Comparison

Immortal Arena vs Pendemonium

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

Head to head
About

Immortal Arena

Command an army of skeletons in this idle strategy game. Summon, upgrade, and deploy your undead forces to battle humanity. Open chests for powerful loot and enjoy rewards even when offline.

Highlights
  • Summon and upgrade undead army
  • Open chests for loot and upgrades
  • Strategic battles against human forces
  • Idle gameplay with offline rewards
  • Dark-fantasy world exploration
Features
Read full description

Eternal Legion: Rise of the Undead Command an army of the undead in this thrilling idle game! In Eternal Legion, you’ll build your legion of skeleton warriors, strategize their movements, and watch as they clash with humanity in epic battles. Are you ready to lead your skeletal army to victory? Unleash the Undead Army Summon skeleton soldiers and craft the ultimate legion. Each unit brings unique skills and strengths to the battlefield. Upgrade your troops to dominate your enemies and spread the reign of terror! Open Chests, Unlock Power! Loot isn’t just treasure; it’s your key to victory! Discover powerful weapons, rare artifacts, and game-changing upgrades hidden within chests. Every chest is a surprise waiting to transform your army. Strategic Battles Await The human forces won’t go down without a fight! Strategize and deploy your units wisely to counter their defenses. Watch as your brilliant tactics turn the tide of war in your favor. Idle Fun, Endless Rewards Too busy to lead the charge? No problem! Your skeleton army fights for you even when you’re offline. Log back in to collect rewards, upgrade your forces, and prepare for the next conquest. Features at a Glance Summon, upgrade, and deploy an undead army! Open chests to discover rare and powerful loot! Plan your strategy and crush human resistance! Enjoy idle gameplay with rewards waiting for you! A visually stunning, dark-fantasy world to explore! Join the undead uprising in Eternal Legion and prove your strategic genius. Humanity’s days are numbered – the rise of the skeletons has begun! Download now and start your conquest!

About

Pendemonium

Features
Read full description

Pendemonium: Swing, Collect, and Conquer! Get ready for the ultimate arcade adventure with Pendemonium, an exciting and fast-paced mobile game that will keep you swinging and swerving through challenging obstacles! Test your reflexes, timing, and strategy as you control a pendulum and navigate through endless hazards, traps, and treasures. It's a game of skill, focus, and fun – one swing at a time! How to Play? In Pendemonium, you control the length of a pendulum by simply dragging your finger down the screen. Your goal is to navigate through various obstacles, collect as many stars as you can, and avoid the walls that appear along your path. It sounds simple, but don’t be fooled – each swing brings new challenges. As you progress, the speed increases, obstacles become trickier, and the tension builds. Can you master the pendulum and beat your highest score? Key Features • Easy-to-Learn, Hard-to-Master: The controls are simple: just drag to control the pendulum’s length. But mastering the timing and precision required to collect stars while avoiding obstacles is a true test of your skills. • Endless Gameplay: The game offers endless fun with randomly generated levels that ensure no two swings are ever the same. Every playthrough is a new challenge! • Collect Stars: Stars are your prize for perfect swings and skillful navigation. Collect them to increase your score and unlock the next challenge. • Smooth Gameplay: The fluid mechanics and satisfying feedback make each swing feel rewarding. The more you play, the more you’ll improve your skills – and the more you’ll want to keep swinging! • Stunning Visuals: The minimalist art style allows for increased focus and an almost meditative flow state. Tips for Mastery • Timing is Key: The longer your pendulum, the more swing you’ll have, but be careful – it’s all about timing. • Keep Calm and Swing On: As the game speeds up, it’s easy to panic. Stay calm, focus, and use your reflexes to outsmart the challenges in your way. • Use the Stars: Stars can help you track your progress and provide a sense of accomplishment. Try to collect as many as possible! Why Play Pendemonium? Pendemonium is perfect for casual gamers who love a quick, engaging challenge. The simple gameplay keeps you coming back for more, while the increasing difficulty keeps you on your toes. Whether you’re looking for a quick pick-up-and-play experience or something to pass the time, Pendemonium is always ready to offer fun, fast-paced action that’s easy to pick up but hard to put down. Endless Fun Awaits! So, what are you waiting for? Step into the world of Pendemonium, where every swing is a new adventure, and every moment is a chance to improve your skills. Collect stars, dodge obstacles, and keep swinging higher and faster to beat your high score. Are you ready to conquer the pendulum?

Screenshots

Immortal Arena4 screens
Pendemonium4 screens

Verdict

The call

The clearest difference is in-app purchases: Pendemonium at none against Immortal Arena's 10. Pendemonium also leads on ads (none vs shown). Immortal Arena's advantage is update cadence (every 8 days vs every 8 months). On price, 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. Immortal Arena sells 10 one-off in-app purchases. Pendemonium asks for nothing beyond the download.

UpkeepUpdate frequency

Immortal Arena ships an update every 8 days, Pendemonium every 8 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Immortal Arena versus Pendemonium: the parameters behind the verdict, then further details
ParameterImmortal ArenaPendemonium
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 8 days — betterEvery 8 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size279 MB71 MB
Age rating12+4+
DeveloperLink EaseInfinite Crayfish LLC

In-app purchases

10 purchases

Immortal Arena

One-time10
  • Hero Gift 1$0.99
  • Skill Benefit Package I$0.99
  • Rune Benefit Package I$0.99
Show 7 more
  • Tech Benefit Package I$0.99
  • Skill Benefit Package II$3.99
  • Rune Benefit Package II$3.99
  • Tech Benefit Package II$3.99
  • Ad-Free Pass$8.99
  • Weekly Legion Pack$8.99
  • AD Free Benefit Package$8.99
None

Pendemonium

No in-app purchases

Questions

Is Immortal Arena free?
Immortal Arena is free to download, with in-app purchases available.
Is Pendemonium free?
Pendemonium is free to download, with no in-app purchases.
Do Immortal Arena or Pendemonium have ads?
Immortal Arena shows ads; Pendemonium does not.
Which is updated more often, Immortal Arena or Pendemonium?
Immortal Arena ships an update every 8 days, and Pendemonium every 8 months. Most recently, Immortal Arena was updated on October 12, 2026 and Pendemonium on October 5, 2026.

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