Comparison

Alien Tentacles vs Octopus

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

Head to head
About

Alien Tentacles

Control a tentacled alien in a fast-paced survival adventure. Use powerful tentacles to defeat waves of enemies and dodge incoming fire. Experience pulse-pounding gameplay as you guide the alien to victory.

Highlights
  • Tentacle combat mechanics
  • Wave-based enemy encounters
  • Bullet dodging gameplay
  • Fast-paced action
  • Survival challenge
Features
Read full description

Experience the thrilling adventure of a tentacled alien as it fights to survive against waves of deadly enemies. Using its powerful tentacles, the alien must defeat enemies while avoiding the constant barrage of bullets fired by its opponents. With fast-paced action and pulse-pounding gameplay, this action game will keep you on the edge of your seat as you guide the alien to victory. Are you ready to face the ultimate test of survival?

About

Octopus

Command an octopus to dominate the underwater world by catching fish and evolving its abilities. Engage in epic battles against predators and other sea creatures to expand your influence and conquer new locations. This idle survival RPG offers a deep-sea adventure with strategic upgrades and stunning visuals.

Highlights
  • Evolve octopus for new abilities
  • Catch fish and challenge predators
  • Upgrade capacity, speed, and radius
  • Create an army of sea creatures
  • Progress through levels and quests
  • Unlock new underwater locations
Features
Read full description

Plunge into the depths and dominate the underwater world in this addictive Octopus RPG idle survival game. Command an octopus seeking supremacy, expanding its influence by catching every idle fish. But beware – formidable predators lurk in the deep, ready to challenge your ascent. Adapt and evolve to conquer the ocean and emerge victorious! Conquer for eternal evolution: Become the ultimate octopus overlord by capturing each idle fish and evolving. Strengthen your octopus's abilities, attack speed, and catch radius to devour prey more efficiently. Ensure no fish escapes your grasp! Face mighty predators: Epic underwater battles test your strategic skills. Only the strongest octopuses survive and thrive. Can you emerge victorious in these survival games? This is the Ocean Odyssey: Idle RPG game, and you are the main character - unleash your full power! Engage in epic underwater battles: Isolation is not an option in your reef. Different sea creatures plan to challenge your reign, fearing your powerful evolution. Always upgrade your skills, grow your octopus, and catch them all – your mission will be rewarded! FEATURES: EVOLVE your octopus for new abilities and dominance. CRUSH waves of fish, challenge mighty predators. UPGRADE capacity, speed, and radius for efficiency. CREATE your own army of sea creatures. PROGRESS through levels by completing quests. UNLOCK new underwater locations and face untamed enemies. IMMERSE yourself in stunning visuals and sound. No need to search for more ocean games – find the octopus power within you, defend your reef against every enemy, and emerge as a victorious survivor! Dominate or be defeated by the marine crowd evolution – download Octopus now, the only survival RPG offline idle game you'll endlessly enjoy, and assert aquatic dominance!

Screenshots

Alien Tentacles3 screens
Octopus4 screens

Verdict

The call

The clearest difference is rating: Octopus at 3.0 against Alien Tentacles's 1.0. Octopus also leads on in-app purchases (none vs 2) and update cadence (every 9 days vs every 8 months). On price, ratings volume, ads and device support 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. Alien Tentacles sells 2 in-app purchases, starting at $19.99 per month. Octopus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Octopus holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Alien Tentacles ships an update every 8 months, Octopus every 9 days. The most recent releases landed on September 7, 2026 and July 6, 2026 respectively.

Scorecard4 real differences · 5 level
Alien Tentacles versus Octopus: the parameters behind the verdict, then further details
ParameterAlien TentaclesOctopus
PriceFreeFree
Rating1.0 (1 ratings)3.0 (2 ratings) — better
Number of ratings12 — better
Update frequencyEvery 8 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size152 MB145 MB
Age rating12+9+
DeveloperFRIENDLY APPS LTDIdle Duck, d.o.o.

Customer experience

Alien Tentacles

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Octopus

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Alien Tentacles

Subscriptions2
  • All Bundle Features Unlocked!$19.991 Month
  • All AppCentral Games Unlocked!$39.991 Month
None

Octopus

No in-app purchases

Questions

Is Alien Tentacles free?
Alien Tentacles is free to download, with in-app purchases available.
Is Octopus free?
Octopus is free to download, with no in-app purchases.
Which has better reviews, Alien Tentacles or Octopus?
Octopus is rated higher. Alien Tentacles averages 1.0 out of 5 from 1 ratings, while Octopus averages 3.0 from 2 ratings.
Do Alien Tentacles or Octopus have ads?
Both Alien Tentacles and Octopus show ads.
Which is updated more often, Alien Tentacles or Octopus?
Alien Tentacles ships an update every 8 months, and Octopus every 9 days. Most recently, Alien Tentacles was updated on September 7, 2026 and Octopus on July 6, 2026.

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