Extreme Challenge (April 2015 event)

Extreme Challenge was a limited-time event started from 28 April to 11 May 2015, 5 p.m. (GMT+9). Players are required to reach certain goal in the game in order to earn prizes. This event was very similar with November 2014 version where the event will appear just before a new season starts.

Rules

 * 1) Players can see the goal list by tapping Extreme Challenge button at the top right corner of the home screen or while playing the game.
 * 2) Players are required to reach the goal within one play (not combination of several plays) in order to receive the reward. Players can check the goal progress while playing and when the goal is achieved, a green check mark will appear in game.
 * 3) Players can only achieve one goal for every run. The player must end the current game before a new goal will open.
 * 4) Players can achieve the goal in every episodes, including Ghost Pirate's Island of Coins.
 * 5) Cookie Relay use is allowed.
 * 6) Goals must be achieved before the game ends. Bonuses that will appear in Game Windows will not affect the goal. (For example, when the goal is Collect 1000 coins, the player must have to collect 1000 coins in game before the game ends, and coin bonuses from treasures did not apply.)

Walkthrough
Below are some helpful tips for finishing certain missions. Many missions does not require a decent or expensive cookie, even many missions can be done with low level cookies! {| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 700px;"
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Change into Bear Jellies with a Bear Jelly Party
Only jellies that turned from normal jelly into bear jelly with All-Bear Jellies will count.
 * Use Double Bubble for producing All-Bear Jellies.
 * Use Cherry Cookie and Jellyco Cube's Lost Jellyco optionally for better chance of getting more normal jellies turned into bear jellies.
 * Use Power Jellies Boost so All-Bear Jellies last longer.
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Destroy many obstacles
Use invincibility items or cookies/pets that destroys obstacles a lot (the most recommended are, Muay Thai Cookie and Werewolf Cookie). Other options are Muscle Cookie with Random Boost "Invincible to 70% of Obstacles.
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Fall in holes
Intentionally fall in holes.
 * If more than one fall is required, use Random Boost "2 lifts from a hole", GingerGhost or Rocket Firecracker, or treasures that will help to lift up cookies.
 * Rocket Firecracker also can lift from a hole for unlimited times as long as every 20 seconds.
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Get Alphabet Jellies

 * Use Coffee Cookie or Apple Cookie.
 * For pets, use Mocha Delight.
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Get a score in the game
Do your usual way to earn high score until you get the target score. You can check this blog post too.
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Get a Star Jelly Party

 * Star Bubbles sometimes found during certain stages, most often in Primeval Jungle and Dragon's Valley and space type of bonus time.
 * To increase the chance (because Star Bubbles cannot be attracted by magnetic aura) players can use Blackberry Cookie with Ghost Butler or Prophet Cookie with Purple Candle.
 * Using Kiwi Biker Cookie as your cookie relay can help you reach the last two levels of Dragon's Valley in which there are many Star Bubbles.
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Get big energy potions
Big energy potions can only be found before changing each stage.
 * Run in Escape from the Oven, as it offers the shortest run for getting big energy potions. However, for numbers - Primeval Jungle has 11 big energy potions meanwhile Escape from the Oven only has 10.
 * Use Boarder Cookie, Knight Cookie, or Kiwi Biker Cookie and Rare Garlic or Foxy Bead if you want to speed up the game. Using relay as a caution might be helpful.
 * style="text-align: center;"|EC-Get-Bonus-Time-Jellies.jpg
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Get Bonus Time Jellies
Don't be confused - you are required to collect jellies during Bonus Time.
 * Make your bonus time 5 seconds longer and 30% faster with combining Strawberry Cookie and Magic Pod.
 * Maximize your magnetic aura so all jellies during Bonus Time can be collected.
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Get Coins in the game

 * Do coin farming.
 * Use Mint Choco Cookie or Cheesecake Cookie and Gold Drop, Mr. Fa-Sol-La-Si, Paprika Punching Bag, or Fluffy Cheese Cat.
 * You can also run in Ghost Pirate's Island of Coins.
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Get Giant Coins

 * Equip Gold Drop, as the pet produces the shortest (every 11 seconds).
 * Mint Choco Cookie occasionally produces Giant Gold Coins too (one every ten smaller coin flower).
 * Do not use Mr. Fa-Sol-La-Si or Paprika Punching Bag, both doesn't count.
 * Run in Ghost Pirate's Island of Coins
 * style="text-align: center;"|EC-Get-Gold-Coins.png
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Get Gold Coins
There are several ways to get more gold coins:
 * Equip Cheesecake Cookie and Dust Unicorn.
 * Equip Pirate Cookie or Alchemist Cookie with Pirate's Bomb, but you must also add a random boost "Gold Coin Boost".
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Get King Bear Jellies

 * King/Giant Bear Jellies are found mainly before the energy potion or randomly during stages.
 * Using Luck-o'-Lantern may help because the pet may produces the Giant Bear Jelly.
 * Prophet Cookie and Purple Candle may also help during the cookie's sight, although the chance are a bit small.
 * style="text-align: center;"|EC-Get-Lifted-From-Holes.jpg
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Get lifted from holes

 * Use Random Boost "2 lifts from a hole", GingerGhost or Rocket Firecracker, or treasures that will help to lift up cookies.
 * Rocket Firecracker can lift from a hole for unlimited times as long as it is for every 20 seconds.
 * style="text-align: center;"|EC-Get-Lots-Of-Bonus-Times.jpg
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Get lots of bonus times
Equip Magic Pod or Cozy Yarn to get a lot of bonus time.
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Get Pink Bear Jellies

 * Use Pink Choco Cookie and Pink Candy as both cookie/pet produces Pink Bear Jelly a lot.
 * Use Pink Bear Jelly Party Hat so everytime you earn All-Bear Jelly, you will get Pink Bear Jellies instead of Yellow. Episode 2: Primeval Jungle has most All-Bear Jelly between the run.
 * Additionally, you can found Pink Bear Jellies in Bonus Time.
 * Using Prophet Cookie as relay may also help because the cookie's effect will also produce Pink Bear Jellies.
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Get Points in Bonus Time
1 point shown in mission = 10,000 points.
 * The best combination are Strawberry Cookie or Apple Cookie with Cozy Yarn or Magic Pod
 * Use treasures that increases points or length in Bonus Time, such as Apple Cookie's Apple Hairpin or Smooth Rainbow Colored Petals
 * Be sure the Bonus Time upgrade is fully upgraded to Level 60 for a 30% Bonus.
 * style="text-align: center;"|EC-Get-Silver-Coins.jpg
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Get Silver Coins

 * Make a run in Ghost Pirate's Island of Coins.
 * Use Mint Choco Cookie or Cheesecake Cookie as they produces lots of silver coins.
 * style="text-align: center;"|EC-Get-Winged-Jellies.jpg
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Get Winged Jellies

 * Run only in Primeval Jungle or Dragon's Valley.
 * Winged Jellies are produced by Pink Choco Cookie and Cheesecake Cookie's invitation jellies.
 * Winged Jellies can also be found in Bonus Time in both episodes.
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Get up after sliding
You need to tap Slide and release it as fast as you can.
 * Run in Escape from the Oven, as it has the least obstacles and holes.
 * Use double finger jumping technique, but in Slide button.
 * To avoid falling, use pets/treasures that lifts up the cookie.
 * style="text-align: center;"|EC-Get-Yellow-Bear-Jellies.jpg
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Get Yellow Bear Jellies

 * Double Bubble.png Double Bubble for producing All-Bear Jellies. Combine it with Cherry Cookie to produce the maximum number of Yellow Bear Jellies.
 * Use Increased Base Speed and Power Jellies Boost to prolong the Double Bubble effect.
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Incur damage from hitting obstacles
You need to intentionally left your cookie hitting obstacles and loses some energy. It is possible to make 35 obstacle hits, you can use:
 * Random Boost "Crashing takes 30% less energy" and Energy Boost
 * Princess Cookie combined with any cookie that gives energy (Enchanted Locket is the fastest at 13.5 secs)
 * Zombie Cookie as the relay cookie (use the 8 revives power)
 * Any treasures that will help reduce energy loss, revives your cookie, or bonus energy at relay.
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Jump many times
Use double finger jumping technique where you are using two fingers at the same time to make a double jump with the height of single jump.
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Last a long time without being damaged
Play as usual without hitting any obstacles for certain seconds long. To avoid, players may use invincibility items or using cookies/pets that may help destroy obstacles.
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Pass many obstacles
You can get the cookie passing obstacles with:
 * Intentionally hit an obstacle and letting the cookie invisible for short seconds.
 * Pirate Cookie's ghost revive
 * Vampire Cookie (recommended)
 * Purple Candle
 * Devil Cookie's Super Devil Rush
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Perform two-step jumps

 * Run in Escape from the Oven where it has the least obstacles and holes.
 * Use "double finger jumping" technique where you are using two fingers at the same time to make a double jump with the height of single jump. When you are doing this, it is very vulnerable of hitting an obstacle or falling into a hole. The following combination is recommended: Muay Thai Cookie and Brain Gum as the main cookie and pet, Pirate Cookie as the relay, Random Boost "Invincible to 70% of obstacles", and use treasures that will lifts up the cookie.
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Revive many times
Revive means when your cookie dies out of energy but come back alive again with small energy. You can maximize revives with:
 * Use Random Boost "Revive once with 80 energy"
 * Equip Zombie Cookie and Furball Pup.
 * Use treasures that revives the cookie, the best is Wonder Donut.
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Run for longer
You need to keep the cookie running for a set of seconds excluding the Bonus Time.
 * To help survive the game, do not use items that increases the base speed and if possible avoid Blast Jelly.
 * Using Energy Drain reducers such as Random Boost "Slower Energy Drain".
 * You can also use Revival abilities like Zombie Cookie, Pirate Cookie, or Furball Pup to extend your run.
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Total Sliding Time

 * Run in Escape from the Oven for the least holes.
 * Use invincibility items or use Rockstar Cookie that will help destroy obstacles while sliding.
 * For pets you can use Snow Blossom for covering holes or Furball Pup for the best revives.
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Your Pet gets Jellies
You need to take Magnet Jelly so you can get your Pet taking jellies.
 * Equip Electric Beat or Marshmallow Hamster, and for optional help equip cookies that run faster (Boarder Cookie, Hero Cookie, or Kiwi Biker Cookie).
 * Alternatively, you can also use Cheeseberry but this method isn't the most effective.
 * style="text-align: center;"|Picture TBA.
 * style="text-align: center;"|Picture TBA.

Get a lot of Jellies
Combine magnetic aura for strong power to take jellies.
 * Recommended combination are cookies with producing extra jellies (e.g. Blackberry Cookie) with pets that gives a lots of jellies (e.g. Purple Candle, Jellyco Cube, and Glitter Ball).
 * Use magnetic aura treasures such as Angel Cookie's Holy Feather or energy drinks.
 * style="text-align: center;"|Picture TBA.
 * style="text-align: center;"|Picture TBA.

Maintain Bonus Time for longer

 * Use Strawberry Cookie or treasures that help Bonus Time lasts longer.
 * Upgrade the Bonus Time length to level 30 for 11.0 seconds minimum.
 * Use Cozy Yarn or Magic Pod to get Bonus Time more often.
 * }

Trivia

 * Completing all of the challenge will grant the players a total of 77, 11 Supreme Treasure Chest Tickets,  186,000,  3,700,  1,360, and various Boost Sets.

Similar Events

 * Extreme Challenge (November 2014 event)
 * Infinity Jelly Challenge