To play Ragnarok Oldschool RPG, you are required to download the full client. Just download, install, patch the client and you're ready to go!
Ragnarok Oldschool RPG FULL INSTALLER
Ragnarok Oldschool RPG Android APK(AndRO)
Misc Files & Custom GRF/Gray Map
Already have kRO installed? First of all, ensure kRO is fully patched. Secondly, make sure that you have no other RO servers installed in your RO directory - as these may interfere with your pure Classic RO installation. Once you're prepared, download our custom GRF/graymap, using one of the file mirrors below.