Comparison

古代都市エンシェントスフィア vs Idle Skeleton

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

Head to head
About

古代都市エンシェントスフィア

Features
Read full description

古代の遺跡を巡り、宝を目指せ!! 幸運は勇者に味方する! 広い世界を冒険する探求アドベンチャー、王道ファンタジーRPG

About

Idle Skeleton

Embark on a pixel art roguelite dungeon adventure as a newly awakened skeleton. Explore dark fantasy worlds, defeat enemies with skills, and uncover the mystery of your transformation. Strategize your growth with item collection, synthesis, and skill enhancement to become the strongest skeleton knight.

Highlights
  • Pixel art roguelite dungeon exploration
  • Hack-and-slash combat with skills
  • Idle RPG progression
  • Dark fantasy world
  • Item collection and synthesis
  • Skill unlocking and enhancement
  • Raid boss challenges and rankings
Features
Read full description

Wake up and you realize you became a skeleton!? "Idle Skeleton" is a pixel art rogue-lite dungeon idle RPG where you explore dungeons to uncover why you became a skeleton. Use skills to defeat enemies and adventure through an attractive dark fantasy world. Enjoy a unique gaming experience that combines hack-and-slash, idle RPG, and roguelike elements. With beautiful pixel art graphics, the protagonist's growth and dungeon conquest method are up to the player! Devise your strategy and aim to become the strongest skeleton knight. In this dark fantasy world, ancient ruins and labyrinths where relics and rare items sleep spread out. Complete quests, power up using dropped items, synthesize, strengthen, and enhance your protagonist! As you level up, new skills reminiscent of nostalgic old-school RPG worlds are unlocked, allowing you to quickly become stronger! It should remind you of the excitement of facing stronger enemies. Can the protagonist uncover the mystery of why he became a skeleton? Challenge the super large raid boss, aim for the top ranking by dealing more damage, and receive luxurious rewards! Recommended for: - Those who like hack-and-slash games - Those who feel nostalgic for pixel art or retro games - Those who like the dark fantasy world - Those who enjoy collecting equipment and skills in RPGs - Those who like idle games and are looking for a game to enjoy without worrying about time - Those who like to explore ruins and labyrinths - Those who like the collection element of collecting weapons and skills - Those who like strategic play using drops to power up in hack-and-slash games - Those interested in relics, synthesis, and enhancement systems - Those who find leveling up and skill unlocking enjoyable - Those who want to immerse themselves in a fantasy story - Those who enjoy dungeon conquest and monster hunting action elements - Those who want to enjoy casually in their spare time - Those who want to aim for the top in rankings - Those who want to challenge high-difficulty bosses - Those who want to progress at their own pace for a long time

Screenshots

古代都市エンシェントスフィア4 screens
Idle Skeleton4 screens

Verdict

The call

The clearest difference is price: Idle Skeleton at Free against 古代都市エンシェントスフィア's $0.99. Idle Skeleton also leads on update cadence (every 2 days vs fortnightly). 古代都市エンシェントスフィア's advantage is in-app purchases (none vs 10) and ads (none vs shown). On 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

Idle Skeleton is free to download; 古代都市エンシェントスフィア costs $0.99 up front. Idle Skeleton sells 10 one-off in-app purchases. 古代都市エンシェントスフィア asks for nothing beyond the download.

UpkeepUpdate frequency

古代都市エンシェントスフィア ships an update fortnightly, Idle Skeleton every 2 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
古代都市エンシェントスフィア versus Idle Skeleton: the parameters behind the verdict, then further details
Parameter古代都市エンシェントスフィアIdle Skeleton
Price$0.99Free — better
Rating—4.6 (265 ratings) — better
Positive reviews—29.2% of reviews
Number of ratings—265 — better
Update frequencyFortnightlyEvery 2 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size188 MB187 MB
Age rating4+17+
DeveloperSENKEN INC.OmoLab Games

In-app purchases

None

古代都市エンシェントスフィア

No in-app purchases

10 purchases

Idle Skeleton

One-time10
  • Beginners Pack$1.99
  • LevelUp Bonus Standard$2.99
  • Monthly Pack$2.99
Show 7 more
  • Skin Pack 1$5.99
  • Remove Ads Pack$7.99
  • Super Monthly Pack$7.99
  • LevelUp Bonus Premium$7.99
  • Gem Pack 4$8.99
  • Super Beginners Pack$11.99
  • Super Legendary Weapon Pack$17.99

Questions

Is 古代都市エンシェントスフィア free?
古代都市エンシェントスフィア costs $0.99, with no in-app purchases.
Is Idle Skeleton free?
Idle Skeleton is free to download, with in-app purchases available.
Do 古代都市エンシェントスフィア or Idle Skeleton have ads?
Idle Skeleton shows ads; 古代都市エンシェントスフィア does not.
Which is updated more often, 古代都市エンシェントスフィア or Idle Skeleton?
古代都市エンシェントスフィア ships an update fortnightly, and Idle Skeleton every 2 days. Most recently, 古代都市エンシェントスフィア was updated on October 24, 2026 and Idle Skeleton on October 30, 2026.

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