Hello Brawlers, great news for you all! The 100th brawler in Brawl Stars: Sirius, can be unlocked now for free through special limited-time events celebrating this milestone. All you need to do is win matches and open special Brawler Boxes to add Sirius to your roster without spending any Diamonds. So, want to know how to unlock Brawl Stars Sirius for free? Get everything from this guide and never miss your chance!

Who is Sirius in Brawl Stars?
Brawl Stars Sirius is the second Ultra Legendary Brawler within the Brawl Stars tier list, newly added to the game. He is also the 100th Brawler introduced to Brawl Stars. He is a Controller class Brawler with moderate health, very fast movement speed, and quick reload.
In battles, Sirius can fire two projectiles at once with his main attack and collect shadows to summon as minions. He can control up to six Shadows that copy real Brawlers, creating chaos on the battlefield with control effects. His Super recharges automatically, making him a constant threat even without hitting enemies. With unique Star Powers, gadgets, and Hypercharge, Sirius is a powerful Brawler for players who like controlling the battlefield and outsmarting opponents.

You can see how special Sirius is within the Brawl Stars gameplay. However, as a celebration for the 100th Brawler milestone, there are some challenges to unlock Sirius for free as a reward. So, go through this guide to find the methods for how to get Sirius for free in Brawl Stars.
Win With Every Brawler Challenge
Win With Every Brawler Challenge is the primary method to obtain Sirius for free in Brawl Stars. But this challenge is not an easy challenge, and it is especially designed for veteran players who own all 99 Brawlers already. You have to play and win 1 match with each Brawler in the game to unlock Sirius for free with 99 wins using each and every one of the 99 Brawlers.

Here is how this challenge works:
Challenge Conditions
Win 1 match with each and all 99 Brawlers for 99 wins to unlock Sirius in Brawl Stars.
Milestone Rewards
While you make wins with each Brawler to get Sirius, you can also get milestone rewards for extra chances:
|
Wins |
Rewards |
|---|---|
|
25 |
Bling, Coins, Power Points + small items. |
|
50 |
Free Sirius Box (chance to get Sirius early) + more rewards. |
|
75 |
Bling, skins, Credits. |
|
99 |
Sirius unlocked forever |
After getting wins with 50 Brawlers, you can get a Free Sirius Box. This is a great chance to get Sirius free from this box if you are too lucky.
Tips for Success
- Focus on easy wins with each Brawler you have. You only need one win, and it does not matter what game mode you play. You can play game modes like Solo Showdown for easy wins.
- While you don’t have all 99 Brawlers, complete the challenge with all the Brawlers you own to get milestone rewards.
Sirius Box Challenge
Sirius Box Challenge is another special event for helping on how to unlock Brawl Stars Sirius for free. This challenge is more helpful for Brawl Stars beginners who want a chance to get Sirius early in the gameplay. You just have to win matches to earn tickets to collect Sirius Boxes. But getting Sirius through these boxes is based on luck.
Here is how Sirius Box Challenge works:
Challenge Conditions
- Play any game mode, even Brawl Stars Ranked mode, and win matches.
- 2 wins = 1 ticket.
- You need 2 tickets to obtain 1 Sirius Box.
- Remember, you only have 40 tickets available during this event, so you can open 20 Sirius Boxes in total.

What’s Inside Sirius Boxes
These Sirius Boxes are special brawler boxes in Brawl Stars with 8 possible rewards, including a smaller chance to get Sirius for free:
- Brawlers, including Sirius
- Coins and Credits
- Power Points
- XP Doublers
- Gadgets
- Star Powers
- Hypercharges
Opening these boxes gives you a chance to get Sirius for your roster, but it is based on luck. Try to collect all the Sirius Boxes to increase your chances.
Tips for Success
- You need 80 wins during this event to collect all 20 Sirius Boxes.
- Play easy game modes where you can win quickly.
- Try to use different Brawlers for this challenge, because it also helps you progress toward completing the Win With Every Brawler Challenge.
- You only need to win matches to collect tickets, so focus on efficiency.
Best Tips to Obtain Sirius Free Within Event Time
If you are eager to get Sirius during this special event time by winning 99 matches with 99 Brawlers or by collecting tickets through match wins, you need better tips to make it faster and easier.
So, here are the best tips on how to get Brawl Stars Sirius for free:
- Play More Matches Now: Both of these challenge events are only available until March 5th. After that, Sirius will be available through Starr Road. So, play more matches now and increase your chances before the event ends.

- Focus on Both Challenges: Try to get 50+ wins using different Brawlers to earn the free Sirius Box from the Win With Every Brawler Challenge, and at the same time make progress in the Sirius Box Challenge.
- Play Easy Win Modes: Play easy and quick game modes like Solo Showdown, Duo Showdown, Friendlies, Brawl Ball, and Heist to get fast wins.
- Team Up with Friends: Invite your friends and play together to increase your win rate and complete matches faster.
- Play in Low Trophy Ranges: Playing in lower trophy ranges can help you get easier wins with different Brawlers.
- Track Your Progress: Check the Event tab daily to track your progress and make sure you complete the challenges before the event ends.
- Use Brawl Stars Codes: Brawl Stars codes can help a lot during these challenges. You can get free rewards like gems, coins, and even Brawlers you don’t have. This will help you complete the challenges more easily. So make sure to use all available codes to take advantage.
People Also Ask
How can I unlock Sirius for free in Brawl Stars?
You can unlock Sirius for free by completing the Win With Every Brawler Challenge and collecting Sirius Boxes during special limited-time events.
What are Sirius Boxes in Brawl Stars?
Sirius Boxes are special brawler boxes you can earn by winning matches. They contain Brawlers, Power Points, Coins, Gadgets, Star Powers, and a chance to get Sirius.
What is the Win With Every Brawler Challenge?
It’s a challenge where you need to win 1 match with each of the 99 Brawlers. Completing all wins unlocks Sirius for free.
More from Brawl Stars
- Top 10 Best Brawlers in Brawl Stars 2026
- Brawl Stars New Free Mecha Box in New Season!
- Brawl Stars Hypercharge Tier List
- Brawl Stars Alli Guide, Abilities, Traits, and More
Conclusion
That’s everything you need to know on how to unlock Brawl Stars Sirius for free during this event from our guide. Complete wins with different Brawlers and open the Sirius Boxes to get the best chance of adding the 100th Brawler, Sirius, to your roster. Use this guide to understand how the challenge events work, follow smart strategies, play more matches, and claim Ultra Legendary Sirius for free!







