Buff Knight! - Idle RPG Runner

Game for work!! Loads of fun for at work or on the bus.

Buffstudio · com.buffstudio.ontheherofree

4.7 out of 5 (7 ratings) 1M+ downloads v1.105 49.7 MB Android 7.1+ PEGI 12 · Low Maturity

Download APK 49.7 MB All versions

Other versions use a different certificate Details

Watch the Buff Knight! - Idle RPG Runner trailer on YouTube

Buff Knight! - Idle RPG Runner screenshot 1

Buff Knight! - Idle RPG Runner screenshot 2

Buff Knight! - Idle RPG Runner screenshot 3

Buff Knight! - Idle RPG Runner screenshot 4

Buff Knight! - Idle RPG Runner screenshot 5

Buff Knight! - Idle RPG Runner screenshot 6

Buff Knight! - Idle RPG Runner screenshot 7

Buff Knight! - Idle RPG Runner screenshot 8

At a glance

Latest version: v1.105 (140)
Updated: May 13, 2026 (5 months ago)
APK size: 49.7 MB
Requires: Android 7.1+ (API 25)
CPU support: ARM 64-bit
Graphics: OpenGL ES 3.0+
Category: Role Playing (game)
Listed since: Nov 5, 2021 (at least)
Permissions: 17 (3 sensitive)
Website: buffstudio.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Buff Knight! - Idle RPG Runner is a game by Buffstudio in the Role Playing category, listed since at least November 2021. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

Since version 1.100, the minimum Android version rose from 5.1 to 7.1. It asks for 17 permissions, 3 of them sensitive: find accounts on the device, read shared storage and modify shared storage. Compared with version 1.100, it adds 6 new permissions: “Find accounts on the device”, “Access adservices ad id”, “Access adservices attribution” and 3 more. The game offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

Ratings

4.7out of 57 ratings

5 ★86%
4 ★0%
3 ★14%
2 ★0%
1 ★0%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v1.105

Updated Android Target API Level

Description

From the listing uploaded by “superpocket”.

★★ 2014 Korea Game Awards Indie Game Award ★★ ★★ The Top 30 Best Games 2014 on Google Play in Korea ★★ ★ #1 Paid App in South Korea ★ ★ #1 Paid RPG in Japan, Sweden, Australia and Taiwan ★ ※ This Lite version includes ads and limits the running speed of Buff Knight. ※ If you'd like to play the game at its fastest speed and use cloud save/load, please buy the premium version of Buff Knight. ※ Data will not transfer from the free version over to the paid version. Please keep that in mind when playing Buff Knight. For your (our) convenience, we recommend you buy the paid version! **** Play the EPIC retro RPG runner – Buff Knight! Developed by a 1 man studio, this pixel graphic game has stormed the top charts in Korea. Now it’s your turn! Slay the Dragon! Save the Princess! Buff Knight! [Reviews] ★★★★★ “Buff Knight is RPG Madness” - iPhoneAppsReview.com ★★★★★ ”A definite must have on your device” - User review ★★★★★ ”This game has completely taken over my life. I am utterly and hopelessly addicted” - User review [Story] You are Buff Knight, and you stop for nothing! The Red Vile Dragon & his minions has returned to the Kingdom of Buff to raid the Kingdom for artifacts… AND has captured the beautiful Princess. Your quest: buff up your character, slice enemies into bits with your sword, blast your spells and save the Princess! [Game Description] Buff Knight is a 2D Pixel RPG Runner where you’re constantly on the move. Kill the invading monsters with your sword or by timing your use of spells carefully! As you progress the game becomes more intense with stronger and uglier monsters! Collect artifacts and upgrade your items & attributes to become the most buff Knight the world has ever seen! Buff Knight is highly addictive so do give it a try and trust the hundreds of thousands of Koreans who helped Buff Knight claim the #1 spot! [Features] ✔ AWESOME & EPIC 8 bit retro sound and pixel graphics! ✔ 2 Different gameplay modes – story mode & endless mode! ✔ 2 unique characters! Play as Buff Knight OR Buffy the Sorceress! ✔ Simple and easy controls! BUFF! ✔ Use your sword or spells to fight the evil! ✔ Unique 2D Pixel RPG runner game concept – pick up from where you died! ✔ Develop new strategies & builds – Want to be a Buff Knight or a Buff Mage? ✔ BUFF up your attributes! ✔ Collect over 20 ancient artifacts and BUFF your skills! ✔ Plenty of Items with multiple levels of upgrades! ✔ Awesome high score system – Are you the most buff Knight? Can you beat your friends? ✔ And of course a pretty Princess who needs to be saved by YOU from The Red Vile Dragon! **** If you want to translate English to your language, visit this link. I'll apply it to our game. http://goo.gl/6LYrby BGM : SKIPMORE (http://www.skipmore.com/)

Version history

2 versions are listed, going back to v1.100. Since v1.105 it requires Android 7.1+.

v1.105 LATEST May 13, 2026 49.7 MB TRUSTED v1.100 Dec 31, 2023 52.2 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “zph-mph” Not the developer's name (“Buffstudio”). Names in certificates can't be verified, so this alone proves nothing.
Other versions use a different certificate v1.100. Android normally won't update an installed app with a file signed by another certificate, and a new certificate can mean a different publisher. v1.100

Store checks and file details

Developer signature under review May 13, 2026
Signed byCN=Jx Clarynx, O=zph-mph, OU=anon.org, L=Caraga, ST=Surigao Del Norte, C=8609
Signing certificate (SHA-1)7D:64:F9:C2:53:C7:EF:35:A0:72:0F:6F:8A:80:2B:D4:B9:20:AA:3A
File MD597d1425d115490b48e0d93e882a7b8e5
Uploaded by “superpocket” Silver tier · 5,272 followers · uploading since 2016

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (17)

Buff Knight! - Idle RPG Runner requests 17 permissions, 3 of them sensitive.

Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play license check com.android.vending.CHECK_LICENSE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.buffstudio.ontheherofree.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run foreground services android.permission.FOREGROUND_SERVICE
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Landscape screen android.hardware.screen.landscape
Wi-Fi android.hardware.wifi

Buff Knight! - Idle RPG Runner APK: questions and answers

Is there a version of Buff Knight! - Idle RPG Runner for older Android phones?

The current version needs Android 7.1 or later. Version 1.100 is the newest listed build that installs on Android 5.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.100 · All versions

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is Buff Knight! - Idle RPG Runner free?

The APK is free to download, but the game offers in-app purchases through Google Play.

Is the Buff Knight! - Idle RPG Runner APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Some other versions are signed with a different certificate. After downloading, check that the file's MD5 is 97d1425d115490b48e0d93e882a7b8e5.