Comparison

Yokai Idle vs NOVA IMPERIUM

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

Head to head
About

Yokai Idle

Features
Read full description

Yokai Idle is a premium idle ARPG where you recruit powerful Yokai through a gacha system, collect randomised loot, craft powerful equipment, and create unique builds inspired by Japanese mythology. Progress continues for up to 24 hours while you're away. Hunt for rare equipment with randomised modifiers, recruit over 50 Yokai with unique passive abilities, and journey through the Ages of Japan at your own pace. RECRUIT YOKAI Recruit over 50 Yokai through the gacha system. Every Yokai grants unique passive abilities that can transform your build. Combine companions, Classes, equipment, and elemental synergies to create your own playstyle. ARPG-STYLE LOOT Battle mythical Yokai using idle auto-battle combat to discover weapons and armour with randomised modifiers. Hunt for rare affixes, enhance valuable equipment, and build powerful gear sets. PROGRESS THROUGH THE AGES Unlock new historical Ages, Festivals, currencies, Classes, Yokai, dungeons, professions, and crafting opportunities as your adventure expands. ENDLESS PROGRESSION - Over 700 items - Recruit 50+ Yokai - Master multiple professions - Up to 24 hours of offline progress - Cloud saves across supported platforms - Full mod support via mod.io - Play offline - No ads - No microtransactions Play at your own pace and build the ultimate Yokai collection while forging a character that's uniquely yours.

About

NOVA IMPERIUM

Build and expand a space empire from a single homeworld to a galaxy-spanning civilization in this offline strategy game. Experience classic browser game mechanics with detailed building, research, and fleet combat systems.

Highlights
  • Offline single-player gameplay
  • Build and upgrade 14 buildings
  • Research 16 technologies
  • Manage fleets and engage in 7 mission types
  • Procedural universe with NPC empires
  • Recruit officers and earn achievements
Features
Read full description

NOVA IMPERIUM is a single-player, fully offline space empire strategy game — a love letter to the golden age of browser space games. Rise from a single homeworld to a galaxy-spanning civilization. Every formula, build time and battle is faithful to the classic OGame era (2002–2010). FULLY OFFLINE — Your empire grows even while closed; everything is calculated when you reopen. No internet required. BUILD & UPGRADE — 14 buildings; balance metal, crystal, deuterium and energy. RESEARCH TREE — 16 technologies: ships, weapons, shields, espionage, colonization. FLEETS & COMBAT — 14 ships, 10 defenses, 7 mission types; authentic 6-round combat engine. A LIVING GALAXY — A procedural universe of deterministic NPC empires. OFFICERS & ACHIEVEMENTS — Earn Dark Matter, recruit officers (in-game only). No ads · No in-app purchases · No pay-to-win · No account · TR/EN Your empire. Your pace. The whole galaxy awaits, Commander.

Screenshots

Yokai Idle4 screens
NOVA IMPERIUM4 screens

Verdict

The call

The clearest difference is in-app purchases: NOVA IMPERIUM at none against Yokai Idle's 1. NOVA IMPERIUM also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price 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. Yokai Idle sells 1 one-off in-app purchase. NOVA IMPERIUM asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Yokai Idle versus NOVA IMPERIUM: the parameters behind the verdict, then further details
ParameterYokai IdleNOVA IMPERIUM
PriceFreeFree
Rating—3.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 4 days—
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size226 MB56 MB
Age rating12+4+
DeveloperGruuwkadir ulucay

In-app purchases

1 purchases

Yokai Idle

One-time1
  • Full Game$4.99
None

NOVA IMPERIUM

No in-app purchases

Questions

Is Yokai Idle free?
Yokai Idle is free to download, with in-app purchases available.
Is NOVA IMPERIUM free?
NOVA IMPERIUM is free to download, with no in-app purchases.
Do Yokai Idle or NOVA IMPERIUM have ads?
Yokai Idle shows ads; NOVA IMPERIUM does not.

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