Comparison

OrbWorms vs Alien Attack

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

Head to head
About

OrbWorms

Experience a 3D twist on the classic slither game, set on a living planet. Eat, grow, and dominate in real-time multiplayer lobbies or offline rounds. Utilize powerups and explore a seamless 3D world with no edges.

Highlights
  • 3D slither gameplay
  • Real-time online lobbies
  • AI-filled empty slots
  • Eat and grow mechanics
  • Powerups (Forcefield, Speed, Immunity)
  • Seamless 3D planet exploration
  • Offline and online modes
Features
Read full description

OrbWorms is a 3D take on the classic slither game — set on a living planet you crawl across in real time. • ONLINE LOBBIES — Drop into a shared world with real players from around the globe. Empty slots fill with AI so there's always action. • EAT, GROW, DOMINATE — Devour glowing plants to grow longer and thicker. Cut off other worms and feast on what's left. • POWERUPS — Forcefield, Speed, Immunity, and Wide Reach. Grab the glowing gems or earn them as you play. • ONE GLOBE, NO EDGES — Slither freely across an entire 3D planet. No walls, no corners — just the curve of the world. • PLAY YOUR WAY — Jump into a quick offline round or battle live online. Climb the global leaderboard. Smooth, colorful, and easy to pick up. How long can your worm get?

About

Alien Attack

Control a rapidly evolving alien lifeform and conquer Earth. Consume humans to grow stronger, unlock new mutations, and dominate every battlefield. Upgrade your abilities and spread your alien domination across the planet.

Highlights
  • Evolve alien lifeform
  • Consume humans for energy
  • Unlock new mutations and powers
  • Action-packed battles
  • Upgrade abilities
  • Conquer world locations
Features
Read full description

Earth has become your hunting ground. Control a rapidly evolving alien lifeform, consume humans, and grow stronger with every invasion. Every battle makes you stronger. Every evolution unlocks new powers. Every city brings fresh prey. EVOLVE YOUR ALIEN Unlock powerful mutations, increase your strength, and transform into the ultimate lifeform. DEVOUR EVERYTHING Humans are your food. Hunt them down, consume them, and use their energy to grow even stronger. ACTION-PACKED GAMEPLAY Fight endless waves of enemies, destroy everything in your way, and dominate every battlefield. UPGRADE & MUTATE Discover new abilities, improve your attacks, and create unstoppable mutation combinations. CONQUER THE WORLD Invade new locations, face stronger enemies, and spread your alien domination across the planet. The invasion has begun. How far can your evolution go?

Screenshots

OrbWorms3 screens
Alien Attack4 screens

Verdict

The call

The clearest difference is rating: OrbWorms at 5.0 against Alien Attack's 3.8. OrbWorms also leads on review sentiment (100% vs 67%). Alien Attack's advantage is in-app purchases (none vs 5) and update cadence (daily vs every 6 days). 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. OrbWorms sells 5 one-off in-app purchases. Alien Attack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OrbWorms holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of OrbWorms's written reviews are positive against 67% of Alien Attack's.

UpkeepUpdate frequency

OrbWorms ships an update every 6 days, Alien Attack daily. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 4 level
OrbWorms versus Alien Attack: the parameters behind the verdict, then further details
ParameterOrbWormsAlien Attack
PriceFreeFree
Rating5.0 (3 ratings) — better3.8 (5 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings35 — better
Update frequencyEvery 6 daysDaily — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size7 MB180 MB
Age rating4+12+
DeveloperDrew DavisHAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETI

Customer experience

OrbWorms

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Alien Attack

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

5 purchases

OrbWorms

One-time5
  • 2,500 Coins$1.99
  • 7,500 Coins$4.99
  • Remove Ads$4.99
Show 2 more
  • 20,000 Coins$9.99
  • 100,000 Coins$19.99
None

Alien Attack

No in-app purchases

Questions

Is OrbWorms free?
OrbWorms is free to download, with in-app purchases available.
Is Alien Attack free?
Alien Attack is free to download, with no in-app purchases.
Which has better reviews, OrbWorms or Alien Attack?
OrbWorms is rated higher. OrbWorms averages 5.0 out of 5 from 3 ratings, while Alien Attack averages 3.8 from 5 ratings.
Do OrbWorms or Alien Attack have ads?
Both OrbWorms and Alien Attack show ads.
Which is updated more often, OrbWorms or Alien Attack?
OrbWorms ships an update every 6 days, and Alien Attack daily. Most recently, OrbWorms was updated on October 31, 2026 and Alien Attack on November 5, 2026.

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