Crash Fever Collaboration Event

Crash Fever (クラッシュフィーバー, Kurasshufībā) is a Puzzle & RPG game published by WonderPlanet Inc. for Android and iOS devices, had a collaboration event with Battle Cats.

Period: Mar. 21st, 2017 - Apr. 4th, 2017.

Event
During the event period, Crash Fever collaboration gacha is available to spin, this gacha has 2 exclusive characters:
 * Collaboration Gacha
 * *Crash Fever characters won't discharge from any other Gachas, please switch to this Gacha before using Cat Food/Rare Tickets.
 * *Commonly-seen Cats in the Rare Capsule pool can also be discharged here.
 * *If this Gacha does not appear, the player needs to update Battle Cats to the latest version (5.10.1)

Crash Fever characters appear as enemies. Collaboration Stages can be seen in the Stories of Legend menu → "Start!!" button. There are two chapters, one named "ALICE's Entrance" (ALICEの入り口) and "Old City's Moonlight" (月夜のオールドシティ), which appear 3 days later. These are all timed stages, so try to clear them as fast as possible to get more prizes. The player will receive 30 Cat Food for completing each chapter.
 * Collaboration Stages
 * *Rewards of each level can be seen on the bottom-left corner in its chapter.
 * *The player needs to update Battle Cats to the latest version (5.10.1) for these stages to appear.

During the event period, a limited character Happi 100 can be unlocked by playing collaboration stages in Crash Fever.
 * Benefits from Crash Fever
 * Collab stage 【にゃんこ軍団現る】 completed will reward Happi 100;
 * Collab stage 【ネコムート襲来】 completed will reward XP + 30000;
 * Collab stage 【狂乱のネコ降臨】 completed will reward Silver Ticket +3.

To receive rewards, from the home screen of Crash Fever, tap 「ミッション」 → 「スペシャル」. tap 「挑戦する」 to go to Battle Cats and earn the rewards.


 * *Happi 100 is unlocked in the Special Cat section of the Upgrading menu.
 * *And again, the player needs to update Battle Cats to the latest version (5.10.1) to receive benefits.

ALICE's Entrance
ALICEの入り口, ALICE no iriguchi

Old City's Moonlight
月夜のオールドシティ, Tsukiyo no ōrudoshiti. These level are not allowed to continue after losing.