To unlock new characters, you need to earn coins by winning matches and completing challenges. Use the coins to purchase characters from the shop. Each character has unique abilities, making gameplay more exciting.

Gems in Ultimate Bowmasters can be used to purchase special items, upgrade characters, or unlock exclusive features. You can earn gems through gameplay, or they may be available for purchase within the app.

Changing characters during a match is not possible. You must select your character before the match begins. Experiment with different characters in practice mode to find your best fit for upcoming battles.

Improving accuracy in Ultimate Bowmasters requires practice and understanding of projectile physics. Here are steps you can follow:
1. Use the practice mode to get familiar with weapon dynamics.
2. Pay attention to the wind and distance indicators.
3. Adjust your aiming angle based on your observations.
4. Experiment with different characters to see how they affect your shots.

In Ultimate Bowmasters, the multiplayer feature allows you to compete against friends or other players online. To start a multiplayer match, select the multiplayer option from the main menu, then invite friends or find a random opponent to battle in real-time.