Skull Up
EFUN PIONEER COMPANY LIMITED Games iPhoneiPadiPod touch
Skull Up is a free Games app for iPhone and iPad by EFUN PIONEER COMPANY LIMITED. Rated 4.7/5 from 1,768 ratings. Requires iOS 15.6. Updated August 5, 2026.
- Rating
- 4.7
- 1.7K ratings
- Price
- Free
- on the App Store
- Size
- 201 MB
- Age 12+
- Updated
- Aug 5
- 2026 · v1.0.17
Screenshots
About Skull Up
[Game Features] Even a rookie skull can become the Skull King! In Skull Up, you will rise from the bottom to the throne: collect over 60 Skellies to form your unique teams, enjoy idle management with abundant rewards, and unlock multiple adventures. Come and unleash the power of the undead and evolve from a nobody into the Skull King! [Endless Fun, Underworld Adventures] A rookie skull uncovered hidden treasures! In Skull Up, you can amass massive resources through management gameplay, or defeat mighty enemies with smart strategies. Join a guild and fight alongside your bone buddies! More content await—nonstop excitement guaranteed! [Diverse Skellies, Boundless Power] Gather various Skellies during your path to becoming the King! During this adventure, you will encounter over 60 unique Skellies with distinct looks and abilities. With diverse designs, they can be switched between human and skull forms, who are your strongest bone allies! [Easy Progression, Loss-Free Growth] Power up your companions without pressure: The loss-free progress system allows you to upgrade any Skelly—the resources can be fully refunded. Experiment freely, optimize your team, and achieve rapid power spikes with no investment wasted. [Free Combinations, Smart Strategies] Level up nonstop and show the king’s edge! Unlock your strategic potential and assemble a bone-powered team. Whether breaking defenses or providing support, every Skelly hides unique strengths— deploy them wisely! [Idle Management, Effortless Rewards] Future king, this undead castle is yours! Assign skull workers to smelt, log, and mine—gain massive EXP and valuable resources even while offline and level up with ease! With an idle strategy system, victory comes effortlessly!
Ratings & reviews
4.7
1.7K ratings
What’s new
Version 1.0.17 · Updated August 5, 2026
Ⅰ. Two New Kit Skins: "Mewra" and "HexKitty". Ⅱ. Exclusive Return Event for Returning Skelly Lords.
Play today's Queens puzzle
One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, EFUN PIONEER COMPANY LIMITED, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction, Advertising Data
- Purchases: Purchase History
- Contact Info: Email Address
- User Content: Emails or Text Messages, Photos or Videos, Customer Support
- Identifiers: User ID, Device ID
- Diagnostics: Crash Data, Performance Data
Used for: Analytics, Product Personalization, App Functionality
Alternatives to Skull Up
Looking for apps like Skull Up? Here are 6 similar apps on the App Store. The highest rated is Lootfiend: Idle Dungeons (4.9/5), and all 6 are free to download.
-
Evo Defense
4.7
-
Lootfiend: Idle Dungeons
4.9
-
Wall Brawl - Tower Defense TD
4.8
-
Mini Legion: Outland
4.7
-
Big Helmets: Heroes of Destiny
4.8
-
Motto Immortal
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Skull Up | 4.7 / 5 (1,768 ratings) | Free | August 5, 2026 | |
| Evo Defense | 4.7 / 5 (9,224) | Free | Sep 17, 2026 | Compare |
| Lootfiend: Idle Dungeons | 4.9 / 5 (7,847) | Free | Aug 13, 2026 | Compare |
| Wall Brawl - Tower Defense TD | 4.8 / 5 (1,326) | Free | Sep 28, 2026 | Compare |
| Mini Legion: Outland | 4.7 / 5 (2,051) | Free | Sep 25, 2026 | Compare |
| Big Helmets: Heroes of Destiny | 4.8 / 5 (2,484) | Free | Sep 28, 2026 | Compare |
| Motto Immortal | 4.8 / 5 (4,418) | Free | Sep 30, 2026 | Compare |
Compare Skull Up with the top alternatives: ratings, updates, ASO score and keyword gaps →