Ruby Crown Empire Siege

Continuously update the question bank, with authoritative and rigorous content, rich and interesting

Supports two modes of random questioning and classified answering, and flexibly chooses the challenge direction

?? Multi-difficulty challenge
Three difficulty settings of simple/medium/difficult, adapted to different knowledge levels

With the increase of difficulty, the depth and breadth of the questions are gradually strengthened

Set a scoring system for each round of answering, correct points, no deduction of points for errors, support viewing correct answers and analysis

?? Local score record
Automatically save the score of each answering, including score, time, and correct answer rate

View history records and track progress curves

No need to register and log in, all data is saved locally, privacy is more secure

?? Additional functions:
?? Daily challenge: 10 questions a day, keep answering habits

?? Offline operation: can be used without network, and study when disconnected