Shellkeep
Card In-app purchases
Card Collector - Create, Merge, Bid & Sell!
- Rating
- 4.5
- 74 ratings
- Downloads
- 977+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 15
- 2026 · v3.4.1
Screenshots
About Shellkeep
Build your ultimate card collection in Shellkeep - a casual collectible card game where every card is generated with unique rarity combinations.
COLLECT & DISCOVER
Generate new cards daily with time-gated slots. Each card rolls two independent rarities: egg & shield.
Creating hundreds of unique combinations to chase. Hunt for the elusive Shiny variants with their holographic effect.
MERGE & UPGRADE
Combine duplicate cards to upgrade their shields and unlock stronger versions. Strategize which cards to merge and which to keep for battles or sell.
BATTLE
Take your cards into battles against increasingly challenging opponents. Build your team around archetypes:
Brawlers, Defenders, and Magic users, each with unique stats like HP, ATK, DEF, and MAG.
MARKETPLACE & AUCTIONS
Bid on rare cards in live auctions. Browse daily deals for direct purchases. Sell cards you don't need to earn coins and grow your collection faster.
DAILY MISSIONS & PROGRESSION
Complete missions to earn XP and level up. Track your stats, such as cards generated, merges completed, battles won, and collection progress.
JOIN A CLUB
Team up with other collectors. Share collection, rare finds, auction wins and win weekly bounties.
Download Shellkeep and start building your collection today.
COLLECT & DISCOVER
Generate new cards daily with time-gated slots. Each card rolls two independent rarities: egg & shield.
Creating hundreds of unique combinations to chase. Hunt for the elusive Shiny variants with their holographic effect.
MERGE & UPGRADE
Combine duplicate cards to upgrade their shields and unlock stronger versions. Strategize which cards to merge and which to keep for battles or sell.
BATTLE
Take your cards into battles against increasingly challenging opponents. Build your team around archetypes:
Brawlers, Defenders, and Magic users, each with unique stats like HP, ATK, DEF, and MAG.
MARKETPLACE & AUCTIONS
Bid on rare cards in live auctions. Browse daily deals for direct purchases. Sell cards you don't need to earn coins and grow your collection faster.
DAILY MISSIONS & PROGRESSION
Complete missions to earn XP and level up. Track your stats, such as cards generated, merges completed, battles won, and collection progress.
JOIN A CLUB
Team up with other collectors. Share collection, rare finds, auction wins and win weekly bounties.
Download Shellkeep and start building your collection today.
What’s new
Version 3.4.1 · Updated October 15, 2026
Bug fixes and improvements
Play today's Threadline puzzle
Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
User reviews
this game is amazing if you love to collect things
so happy this fantastic card collecting game is here!! awesome offshoot of the best tap collection game ever: one in a trillion! active dev who is always on hand, simple rules, amazing community, auction which is exciting, battle which is fun and zero ads. repeat zero!!!! give this a try, give oiat a go too and join...
perfect game to be able to occasionally drop into, no grinding required
❤️
Alternatives to Shellkeep
Looking for apps like Shellkeep? Here is 1 similar Android app on Google Play.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Shellkeep | 4.5 / 5 | Free | 500+ | Oct 15, 2026 | |
| One in a Trillion | 4.0 / 5 | Free | 100,000+ | Oct 28, 2026 | Compare |
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