Lost Vault: Idle RPG

Contains adsIn-app purchases
4,5
26,3K reviews
100K+
Downloads
Content rating
Everyone
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About this game

Survive, Explore, and Conquer in Lost Vault—The Ultimate Idle RPG Adventure!

Step into the post-apocalyptic fantasy world of Lost Vault, where danger lurks around every corner and survival is the ultimate challenge. Build your hero, explore unique locations, and dominate the wasteland in this immersive idle RPG experience. Whether you play actively or let your hero grow while you're away, Lost Vault offers endless opportunities to grow stronger and rise to the top.

Key Features:

🌍 Explore a Unique Fantasy World
Venture into multiple diverse locations, each filled with mysterious creatures, hidden treasures, and challenges that test your strategy and skill.

⚔️ Raise Your Hero’s Power
Gain experience through battles and quests to level up your hero, unlock new abilities, and become a force to be reckoned with.

🛡️ Collect Powerful Equipment
Discover and equip gear of varying stats and rarities to tailor your hero’s build. Create unstoppable combinations that suit your playstyle.

🏆 Dominate Online Rankings
Showcase your strength and strategy by climbing the global leaderboards. Prove you’re the ultimate survivor of the Lost Vault.

🤝 Join or Lead a Clan
Team up with others to form or join a community clan. Collaborate with clanmates to conquer challenges, share resources, and claim rewards together.

👹 Face Deadly Enemies and Rivals
Fight against dangerous creatures and test your might in thrilling PvP battles against other players. Only the strongest will survive.

🏠 Build and Defend Your Shelter
Construct a safe haven to protect your resources and support your hero’s growth. Upgrade and fortify it to withstand attacks from enemies.

🐉 Challenge Legendary Bosses
Enter treacherous dungeons to face off against legendary bosses. Defeat them to earn epic loot and exclusive rewards.

Why Play Lost Vault?
- Combines idle gameplay with deep RPG mechanics.
- Stunning post-apocalyptic fantasy setting.
- Perfect for both casual and hardcore players.
- Evolve your strategy and hero while offline.

Join thousands of survivors and start your journey in Lost Vault today. The wasteland is waiting—can you conquer it? Download now and prove your worth!
Updated on
17 Jul 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App info and performance and Device or other IDs
This app may collect these data types
Personal info and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4,5
25,9K reviews
Sir Ethan Fluffybottons III
28 February 2025
I used to rate this game at 5 stars, it was generally really good outside of the fact that the energy system can be very limiting but now they've implemented forced ads. I was willing to watch ads for rewards but you can only do that every 12 hours. Maybe instead of forcing me to watch ads just allow more ads for rewards. My review will stay at 2 stars until this is changed and if it's not I will probably quit very soon.
5 people found this review helpful
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Nightclaw
16 April 2023
I've played a bit of similar games like this one, and I've gotta say that lost vault does some things really well compared to others. I love how you can choose to afk (even if it's an advantage it's nice to have the option), and the way it does enemy grinding is really good. I do think this game has a while until I could say it's at its full potential. I think that making this game more organized would be a good start. I'm pretty new, but I feel like its lacking in depth. I need more words lol
14 people found this review helpful
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TheReallyRealRpelya
09 September 2023
Nice game, simple looks and decent mechanics, but that is about all there is to it. There are a few visual bugs, and some things aren't explained and lead to problems. Also, pvp has a long wait timer, a third of an hour long. Buildings take most of a day to generate enough resources to upgrade one thing. You can't battle the wilderness while caravanning without paying for something. Oh, caravans, they make only a very small bit of money per hour, and can only be used for ten in a row, at a time.
2 people found this review helpful
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What's new

- Increase max level cap
- Fix Ultimate weapon drop chance
- Add extra level to the badges
- Add gold and experience rewards for the Ultimate chests

App support

Phone number
+48789983682
About the developer
PUPPYBOX KAMIL RYKOWSKI
vaultomb@gmail.com
11-5 Ul. Benedykta Dybowskiego 83-000 Pruszcz Gdański Poland
+48 789 983 682

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