Drill Dozer (GBA)

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Secret password effect codes

Once an Unlock Code has been entered in the secret room in the tutorial level, you may enter one or more Effect Codes of equal or lower level. These codes may be entered freely and without any specific method - there is no need to reset the combination lock at any time unless you need to enter another Unlock Code.

Entering in a correct Effect Code will cause a chest to appear from the purple brick pipe in the room. Simply walk into the chest to claim the prize. Certain chests (the wallpapers, for example) may be collected multiple times to alter the current effect. In particular and as an example, the Default Wallpaper chest will not appear until you have changed the current message border to something else.

Note that these codes will not work until the correct Unlock Code has been entered since entering the secret room.

Password - Effect
Level 3 Code: 7073 - Proof of Mastery
Level 2 Code: 7867 - Treasure of Destruction
Level 1 Code: 2403 - Default Wallpaper
Level 1 Code: 4089 - Japanese Wallpaper
Level 1 Code: 1814 - Live Wallpaper
Level 2 Code: 2059 - Captive Wallpaper
Level 2 Code: 8785 - UFO Wallpaper
Level 3 Code: 5074 - Fairy Tale Wallpaper
Level 2 Code: 4181 - Evil Thief Clothes
Level 3 Code: 5716 - Honor Student Look
Level 1 Code: 5746 - Frog Pajamas
Level 3 Code: 5854 - Blue Overalls
Level 3 Code: 2828 - Fashionable Miniskirt
Level 1 Code: 2094 - Pretty Casual Wear
Level 3 Code: 1419 - Futuristic Style
Level 3 Code: 2438 - Cute Nurse Clothes
Level 2 Code: 2458 - Police Uniform
Level 1 Code: 9025 - Rasender Patch
Level 1 Code: 9434 - Sound Stick

Secret password unlock codes

Once you have earned the Hard Drill by buying it from the shop after it becomes available, you will have access to a secret room in the tutorial world (MaiMai Room). This room contains a 4-digit combination lock.

Before you can properly use this room to enter in secret passwords, you must first enter an unlock code. There are 3 levels of Unlock Codes, each unlocking more passwords than the previous.

To enter an Unlock Code, you must first reset the combination lock by selecting one of the digits and hitting start while the drill is inserted - this will reset the code back to 0000. Once this is done, you must set each of the digits of the Unlock Code to their correct number in the correct order. If you change one of the numbers out of order, or if you connect to and alter the same number twice before completing the unlock code, then the code will not work and you will have to reset the combination again by pressing Start.

Once the fourth number is correctly set, the combination lock will auto-reset to show that you have entered the code correctly. You may then either enter another Unlock Code, or enter an Effect Code of equal or lower level.

Unlock Codes stay in effect until you leave the room. If you re-enter the room at a later time, you must input the Unlock Code again to use more Effect Codes.

Effect - Password
Activates Level 1, 2 and 3 Codes - Set 2nd number to 8, set 4th number to 2, set 1st number to 3, set 3rd number to 5: final displayed number is 3852
Activates Level 1 Codes - Set 3rd number to 1, set 1st number to 2, set 4th number to 3, set 2nd number to 4: final displayed number is 2413
Activates Level 1 and 2 Codes - Set 3rd number to 8, set 1st number to 6, set 4th number to 5, set 2nd number to 3: final displayed number is 6385