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"Can you beat the formidable Boss Robot? Join forces with two teammates and take down this monster robot. You can get back in the fight as long as at least one of your teammates is standing. If everyone falls, it's game over! Boss Fights increase in Challenge, from normal all the way to Insane XVI, every time you manage to beat the Boss."
Boss Fight

In the Boss Fight Event, three players battle against a gigantic Boss Robot. The battle starts immediately and slowly becomes more difficult by each level. With each win, the difficulty increases in the next level. The Boss robot uses a wide range of attacks and has a huge amount of health (much more than the Big Brawler in Big Game). A timer is shown to keep track of anger levels and to compare times with others. Boss Fight is an unranked mode, so Trophies can’t be earned or lost. If you are playing with teammates, the level is set to the lowest that the members of your team have reached. Brawlers' attacks, Supers, idle charging, and other abilities are 70% less effective at charging Supers in this mode.

Boss Abilities[]

Boss Robot
  • Anger: As the fight goes on, the Boss becomes increasingly angry which increases the Boss' damage output, speed, other abilities, and the difficulty of dodging its attacks, while it also changes its color and size. The Boss gets angry based on time passed, not damage taken.
  • Melee attack: The Boss punches any target that gets close to it, dealing 800+ damage.
  • Rocket attack: The Boss fires a clockwise spread of rockets in quick succession, each dealing 1200+ damage after a 1-second delay. After the Furious stage, the rockets can break walls, but disappear after breaking them. After the Enraged stage, the rockets are able to break and pierce through walls. The Boss stops using the rocket attack when it goes God Mode.
  • Charge: The Boss charges forward, like Bull's Super, breaking walls, damaging and knocking back any targets that it hits for 1200+ damage. Similar to the rockets, the Boss will have a 1 second delay when about to charge. It only starts when the level difficulty is Hard. The Boss stops charging when it goes God Mode.
  • Lobbed rocket: The Boss fires a giant rocket at the Brawler closest to it, dealing 2000+ damage, knocking targets back and destroying walls. The area of the rocket’s impact is highlighted by an area-of-effect so that it may be avoided (similar to the Meteor Shower Modifier), and once the rocket hits, the area is engulfed in flames which deal 400+ over time to any Brawler that sets foot in the area.
  • Robot Minions: Throughout the fight, smaller robots appear to aid the Boss. These are the same types of robots as those that are seen in Robo Rumble, though with 25% less health than their Robo Rumble counterparts. These minions are also slightly faster, having a 50 point increase to their Robo Rumble counterpart's movement speed. Mini robots only start to appear once the Boss robot starts to get Angry. The robot minion's strength is not dependent on the Boss's anger. The minions can also get faster depending on how long you keep them alive.
Boss Statistics Normal Angry Furious Enraged God Mode
Melee Attack 800 1000 1200 1400 9400
Rocket Attack (per rocket) Rocket 1200 1400 1700 2000 N/A
Rocket Amount 6 9 18 18 N/A
Charge 1200 1400 1700 2000 N/A
Lobbed Rocket Rocket 2000 2500 3000 3500 4000
Burn 400 500 600 700 800
Color Grey Purple Red Yellow White
Minion Statistics Normal Angry Furious Enraged
Melee Robot Health / Damage 3600 / 260 5100 / 470 8250 / 600 12150 / 730
Sniper Robot Health / Damage 1500 / 630 2700 / 1130 3450 / 1450 5040 / 1760
Mini Robot Health / Damage N/A 4050 / 720 5175 / 920 7560 / 1120
Color Grey Purple Red Yellow


Every time you beat the Boss, it gains more health, damage, and abilities. The last Boss that you can challenge is Insane XVI.

Level Boss Health Boss' New Abilities
Normal 250,000 Melee and rocket attacks, summons robots found in Robo Rumble
Hard 300,000 Charge
Expert 350,000 Starts getting Angry (1:35)
Master 400,000 Lobbed rocket
Insane 500,000 Starts getting Furious (3:15) and rockets now destroy walls after Furious, drops Power Cubes along the way
Insane II 600,000 Starts getting Enraged (4:55) and rockets now pierce through walls after Enraged
Insane III+ 700,000+ Now goes God Mode (6:35)

Useful Brawlers[]

Colt: Colt has very high damage output and has a long range, so he can safely avoid the Boss's melee attack, not to mention with his Slick Boots Star Power, he can better avoid the Boss’s rocket attack and lobbed rockets even better due to his increased movement speed. Colt's Super deals massive area damage, making it great for defeating smaller robots along with damaging the Boss. Colt with his Slick Boots Star Power should collect the Power Cubes to maximize his damage and keep him alive for the duration of the match. In the situation that Colt needs to deal more damage, his Speedloader Gadget can be used to instantly reload two ammo slots to defeat the Boss sooner.
Max: Her high speed gives Max an excellent advantage in dodging attacks from the Boss and minions, as well as enabling her to move out of range easily when she needs to heal. Her Super is beneficial to the entire team, especially when employed while being attacked from multiple directions by robots, or when a teammate won’t otherwise be able to run away quickly enough, such as 8-Bit. If she takes the Power Cubes, she can function as an even faster version of Colt while still doing sufficient damage to pass advanced challenge levels. In addition, Max can also support her teammates using her Gadget Phase Shifter's immunity shield to block an incoming rocket or lobbed rocket attack. Her Star Powers serve different purposes: her Super Charged Star Power can constantly give teammates a boost, and her Run 'N Gun Star Power can make Max do constant damage to the Boss, again making her a Colt alternative.
Gale: With the Boss Robot's large hitbox, Gale can hit the Boss with all of his snowballs, dealing maximum damage. With a relatively long range and his Spring Ejector Gadget, Gale can excel at keeping distance between himself and the Boss. Gale's Twister Gadget, meanwhile, provides a temporary obstacle for the Boss, letting you and your teammates escape when needed. Gale's Super with his Blustery Blow Star Power can also interrupt and stop the Boss from firing his rocket attack, giving Gale and his teammates time to attack or retreat.
Pam: Pam has exceptional close-ranged damage and high health, allowing her to stick close to the Boss. During the earlier anger levels, her Super and Mama's Hug Star Power help the team shrug off damage from the smaller robots and focus on damaging the Boss as much as possible. She will inevitably die late-game in harder levels, due to her inability to dodge chains of missile strikes while also dealing with other attacks from the Boss and minions, such as the melee attacks. Pam is still useful late-game when she respawns by helping to distract the Boss from her teammates and dealing as much damage to the Boss and minions when she can. She can also use her Pulse Modulator Gadget to heal teammates instantly if they’re in her Super's radius and needs a quick heal.
Bo: Bo's normal attack deals great damage to the boss and Minion bots. His Super Totem Gadget enables all friendly Brawlers around him to charge their Supers faster. Bo's Snare a Bear Star Power is extremely important--stunning the Boss for 2 full seconds. A skilled player using Bo can place the mines in a staggered way such that the Boss hits each one individually, resulting in 6 seconds of stun time. If the Boss moves away from one or more of Bo's mines, another Brawler can lure the Boss back to Bo's mines to get stunned. The only time this will backfire is if the Boss makes its charging attack and trips all of the mines while charging away. Therefore, it is recommended for the Bo player to put their mines down right after the Boss uses their rocket or charge attack.
Bull and Darryl: Bull's or Darryl's role depends on their teammates. With Pam and Colt, they're best in a support role, directing the Boss and protecting their teammates. With Pam, 8-Bit, or even Poco, they can play a much more aggressive role, carrying the Power Cubes and focusing on the Boss, as they deal more consistent damage than any other Brawler. Their Super can be useful for dodging/stopping the rocket attacks and missile strikes, especially when coupled with their respective Tough Guy or Steel Hoops Star Powers. Alternatively, more skilled players can keep Bull under 60% health to make use of his Berserker Star Power and double reload speed, effectively doubling his damage output, when he is well-supported by his teammates. Meanwhile, Darryl can also use his Rolling Reload Star Power to continually knock the Boss back with his self-charging Super and deal fast and heavy damage.
8-Bit: 8-Bit can provide solid support to a team which is capable of doing extreme damage in the first few minutes of the Boss Fight match. If his turret is well-placed where everyone can take advantage of the damage boost, it is nearly as good as having a fourth team member. His long range and the tight focus of his projectiles is especially well-suited for sniping minions before they can get too close to his team members. He might get defeated often starting mid-game in later levels due to his slow movement speed despite his Plugged In Star Power or other speed boosts, but he can still provide good support when he regenerates. He goes well with Nita and Pam, because Nita and her bear deal massive damage to the Boss, Pam can heal both of them and attack the boss at the same time, and if he places his Super they can deal even more damage. In that case, use his Boosted Booster Star Power, because the area increases and you deal more damage than usual, and his Extra Credits Gadget because that does a lot of damage to the Boss while it is focused on Nita and the bear. It is also favorable to not use the Extra Credits Gadget until he has his Super on ground, as using the Gadget with the damage boost is much more sufficient.
Rico: With his Robo Retreat Star Power, keeping Rico's health below 40% is sometimes a viable strategy. The speed boost he gains when at low health can buy time for his teammates to respawn. Rico needs to find a wall and a suitable angle to maximize the damage from his attacks and Super with his Super Bouncy Star Power. Rico's Bouncy Castle Gadget can allow Rico to quickly heal up, allowing him to survive longer. The speed boost from Robo Retreat allows Rico to be able to dodge rockets and other long-ranged attacks better.
Bea: Despite her low health, collecting the Power Cubes allows Bea to deal devastating amounts of damage to both the robot minions and the Boss with her supercharged shot, further helped by her slowing Super and Rattled Hive Gadget with her fast reload speed. Though she can serve as another Colt alternative, always take advantage of Bea's long range due to her inability to dodge/stop the rocket attacks and missile strikes. It is highly recommended to use her Honeycomb Star Power because it gives you extra survivability either to avoid losing the Power Cubes, if she is the only standing teammate or if she has low health. If you're low on health, use the Honey Molasses Gadget (if you use it) as a shield. The Shield and Damage Gears are great for her, because Shield gives you an additional 600 health and Damage because you do even more damage than usually.
Edgar: Having an extremely fast reload speed and the ability to heal per hit, Edgar can continually damage the Boss despite his very short range. His Super is particularly useful as it charges automatically and its speed boost can help Edgar avoid the long-ranged attacks; for this, he can also use his Let's Fly Gadget in emergency situations. It’s best to use his Fisticuffs Star Power and his Hardcore Gadget for Edgar to maintain the offensive, as the extra healing keeps him in the game longer and the shield will protect him if he has low health or in deadly situations.
Lou: Firing a range of snow cones at once, Lou can prove great support in Boss Fight. If all snow cones are landed, the Boss Robot freezes for some time, enabling your team to recover health or even collect Power Cubes more safely and delaying any Boss attacks that were incoming. Lou's Super is also very effective, because the slippery ice makes the Boss struggle to launch an attack. This is amplified with his Supercool Star Power. In addition, Lou's Cryo Syrup gadget is very useful for adding 50% freeze meter to the Boss in an instant if you need to insta-freeze the Boss in certain tight situations or just to deal more damage to the Boss.
Belle: Belle can use her Super to permanently increase her team's damage output to the Boss Robot. However, she can't do much damage to the Boss Robot herself, and can get overwhelmed by the Boss Minions due to her inability to damage multiple enemies with a single attack. If you are lucky, you could use her attack’s bounce affect to deal constant damage to robots when coming in swarms. However, it requires a large swarm of robots for it to be used in maximum effect. You can use her Nest Egg Gadget to slow down the Boss and her Positive Feedback Star Power for a shield if she has low health, for example. Her Grounded Star Power is worthless in this game mode, because it has no use on the Boss nor on the minions.
Ruffs: Ruffs has a long range and just like Rico, his attacks can bounce off of walls, so he can attack the Boss Robot while being out of its range. His Super can boost the health and damage output of Ruffs and his teammates, which will help in later game. His Field Promotion Star Power can increase the maximum health for his teammates, which is decent for low-health Brawlers such as Edgar or Colt and extremely useful for heavyweights because it’ll be more difficult to eliminate the heavyweights. In addition, Take Cover Gadget can protect Ruffs and his teammates from deadly attacks, which in certain situations such has if you’re the last teammate alive or if you and or allies are low on health, is useful. His Air Support Gadget can help to eliminate the Boss much quicker.
Nita: A Nita with the Bear With Me star power can be really useful against the Boss. She charges her super and places it next to the Boss, then she gets closer until the bot start hitting her, the bear will attack the Boss and heal you, with heal quantity being enough for Nita survive the Boss's hits. This Strategy can also be used with a Pam, with her turret, she can heal Nita more allowing her to survive for longer. Having Nita's Faux Fur Gadget allows her bear to survive longer, which also proves useful in this strategy.
El Primo: Due to his high health, he can't get killed too easily. His attack can pass through enemies and deal certain amount of damage similar to Edgar. He also has Super to escape when he has low health or to deal additional damage to the boss.
Buster: His Super, which charges if an ally is within a radius of him, prevents him and allies from taking damage from the missiles, and reflects the damage to the boss, and his Slo-Mo Replay Gadget is useful for stopping them. Also, his main attack has a high-damage output at close range and can hit multiple targets at once, being helpful to deal with the robot minions as well.
Larry & Lawrie: With his 2nd Star Power "Protocol: Assist", Larry can easily spam ammo while Lawrie attacks the Boss, dealing both massive damage to it.
Dynamike: Dynamike deals great damage with lobbed dynamite against Bosses and the robot minions, while his Super knocks back the Boss and interrupts its clockwise rocket attack. His Gadget Satchel Charge is good for stunning the Boss in a pinch, to save another Brawler's life or allow teammates to deal massive damage. But probably most importantly, his DynaJump Star Power, when timed correctly, enables Dynamike to completely dodge the Boss's clockwise rocket attack--and sometimes aggro the Boss to another Brawler if you're in a pinch. This is a little tricky to time consistently, but with practice, this will often become an extremely important resource to stay alive.
Poco: Poco's Super heals Brawlers whenever in a pinch. However, it is his Da Capo Star Power which allows Poco to truly shine, allowing him to heal brawlers and deal damage to the Boss simultaneously, with patient uses of his normal attack. Poco's healing scales up with the number of Power Cubes that the brawlers that he heals has collected. For a Brawler with zero power cubes, his normal attack heals the normal 865 health. But for a Brawler with Power Cubes, Poco's attack heals 865 health multiplied by a variable relative to the number of Power Cubes the healed brawler has. This means Poco can potentially heal thousands of health per attack on a heavy brawler with multiple Power Cubes, allowing any heavy brawler such as Bull, El Primo, Darryl, Pam, or even Bibi to constantly attack the Boss and get healed similar to Edgar. Poco's Gadget Tuning Fork heals all nearby Brawlers, and this also scales up on Brawlers with Power Cubes.
Jessie: Jessie's attacks are great for holding off bots, as her attacks can bounce between multiple minion bots at once. Her gadget Recoil Spring allows her turret to deal massive damage to the Boss, while both Star Powers have great uses; Energize keeps her turret hitting the boss for longer, while Shocky allows her turret's shots to bounce from the Boss to multiple nearby minion robots.
Bibi: Bibi's main baseball bat attack deals great damage and has a fast reload. When her Home Run bar is full, Bibi's bat knocks the Boss back and stops its rocket attacks. Her Vitamin Booster gadget allows herself to heal if she's in a pinch. Both of her Star Powers are useful; her Home Run Star Power allows her to run faster when her Home Run bar is full, while Batting Stance gives her a 20% shield when her Home Run bar is full. If accompanied by Pam or Poco, Bibi can function as the main damage dealer and tank against the Boss.


  • The respawn time is 20 seconds instead of the normal (5 seconds), so it is important to stay alive. The Boss also gets harder to defeat as time progresses, making it essential to avoid dying and keep dealing damage as quickly as possible.
  • The Boss's attacks are very predictable, making them easy to dodge. Make use of the cover to avoid the rockets from the robot. Use walls wisely and try not to destroy too many.
  • The Boss always fires its rockets in a clockwise motion, so it is advised to move counterclockwise around the Boss if you can't avoid them entirely. It is easier to dodge the rockets entirely when you're close to the Boss, but you’ll risk being hit by more of them if you're not completely out of their range.
  • Try to deal as much damage as possible before the Boss becomes higher in anger levels. The Boss's anger level isn’t affected by its health level but by the timer. The attacks that the Boss can perform during its higher anger stages make it more difficult to deal damage. If you can, collect the Power Cubes that the Boss drops along the way, which allows you to deal much more damage and survive better.
  • In Insane levels, one Brawler should focus on collecting all of the Power Cubes. This should be the Brawler with the most speed and range, in order to make the most use of the cubes. Slower and short-ranged Brawlers usually won’t be able to survive and get close enough to do much damage late-game. Alternatively, a highly skilled Bull with his Berserker Star Power or a Darryl with his Rolling Reload Star Power (when partnered with Pam and 8-Bit) can make effective use of the cubes to help stay close to a constantly cornered Boss and do extreme damage. It is important that the designated player collecting the cubes not be defeated, as those cubes will then be lost. Edgar as a Power Cube carrier is another alternative because he can attack the Boss and heal simultaneously and continuously due to his extremely quick unload speed and reload speed, and his Fisticuffs Star Power can boost the healing tremendously, increasing survivability.
  • You should also avoid using Brawlers like Brock, Piper, or Gene in Boss Fight due to their very slow reload speed and inconsistent damage over a long time. However, Belle is still a viable option due to her ability to mark the Boss and permanently increase the damage the Boss takes.
  • The Boss always walks toward (or charges at) the nearest Brawler. Leading the Boss in a specific direction can be used to maneuver them into the most useful position for teammates to damage them, and help prevent them from getting too close to vulnerable teammates.
  • In Master and above, the Boss starts shooting rockets that target the closest Brawlers. Have a fast Brawler such as Max to stay close to the Boss to attract and dodge rockets and deal damage to the Boss, while having 2 longer-ranged Brawlers such as 8-Bit to destroy minions and target the Boss from far away.
  • When the Boss stops to use an attack, preferably the rocket attack, take the chance to attack it from the side or rear, as it's completely vulnerable to attacks.
  • When the Boss gets stunned or knocked back while it uses the lasers, the effect abruptly interrupts the Boss from shooting the rockets, making it easier for you and your teammates to survive. You can use this to your advantage by stunning or knocking back the Boss whenever it is about to shoot lasers, such as with Gale’s Super.
  • A good team combination is Belle, Edgar and 8-Bit/Pam. Belle should be maxed out, 8-Bit and Pam should use Boosted Booster and Mama's Hug Star Powers, respectively, with 8-Bit also using his Extra Credits Gadget. Belle and the 8-Bit/Pam should charge their Supers, and let the Edgar collect the cubes. Belle should first use her Super on the Boss. The Edgar fights the Boss Bot with his Fisticuffs Star Power and Power Cubes, while Belle and 8-Bit/Pam take down the bot swarms, especially the long-ranged sniper bots.
  • It is also not always important to collect fallen power cubes as while going near it you may get attacked by bots or Boss robot. Save it for your teammates or for later so you can collect it. It may immediately be helpful to your teammates. When you respawn, try to get fallen Power Cubes left but if a Bot or the Boss Robot is near, be cautious as your immunity will diminish in some seconds and you may die again.


  • On 21/12/18, Boss Fight was added to the game.
  • On 29/01/19, the message now shows when the next Boss rage stage is triggered. Added one more rage stage, and show in-game which difficulty you are playing. The respawn time was increased by 2 seconds.
  • On 27/02/19, fixed a bug that caused the Boss to get stuck in the water after charging.
  • On 15/04/19, fixed a bug that allowed Gene to pull the Boss robot so that it got stuck.
  • On 18/09/19, the Boss now targets the closest Brawler instead of the farthest Brawler with the rocket attack. Fixed a bug that caused 8-Bit's Extra Life to not work in Boss Fight if he was the last Brawler alive.
  • On 29/04/20, fixed a bug that caused the Boss to get stuck. Fixed a bug which allowed Boss Fight to be played without Tickets.
  • On 20/05/20, fixed a bug that caused server error 43 when stunning or knocking back the Boss while charging.
  • On 29/06/22, the Boss Robot and the Melee Bot received new visual effects for their main attacks.
  • On 31/08/22, all Robots were remodeled and the Boss Robot visual effects were reworked for its main attacks.