DotQuest外伝RPG is a free 2D RPG game consisting of pixel art graphics that is perfect for those who love classic RPGs. It is developed by Sidebook and available for Android devices. This game includes advertisements, but players can opt for the paid version to avoid them.

This game offers a unique experience with 9 characters to play with, and players can use the "Kotai" system to fight with all 9 characters at once. There are 8 types of weapons with unique skills to learn, and the game features an extensive variety of skills. Additionally, the game introduces a synthesis system that allows players to create their own weapons and adds to the fun of the game.

The game's boss battles are challenging, but players can use the "Kotai" system to their advantage to heal and recover their characters' status. The game also features 8 save slots, with the last 2 slots allowing players to save and load their data from an SD card. The developer, Sidebook, has also provided an official strategy wiki for players to share their opinions and tips.

Overall, DotQuest外伝RPG is a must-play for those who enjoy classic RPGs and are looking for a unique and challenging experience.