Cookie Run: Kingdom has this new recurring event to be played for a limited time, and it is called the Boss Rush Season 2. It brings a lot of challenges to the table, and a lot of new content is going to appear there, too. Season 2 ran from May to June 2025 as part of the Garden of Sweet Delights update, while Season 3, introduced in the Silence of Conviction update (v6.9), runs from October 1 to October 22, 2025. So, wanna know what this new Boss Rush event brings? Then stay with us.
Contents
What is Cookie Run: Kingdom Boss Rush Season 2?
Boss Rush is a limited-time mode where you can battle a series of powerful bosses using teams of up to seven Cookies from the Cookie Run: Kingdom tier list. These are showing more similarities to the Guild Battles, and you can see bosses retain depleted HP across attempts. So you are given with multiple tries to defeat them. Season 2 had total 15 stages, while Season 3 is extending it into 30 stages with multi-phase bosses and new mechanics. Every season is known to bring unique challenges, so you must have the best optimizations as well as the best teams to handle them.
Key Features
The key features included with this new event are:
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Stages: 15 stages will were there in Season 2-1, each featuring a unique boss with specific mechanics, weaknesses, and Synergy Effects. And there are total up to 30 in the season 3 and retrying them will cost you three tickets per one try.
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Tickets: You can receive 6 Boss Rush Tickets daily, with the option to gain three additional tickets by watching ads or spending 300 Crystals (once per day). Tickets are consumed per battle attempt.
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Suppression Level: A progression system that enhances team stats using Suppression Spears can be obtained from Battle Supply Chests.
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Synergy Effects: Buffs activated by specific team compositions in the event are crucial for maximizing damage and survivability.
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Rewards: rewards include Stage Rewards for first clears, and there are Ranking Rewards based on leaderboard position as well as shop items purchasable with Challenge Coins.
Cookie Run: Kingdom Boss Rush Event Mechanics
The whole event will follow a set of rules and mechanisms, so as a Cookie Run: Kingdom beginner, learning and knowing them will prevent you from trouble. So, let’s start step by step.
Accessing Boss Rush
You can unlock this mode after making enough progress in the game, usually once you finish the early parts of World Exploration. To find it, go to the event tab on the main menu and look for Boss Rush. The new, recurring event will run until October 22nd, 2025 with the Beast-Yeast episode 11. Once the event ends, there will be a short period for final results, and you won’t be able to fight during that time.
Battle Rules
There are several rules to follow here as well.
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Team Composition: Up to 7 Cookies per team, with no restrictions on Battle Points (unlike Boss Hunt).
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Auto-Leveling: All Cookies are set to Level 90, with skills at Level 90 and Beascuits at Level 20 (if below).
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Disabled Features: Landmarks, Guild Levels, Guild Relics, Bonds, Sugar Gnome Laboratory, Costume Sets, Treasures, and the Statue of Heroic Radiance have no effect, making Cookie levels, toppings, and Synergies the primary factors.
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Boss HP: Bosses retain depleted HP across attempts, allowing multiple tries to defeat them.
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Time Limit: Battles are timed (approximately 40 seconds per stage), requiring efficient damage output.
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Practice Mode: Allows unlimited testing of team compositions without consuming tickets, ideal for refining strategies.
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Hire Feature (Season 3): Up to 3 free hires per team for testing/underleveled Cookies. Exiting before damage refunds tickets. Post-clear retries (3 tickets) update leaderboard records.
Suppression Level
The main goal here is to make your team stronger by using Suppression Spears to unlock extra stats. In Season 2-1, the highest level you were able to reach is 30, but this limit goes up season 3 at level 100.
You get Suppression Spears from Battle Supply Chests, which gather rewards over time in the Boss Rush lobby. Everyone gets the same rewards from these chests, no matter when they decide to open them. It’s a good idea to focus on leveling up your Suppression early since it gives a big boost to your damage and helps you stay alive longer, which really helps in the tougher parts of the event.
The key milestones to consider here are:
|
Level Milestone |
Bonus |
|
Lv. 25 |
Cooldown -5% |
|
Lv. 51 |
DMG Resist +5%, CRIT DMG +10% |
|
Lv. 75 |
Cooldown -35% |
|
Lv. 100 |
Cooldown -50% |
Stat Progression
|
Lv. Range |
Cost per Lv. (Spears) |
ATK% |
CRIT% |
DMG Resist Bypass% |
|
1-2 |
- / 2 |
10-10.9 |
5-6 |
5-6.9 |
|
3-10 |
1,000 |
11.8-18.2 |
6.9-13.6 |
8.9-22.4 |
|
11-20 |
1,500 |
19.1-27.3 |
14.6-23.2 |
24.4-41.8 |
|
21-30 |
2,000 |
28.2-36.4 |
24.2-32.4 |
43.8-60.7 |
|
31-50 |
2,500 |
37.3-54.5 |
33.3-52.0 |
62.6-100 |
|
51-100 |
3,000 |
55.5-90.9 |
53.0-100 |
100 (max) + DMG Resist/CRIT DMG scaling |
Synergy Effects
Some stages reward you for building your team with specific roles or element types by triggering powerful buffs known as Synergy Effects. These are tied to your squad’s composition, such as having a certain number of Bombers, Support units, or elemental attackers.
Stages reward specific team compositions (roles or elements) with powerful buffs called Synergy Effects. Use the “Synergy Ideas” button when editing squads. Hidden synergies, hinted at in boss descriptions or event notes, offer strong boosts.
Example (Season 2):
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Shadow of Venom: Requires 1 Healing, 1 Ambush, 1 Magic, 2 Bomber, 1 Ranged, 1 Charge. Summons Prune Jelly Familiar (Poison DMG). Sea Fairy Cookie (Bomber) excels with Waves of Depth (Water DMG every 10s).
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Darkness Overlord: 2 Ranged, 2 Bomber, 1 Support, 1 Charge, 1 Defense. Activates Dark Cacao’s Rally Effect and Licorice Servants (Darkness DMG). Black Sapphire Cookie fits as Support.
Season 3: Synergy Waffles
New single-use items from chests/missions substitute for Cookies or elements, easing team-building. Key types:
|
Rarity |
Waffle Type |
Effect |
|
Legendary |
Charge/Defense/Ambush/Magic/Ranged/Support/Bomber Waffle |
Substitutes for 1 Cookie of that role in synergies. |
|
Epic |
Poisonous/Earthen/Surging/Dark/Thunderous/Frozen/Gleaming/Burning/Wuthering/Steelen/Verdant Waffle |
Converts attacks to that element type (e.g., Poisonous for Poison DMG). |
|
Epic |
Waffle of Lasting/Fury/Mastery/Revival |
+20s battle time; DEF +20%; CRIT +20%; +1 revive. |
|
Rare |
Waffle of Meteorite/Lightning/Lasting/Onslaught/Doom |
Summons meteor/lightning every 10s (team ATK DMG); +15s time; ATK +20%; CRIT DMG +20%. |
|
Common |
Waffle of Clash/Attunement/Swiftness/Robustness |
Boss Mechanics
And here are the mechanisms followed up by the bosses in this latest Cookie Run Kingdom boss rush season 2.
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Rage Mode: Certain bosses enter Rage Mode when HP drops below a threshold, altering attack patterns and vulnerabilities. Adjust strategies accordingly (e.g., switch to Ice-type Cookies for bosses weak to freezing effects).
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Vulnerabilities: Bosses may take extra damage from specific elements (e.g., Lightning, Water, Ice) or status effects. Check boss info for details.
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Stage Progression: Defeating a boss unlocks the next stage. After clearing all 15 stages, players can replay stages to improve clear times for better leaderboard rankings.
Recommended Cookies and Builds
Even if you see this Boss Rush as simple, it still needs some better cookies for a Cookie Run Kingdom team and builds to conquer every challenge there. So, below are examples of Cookies and builds you should get used to at specific stages.
Season 2 Recommended Teams (Stages 1-12)
|
Stage and Boss Weakness |
Team |
Builds |
Synergy |
|
1 Extra Crit, Lightning |
Burning Spice, Stormbringer, Rebel, Sherbet (or Creme Brulee), Star Coral, Twizzly Gummy, Linzer |
Rebel: Juicy Apple Jelly (ATK, Crit). Burning Spice: Searing Raspberry (ATK, DMG Resist bypass). Twizzly Gummy: Swift Chocolate (Cooldown, Crit). |
Raspberry toppings for Crit, Swift Chocolate for Cooldown. |
|
2 Ice (stun counter) |
Burning Spice, Financier, Cocoa, Frost Queen, Rockstar, Fire Spirit, Linzer |
Frost Queen: Swift Chocolate (Cooldown, DMG Resist). Cocoa: Swift Chocolate (Cooldown, survivability). |
Sherbet/Frost Queen stun-lock with freezes. |
|
6 Water (summons) |
Sea Fairy, Burning Spice, Black Pearl, Black Raisin, Linzer, SnapDragon, Pure Vanilla |
Sea Fairy: Searing Raspberry (ATK, Crit). Pure Vanilla: Swift Chocolate (Cooldown, healing). |
Sea Fairy’s Water DMG + summons. |
|
12 (Regretful Alchemist) Survivability, tanks |
Hollyberry, Dark Cacao, Shadow Milk, Golden Cheese, Pure Vanilla |
Shadow Milk: Searing Raspberry (ATK, Crit). Golden Cheese: Swift Chocolate (Cooldown, DMG Resist). |
Tanks absorb damage; Shadow Milk for high DMG. |
Season 3 Recommended Teams (Stages 1-15)
New teams for Season 3 have to focus on 1-2 ticket clears, leveraging Synergy Waffles. Stages 16-30 recycle early synergies with twists (e.g., Stage 20 mirrors Stage 10 with Rage). See full guides for details.
|
Stage and Boss |
Weakness |
Team |
Builds/Synergy |
Tips |
|
1 Labyrinth Candy Golem |
Lightning |
Stormbringer, Burning Spice, Eternal Sugar, Black Lemonade, Linzer, Twizzly Gummy, Pure Vanilla |
Apple Jelly (ATK/CRIT); Searing Raspberry on Lemonade; Cooldown on PV/Linzer. Thunderous Waffle. |
1 ticket; tight time—boost suppression early. |
|
2 Waffle Goliath |
Ice/Frost |
Snow Sugar, Sherbet, Fire Spirit (or Shadow Milk), Frost Queen, Linzer, Twizzly Gummy, Pure Vanilla |
Searing Raspberry on magic Cookies; Cooldown on Sherbet; Apple Jelly on Twizzly. Frozen Waffle. |
1-2 tickets; stun-lock with freezes. |
|
3 Strawberry Crepe Cookie |
Mixed (Phase 1 focus) |
Rebel, Eternal Sugar, Captain Caviar, Sea Fairy, Linzer, Twizzly Gummy, Fire Spirit |
Searing Raspberry; Water synergy via Sea Fairy. Surging Waffle. |
2 tickets; >50% HP in Phase 1 for easier Phase 2. |
|
4 Angry Iced Snowman |
Fire |
Silent Salt (hire), Dark Cacao, Pitaya Dragon, Burning Spice, Marshmallow Bunny, Fire Spirit, Nutmeg Tiger |
Burning Waffle for Fire DMG. |
1 ticket; tank-heavy for snow blasts. |
|
5 Stink-Eye Tortuca |
Poison |
Dark Choco, Burning Spice, Eternal Sugar, Golden Cheese, Prune Juice, Sea Fairy, Pure Vanilla |
Searing Raspberry (except Cooldown on Prune/PV); Poisonous Waffle. |
1 ticket; Prune summons key. |
|
6 (Hidden) Frozen Tower Guardian |
Water/Ice |
Peppermint, Sorbet Shark (+ fillers like Linzer/PV) |
No toppings needed for hidden duo; Water Waffle. Hidden: Lore synergy (sea explorers). |
1 ticket; low investment—great for beginners. |
|
7 Giant Golden Cheese Cookie |
Earth |
Dark Cacao, Frost Queen, Shadow Milk, Fire Spirit, Golden Cheese, Pure Vanilla (or Okchun), Linzer |
Cooldown on PV; Earthen Waffle. |
2 tickets; Okchun > PV for sustain. |
|
8 Bachalomoth the Dreamer |
Wind |
Kouign Amann, Rebel, Burning Spice, Linzer, Twizzly Gummy, Creme Brulee, Pavlova (alt: Wind Archer) |
Searing Raspberry; Wuthering Waffle. |
2-3 tickets; wind-weak—avoid fire/dark. |
|
9 Candle Staff Pralina |
Light |
Financier, Hollyberry, Kouign-Amann, Clotted Cream, Creme Brulee, Pavlova, Linzer |
Caramel on Linzer; Ranged Waffle for Absolute Faith. Gleaming Waffle. |
2 tickets; Light Beascuits on CC/Creme. |
|
10 Royal Gardener |
Grass/Earth |
Stormbringer, Burning Spice, Jagae, Eternal Sugar, Linzer, Manju, Star Coral (alt: Sorbet Shark/Frilled Jellyfish) |
Verdant Waffle; +15s time Waffle. |
2 tickets; Coral + Sugar duo shines. |
|
11 Raging Dream Conductor |
Phase 1: Lightning; Phase 2: Poison |
Phase 1: Stage 1 team; Phase 2: Stage 5 team |
Thunderous/Poisonous Waffles. |
3 tickets; exit after Phase 1 start to save time. |
|
12 Shacka Rocka |
Phase 1: Frost; Phase 2: Light |
Phase 1: Stage 2; Phase 2: Stage 9 |
Frozen/Gleaming Waffles. |
3 tickets; high DR—use time Waffles. |
|
13 (Hidden) Mystic Echo |
Mixed |
Dark Cacao, Mystic Flour (+ fillers) |
Searing Raspberry; hidden lore synergy. |
1-2 tickets; star-count bonus helps. |
|
14 Spicy Dumpling King |
Phase 1: Earth; Phase 2: Wind/Grass |
Phase 1: Stage 7; Phase 2: Stage 10 |
Earthen/Wuthering Waffles; +30s time. |
3+ tickets; grindy—experiment with hires. |
|
15 Leavened One |
Phase 1: Steel; Phase 2: Mixed |
Phase 1: Dark Cacao, Hollyberry, Kouign-Amann, Burning Spice, Eternal Sugar, Linzer, Twizzly Gummy; Phase 2: Stage 10 |
Steelen Waffle. |
3 tickets; Phase 2 teams die fast in Phase 1—adapt. |
Rewards to Collect
So, there will be different types of rewards for different milestones to collect in this new event.
Stage Rewards
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First Win Rewards: Earned by clearing a stage for the first time, including Suppression Spears, Challenge Coins, Coins, and Star Jellies.
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Participation Rewards: Granted for battling, even if the boss isn’t defeated.
Ranking Rewards
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Leaderboard: Rankings are based on total clear time across all stages. Higher ranks yield better rewards, such as Crystals, delivered via the in-game mailbox at the season’s end.
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Tip: Focus on clearing all stages first, then optimize for faster times to improve rank.
Shop Rewards
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Currency: Challenge Coins from Battle Supply Chests and stage clears.
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Items:
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Eternal Sugar Soul Stones: Up to 8 in Season 2, 10 in Season 3 (4-5 per refresh).
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Cookie Cutters, Pristine Powders, Skill Powders: Essential for Cookie upgrades.
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Other: Crystals, Topping Pieces, Star Jellies.
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Season 3 Note: Unused Tickets/Coins convert to Coins at event end.
Multi-instance & Sync: Operate multiple accounts simultaneously to improve rerolling efficiency
One-key Macro：Record and auto-execute your actions, making resource farming and dungeon clearing a breeze
High FPS & Keyboard Mapping：Smoother combat, precise skill activation, and no lag or frame drops
Video Recorder：Record highlights and turn them into shareable videos
People Also Ask
What happens when you complete boss rush?
If you complete them, you will be rewarded with rocks as well as some more dropping rewards from bosses.
How to beat boss rush fast?
Try to go with a powerful weapon like thunder sword, assault rifle or the rainbow gattling so it will be easier to beat the boss rush fast.
Is boss rush 20 or 25 minutes?
It will be around 25 minutes.
Conclusion
So, are you ready to take the Cookie Run Kingdom boss rush season 2 event? Then no need to wait, take all the useful strategies from our guide, and it is time to take the cookie adventures to the best victory with useful rewards from Cookie Run Kingdom codes too.
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