🚀 Great game
  • 🎨 Elegant graphics
  • 🎵 Enjoyable music
  • 👍 Fun gameplay
  • 💰 Reasonable in-app purchases

Room to improve

  • 🐛 Crashes and freezes
  • 🔍 Targeting and hit detection issues
  • 🤑 Overly grindy progression
  • 🔋 High energy consumption
  • 💸 Aggressive monetization

Bugs and requests

Space Marshals 3

Reported bugs

4 issues
  • Crashes on startup
  • Progress not saving properly
  • Audio issues
  • Compatibility problems on newer devices

Requested features

5 requests
  • Ability to unlock all content with one-time purchase
  • More varied mission objectives
  • Improved checkpoint/save system
  • Multiplayer co-op or PvP modes
  • Level editor for custom missions

Impossible Space

Reported bugs

4 issues
  • Ads causing game crashes
  • Challenges not functioning properly
  • Gear not unlocking after purchases
  • Progress loss on app closure

Requested features

5 requests
  • New levels and content updates
  • Ability to reset Arena progress
  • Option to disable ads
  • Improved weapon and gear progression
  • Better controller support

In-app purchases

8 purchases

Space Marshals 3

One-time8
  • Chapter Two$2.99
  • Bounty Pack #1$2.99
  • Unlock Chapter One$4.99
Show 5 more
  • Chapter Two$4.99
  • Chapter One$4.99
  • Chapter Three$4.99
  • Chapter One + Two bundle$7.99
  • Chapter One+Two+Three bundle$12.99
10 purchases

Impossible Space

One-time10
  • Fistful of Gems$0.99
  • Starter pack$2.99
  • Pouch of Gems$4.99
Show 7 more
  • Daily chest2 variants$4.99
  • Daily Chest2 variants$4.99
  • Winter chest$4.99
  • Headhunter lizard character$6.99
  • Special Chest$7.99
  • Battle Pass$7.99
  • Mastery starter pack$7.99

Questions

Is Space Marshals 3 free?
Space Marshals 3 is free to download, with in-app purchases available.
Is Impossible Space free?
Impossible Space is free to download, with in-app purchases available.
Which has better reviews, Space Marshals 3 or Impossible Space?
Impossible Space is rated higher. Space Marshals 3 averages 4.1 out of 5 from 738 ratings, while Impossible Space averages 4.6 from 1.5K ratings.
Do Space Marshals 3 or Impossible Space have ads?
Impossible Space shows ads; Space Marshals 3 does not.
Which is updated more often, Space Marshals 3 or Impossible Space?
Space Marshals 3 ships an update every 9 days, and Impossible Space monthly. Most recently, Space Marshals 3 was updated on October 27, 2026 and Impossible Space on October 22, 2026.

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