Take on the role of a key member of Rhodes Island, a pharmaceutical company that fights both a deadly infection and the unrest it leaves in its wake. Together with your leader Amiya, you’ll recruit Operators, train them, then assign them to various operations to protect the innocent and resist those who would thrust the world into turmoil.

・Gorgeous anime-style game with a perfect combination of RPG and strategy elements
・Hundreds of unique Operators across a variety of classes open up countless gameplay options
・Auto Deploy system conveniently allows you to free up your hands
・Carve out a home, just the way you want it, with the Base construction system
・A robust soundtrack and some of the most famous Japanese voice actors and actresses will give you a sublime auditory experience.

Arknights Official Homepage:

Official Discord Server:

Official Twitter Account:

Official Facebook Page:

Official Instagram:

What’s New

Version 0.8.13

-Sign in with Apple Added

Ratings and Reviews

4.6 out of 5
1.6K Ratings

1.6K Ratings

Kanata 00 ,

Overall I really love this game BUUUUUUUUUUUT Please Increase Sanity

Overall I am addicted to this game and have been playing nonstop everyday until I used up all the prime sanity refreshes whoever. As we all know sanity is the stamina like stuff for Arknights however if you are F2P players the sanity is just not enough idk how long it will take for you to even elite 2 one of your 6 star and all I have to say is good luck trying to E2 your 6 star. Unless you actually use originium prime for sanity leveling up the characters or even getting materials in general is super long and slow. Therefore to try to enjoy the game will cost lots of money. Therefore please increase the drop rate or amount of the stuff (LMD, material, exp, etc) or decrease the sanity refill timer or increase the sanity limit. Also what I notice is that after lvl 50 player lvl you don’t get +1 max sanity each time you level up making it even worse. As of now my profile lvl is 70 and the max sanity limit is 126 which is only enough for 4 round of those grinding map for LMD and Exp if u do the stage 5 and it’s no where enough.
I have played Yostar games and I love Azur lane however this sanity limit is actually killing my real life sanity because a 2 day times 20 sanity refill with Originium prime will cost you some where around 10$. Which fro F2P players it’s really hard to even try and compete with those P2W players in terms of characters and profile levels giving them a disadvantage in Event and others.

Developer Response ,

Dear player, We've received your feedback! We can't make the game better without hearing from the communities. Our CS e-mail address:

(N.A) ,

I love this game.

I love this game so much. The grind feels rewarding when you’re promoting characters and I haven’t ever felt like there’s no way I can advance even with low tier (3*) characters if I’m careful. Some stages have been so frustratingly hard that they’ve taken hours especially since I’m bad at strategy games, but the second you DO get it and win? It feels amazing. I do somewhat wish autodeploy was just instant but the way it works not encourages you to ‘optimize’ stages you replay for easier farming which is nice and fix the ones you barely scraped by in to learn what went wrong. I’m still so confused which is why I wish I could talk to other players. I’d like to learn from others, but it’s trial and error for the time being! I love this game. I really, really do. It even feels fun leveling up lower tier characters to while I prep for the bigger stages / advancement. I love this! At least they have guys in the game this time, something that games like this sorely lack. I hope that one day there is a “sweet guy” character that’s actual high stars/tier. They are the most elusive of all. A girl can dream. My wallet is safe.

Seriously though, please don’t make this another 99% waifu game and make some interesting (6/5 star, actually useful) male characters too. Thanks!

Floating River ,

Great game with just a few frustrating things

I've been hearing about Arknights's Chinese version for a while and finally get to play it in the NA store. Great game design. Strategy matters the most in tower defense game and this game does a good job designing each level. Very challenging and fun to play.
Characters have rich stories and personalities that I enjoy reading about.
However there are a few things that gives me frustration. One being the auto deploy function still needs to play through the entire fight. If not possible to skip the fight entirely with auto deploy, can we at least make the play speed 4x rather than 2x? And having an option to continuously auto deploy until sanity runs out would be nice too.
Another thing is that I wish there could be a option to change to other languages that has already been supported like Chinese or Japanese. I'm sure there are people like me that can only play NA store games but prefer another display language if available. The English translation is nice but I still find dialogues missing cultural reference sometimes.


1.5 GB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Infrequent/Mild Sexual Content and Nudity
Infrequent/Mild Cartoon or Fantasy Violence
Infrequent/Mild Medical/Treatment Information
In-App Purchases
  1. Extract a piece of Originium $0.99
  2. Extract a cluster of Originium $4.99
  3. Extract a pile of Originium $14.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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