Yokai Idle vs NOVA IMPERIUM
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Yokai Idle
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Yokai Idle sells 1 one-off in-app purchase. NOVA IMPERIUM asks for nothing beyond the download.
| Parameter | Yokai Idle | NOVA IMPERIUM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 226 MB | 56 MB |
| Age rating | 12+ | 4+ |
| Developer | Gruuw | kadir ulucay |
In-app purchases
Yokai Idle
- Full Game$4.99
NOVA IMPERIUM
No in-app purchases









