Comparison

Galaxy Backpack Survivor vs Explosion! ROBOBOM

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

Head to head
About

Galaxy Backpack Survivor

Engage in fast-paced action RPG combat by managing your backpack and equipment. Fight swarming monsters on alien planets, optimize your gear, and clear stages in this roguelike auto-shooter experience.

Highlights
  • Survivor-style auto-shooter combat
  • Tetris-style backpack management
  • Roguelike runs with new builds
  • Permanent player and equipment upgrades
  • Offline reward collection via Patrol feature
  • Fast-paced, short session gameplay
Read full description

Survive with your backpack, anywhere! Galaxy Backpack Survivor is a fast-paced action RPG that blends survivor-style auto-shooter combat with clever backpack management. Fight swarming monsters on alien planets, organize the weapons and gear in your pack to unleash their power, and clear stage after stage. Highlights ・Snappy survival action: From start → play → results in just a few minutes. ・Intuitive “Tetris-style” backpack: Rotate, slot in, and optimize your equipment. ・Roguelike runs: Try new builds and choices every time you play. ・Cute chibi heroes and flashy effects. ・Solo-only play: No guilds or friends required. ・Perfect for short sessions: Enjoy quick bursts of achievement anytime. How to play and grow 1. Drop onto a dangerous planet (the Main Stage). 2. Dodge hordes of monsters while your weapons auto-fire at enemies. 3. Buy weapons and equipment, then place them in your Backpack. You can merge, sell, or reroll as needed. 4. Max out combinations of the same weapons and gear to trigger COMBINE evolutions and unleash powerful abilities. 5. Clear stages to unlock new areas and higher difficulty levels. Player progression & Patrol ・Use rewards earned in battle to permanently upgrade your player and equipment. ・As you upgrade, you’ll be able to tackle tougher stages and deeper builds. ・With the Patrol feature, you keep earning a trickle of rewards even while the app is closed. Log in during your spare moments, collect your loot, and prepare for the next run. Modes / Network / Events ・Mode: Solo ・Social: None (no rankings or guilds) ・Network: An internet connection is required to play. Jump in now In this survival-style action RPG, the way you arrange your backpack and combine it with player upgrades will decide whether you win or lose. Recommended for fans of roguelike auto shooters, wave defense, and horde survival games.

About

Explosion! ROBOBOM

Blast away enemies in this explosive action game. Tap to move and unleash powerful attacks, charge up for even bigger blasts, and aim for a high score. Unlock upgrades to become stronger and defeat the boss.

Highlights
  • Tap to move and attack
  • Chargeable powerful blasts
  • Fever Time for max damage
  • Unlockable upgrades
  • High score challenges
  • Boss battles
Features
Read full description

This app is a game created by new graduates of NHN PlayArt during training held from April to August 2026. ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー The explosive action game "Explosion! ROBOBOM" is here! Blow off some steam — literally. ◆ TAKE DOWN THE BAD GUYS ◆ Your beat: outer space. Team up with Robobon of the Space Police and blast the Bad Guys who are digging up stolen Space Fragments! ◆ EASY TO PLAY ◆ Wipe out as many Bad Guys as you can before Robobom runs out of energy, and go for a high score! Just tap where you want to move to unleash an explosive attack! Press and hold to charge up an even more powerful blast! During Fever Time, every hit lands for max damage! Tap like crazy for your shot at a high score! ◆ TONS TO UNLOCK ◆ Use the rewards from completed missions and the Space Fragments you take back from the Bad Guys to grow stronger and stronger! Strong enough to take down their boss...!?

Screenshots

Galaxy Backpack Survivor3 screens
Explosion! ROBOBOM4 screens

Verdict

The call

Galaxy Backpack Survivor and Explosion! ROBOBOM both sit at 4.8 stars, but that hides the real split: 100% of Explosion! ROBOBOM's written reviews are positive against 0% of Galaxy Backpack Survivor's. Explosion! ROBOBOM also leads on in-app purchases (none vs 17) and update cadence (every 2 days vs weekly). Galaxy Backpack Survivor's advantage is ads (none vs shown) and ratings volume (24 vs 1). On price, rating, device support and iOS requirement 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. Galaxy Backpack Survivor sells 17 one-off in-app purchases. Explosion! ROBOBOM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Explosion! ROBOBOM holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Galaxy Backpack Survivor has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Galaxy Backpack Survivor's written reviews are positive against 100% of Explosion! ROBOBOM's.

UpkeepUpdate frequency

Galaxy Backpack Survivor ships an update weekly, Explosion! ROBOBOM every 2 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 4 level
Galaxy Backpack Survivor versus Explosion! ROBOBOM: the parameters behind the verdict, then further details
ParameterGalaxy Backpack SurvivorExplosion! ROBOBOM
PriceFreeFree
Rating4.8 (24 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings24 — better1
Update frequencyWeeklyEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size374 MB329 MB
Age rating9+9+
DeveloperWaros Games LLC.NHN PlayArt 株式会社

Customer experience

Galaxy Backpack Survivor

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Explosion! ROBOBOM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

17 purchases

Galaxy Backpack Survivor

One-time17
  • 80 diamonds$0.99
  • Beginner Pass 1$0.99
  • Daily Pack 2$4.99
Show 14 more
  • Beginner Pass 2$4.99
  • Monthly Pass$4.99
  • Patrol Pass$4.99
  • Weekly Pack 2$6.99
  • Permanent Ad Skip Pass$9.99
  • 1200 diamonds$9.99
  • Monthly Pack 1$14.99
  • Beginner Pass 3$14.99
  • Daily Pack 4$19.99
  • Weekly Pack 3$19.99
  • 2500 diamonds$19.99
  • 6500 diamonds$49.99
  • Monthly Pack 4$99.99
  • 14,000 diamonds$99.99
None

Explosion! ROBOBOM

No in-app purchases

Questions

Is Galaxy Backpack Survivor free?
Galaxy Backpack Survivor is free to download, with in-app purchases available.
Is Explosion! ROBOBOM free?
Explosion! ROBOBOM is free to download, with no in-app purchases.
Which has better reviews, Galaxy Backpack Survivor or Explosion! ROBOBOM?
Explosion! ROBOBOM is rated higher. Galaxy Backpack Survivor averages 4.8 out of 5 from 24 ratings, while Explosion! ROBOBOM averages 5.0 from 1 ratings.
Do Galaxy Backpack Survivor or Explosion! ROBOBOM have ads?
Explosion! ROBOBOM shows ads; Galaxy Backpack Survivor does not.
Which is updated more often, Galaxy Backpack Survivor or Explosion! ROBOBOM?
Galaxy Backpack Survivor ships an update weekly, and Explosion! ROBOBOM every 2 days. Most recently, Galaxy Backpack Survivor was updated on October 24, 2026 and Explosion! ROBOBOM on October 10, 2026.

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