Players can obtain bloodline coupons by unlocking bloodline coupons in each game, or by completing weekly task gold cash registers. At the train station on the map, players can find the cash register and loot it, but be aware that you need to complete the game before you can obtain bloodline coupons. .
1. Open the map and select the train station on the map to start the game.
2. At the train station, players need to enter the room and look for an old-fashioned cash register.
3. Press and hold f while facing the cash register to search. Players can get 500 bloodline coupons from the cash register.
4. The blood coupon can only be taken out when the player completes the game.
5. You can also get bloodline coupon rewards by completing some weekly tasks.