- Start: 29 May 2020
- End: 7 June 2020
Task A (Daily Quest): During the event, daily log in to the game at least once to obtain the following rewards:
- (Gold Coin) x 100
Task B (One-Time Quest): During the event, clearing 40 Floors in Tower of Babel (通天塔) to obtain the following rewards:
The Tower of Babel is the new mini-mode in 300 Heroes Chess.