Comparison

Radiation Island vs HAAK

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

Head to head
About

Radiation Island

Embark on a survival adventure in a vast open world, stranded in an alternate reality. Explore, craft, and fight to uncover secrets and find your way back home. Survive harsh environments, dangerous creatures, and the undead.

Highlights
  • Open-world exploration
  • Crafting and resource gathering
  • Combat against wildlife and zombies
  • Day-night cycle and weather effects
  • Underwater exploration
  • Multiplayer arena mode
Features
Read full description

Radiation Island is a survival adventure game where you craft your own destiny in a huge open world environment. As part of the Philadelphia Experiment you have become stranded in a parallel, alternate reality. Discover this new and mysterious world, with all its surprises. Use everything you find to survive it and solve its puzzle to get back to the real world. Follow your own path in an environment of breathtaking beauty and gigantic scope. Explore huge forests inhabited by dangerous wolves, bears and mountain lions. Investigate abandoned villages and old military compounds where zombies guard vital tools, weapons and clues to the secrets of this world. You can even swim and dive, if you can avoid the hungry crocodiles. Hunt wild animals, fish or gather fruits to overcome hunger. Mine for resources and craft weapons, tools and basic vehicles. Find hidden treasures, equipment and fire arms to prevail in a world full of perils: radiation, anomalies, harsh weather and enraged zombies. Experience the full day-night cycle and face the dangers of darkness and cold. Survive and beat the game to unlock multiplayer mode: fight other real players online in a closed arena for valuable resources. AMAZING QUALITY, AND IT’S ONLY ON iOS! Optimized for the iPhone 6 and 6 Plus and the new A8 processors with greater environmental detail, spectacular visual effects and unparalleled performance! Takes advantage of Metal on A7 and A8 devices to provide cutting edge graphics. GAME CENTER, AirPlay and iCloud iCloud support is integrated so players can save and share progress across devices. AirPlay lets you play the game on larger displays via Apple TV. Climb the Game Center leaderboards, challenge friends and unlock dozens of achievements. Supports iOS MFi Game Controllers. Important: iPhone 4 and older devices are not supported.

About

HAAK

Embark on a parkour-filled adventure in a vibrant pixel-art post-apocalyptic world. Utilize a versatile hookshot to swing, slash, and solve puzzles. With adjustable difficulty, multiple endings, and extensive gameplay, this experience caters to both casual explorers and hardcore players.

Highlights
  • Parkour and hookshot mechanics
  • Pixel-art Metroidvania world
  • Hidden rooms and puzzles
  • Challenging boss battles
  • Unique difficulty system
  • Multiple endings
  • Global leaderboards
Features
Read full description

HAAK: Where Dead Cells Meets Spider-Man in a Post-Apocalyptic Playground Ready to become the ultimate wasteland parkour master? HAAK throws you into a vibrant pixel-art world that's one part Mad Max, two parts Metroidvania madness. Your secret weapon? A badass hookshot that'd make even Spider-Man jealous. Swing, slash, and dash your way through a sprawling map filled with hidden rooms, brain-teasing puzzles, and bosses that'll make you question your life choices (in a good way). But don't sweat it, newbies – our unique difficulty system means everyone can feel like a hook-slinging hero. Whether you're a casual explorer or a hardcore speedrunner, HAAK's got your back. With 10+ side quests and 40+ hours of gameplay, you'll have plenty of time to perfect your hook-fu. And hey, your choices actually matter here – multiple endings mean you're not just along for the ride. Think you've got what it takes to conquer the wasteland? Prove it on our global leaderboards and show the world your hook-shot prowess! So grab your hook, channel your inner post-apocalyptic acrobat, and dive into HAAK. Trust us, it's way more fun than surviving an actual apocalypse. Ready to get hooked? Download HAAK now and start your adventure!

Screenshots

Radiation Island4 screens
HAAK4 screens

Verdict

The call

The clearest difference is rating: HAAK at 4.5 against Radiation Island's 4.3. HAAK also leads on price ($1.99 vs $4.99). Radiation Island's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (650 vs 101). On review sentiment, ads, 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

Radiation Island costs $4.99 and HAAK $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

HAAK holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Radiation Island has 650 ratings behind it against 101, so its average is the more settled of the two. Written reviews point the same way: 74% of Radiation Island's written reviews are positive against 76% of HAAK's.

UpkeepUpdate frequency

Radiation Island ships an update every 3 weeks, HAAK every 2 months. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 7 level
Radiation Island versus HAAK: the parameters behind the verdict, then further details
ParameterRadiation IslandHAAK
Price$4.99$1.99 — better
Rating4.3 (650 ratings)4.5 (101 ratings) — better
Positive reviews73.9% of reviews76.0% of reviews — better
Number of ratings650 — better101
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#190#107 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS1515.0
Further details — not scored
Size2.3 GB481 MB
Age rating12+12+
DeveloperAtypical GamesZhiXiong Huang

Customer experience

Radiation Island

All ratings649 ratings
Positive82.1%
Neutral5.4%
Negative12.5%
Written reviews1,173 reviews
Positive73.9%
Neutral8.0%
Negative18.1%

HAAK

All ratings101 ratings
Positive87.1%
Neutral4.0%
Negative8.9%
Written reviews96 reviews
Positive76.0%
Neutral5.2%
Negative18.8%

Bugs and requests

Radiation Island

Reported bugs

5 issues
  • Crashes causing loss of progress
  • Glitches with building and structures
  • Disappearing items and chests
  • Laggy performance in certain areas
  • Compatibility issues with newer iOS versions

Requested features

8 requests
  • Creative mode with unlimited resources
  • Multiplayer co-op
  • More vehicles (cars, boats, etc.)
  • Expanded crafting and building options
  • More enemy variety and difficulty
Show 3 more
  • Additional weapons (grenades, flamethrowers, etc.)
  • Weather effects (rain, storms, etc.)
  • Ability to tame animals as companions

HAAK

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Radiation Island

No in-app purchases

None

HAAK

No in-app purchases

Questions

Is Radiation Island free?
Radiation Island costs $4.99, with no in-app purchases.
Is HAAK free?
HAAK costs $1.99, with no in-app purchases.
Which has better reviews, Radiation Island or HAAK?
HAAK is rated higher. Radiation Island averages 4.3 out of 5 from 650 ratings, while HAAK averages 4.5 from 101 ratings.
Do Radiation Island or HAAK have ads?
Neither Radiation Island nor HAAK shows ads.
Which is updated more often, Radiation Island or HAAK?
Radiation Island ships an update every 3 weeks, and HAAK every 2 months. Most recently, Radiation Island was updated on October 28, 2026 and HAAK on October 26, 2026.
Which is more popular, Radiation Island or HAAK?
Radiation Island currently peaks at #190 in the App Store charts, and HAAK at #107. Chart position reflects recent download velocity rather than total install base.

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