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Planet Joker (プラネット・ジョーカー) is a Sega Saturn vertical shoot-'em-up game developed by IMP and published by Naxat Soft. Released exclusively in Japan in March 1997, the game is most known for its poor production values and cheap presentation, and is commonly known as one of the worst shoot-'em-ups on the system.
On May 17, 2039, a mysterious army suddenly invades Tokyo. They occupied the Japanese center in just an hour, and the mastermind demanded that all production activities in Japan and oil consumption be stopped.
Three female pilots belonging to a special unit of the Self-Defense Forces were ordered to suppress this mysterious army. Operation name "alien crush".
Characters
Satomi Takayama (サトミ・タカヤマ)
The main character of this game. Captain of the 17th platoon of the SDF Special Forces. 23 years old, Japanese.
Elen Rockwell (エレン・ロックウェル)
A subordinate of a platoon led by the main character. 22 years old, American.
Sahra Huga (サラ・ユーガ)
A subordinate of a platoon led by the main character. 20 years old, Indian.
Mika Yamamoto (ミカ・ヤマモト)
Operator and communication manager. 23 years old, Japanese.
Takao Takasugi (タカオ・タカスギ)
Commander of the SDF Special Forces. 53 years old, Japanese.
John Markwell (ジョン・マークウェル)
The mastermind of this terrorist attack. 66 years old, American.
Gameplay
A vertical scrolling shooting with a bird's eye view, such as Layer Section II. Shots, bombs and charge attacks are possible.
Modes
Normal mode: Normal game mode to clear 7 stages. If the difficulty level is Easy, it will end on missiono 4. If continue, it will start from the beginning of the stage.
Time attack: Mode to compete for the time to reach 300,000 points.
Score attack: Mode to compete for points in 3 minutes.
Boss attack: It can be played by clearing the normal mode. Mode to compete for clear time by playing only the boss battle.
Controls
Button settings cannot be changed.
Move list
Name
Command
Description
Shot
Auto fire while pressing.
Bomb
There are two types: crash and wave. Waves can be fired after accumulating their power by holding down the button.
Charge attack
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Use while pressing. It is invincible during the attack and attacks by hitting the enemy. The charge gauge is consumed during use.
Items
It can be roughly divided into three types: attack, bomb, and shield. Attacks and bombs change over time.
Shot (Blue)
Attack item. Switch weapons to normal and power up. Up to 3 levels are possible.
Laser (Green)
Attack item. Switch weapons to laser and power up. Up to 3 levels are possible.
Missile (Yellow)
Attack item. Switch weapons to missile and power up. Up to 3 levels are possible.
Charge (Orange)
Attack item. Increase the charge gauge.
Bomb (Wave)
Bomb item. Increases Wave Bomb. You can have up to 10 bombs in total.
Bomb (Crash)
Bomb item. Increases Crash Bomb. You can have up to 10 bombs in total.
Shield
Shield item. Restore the shield.
Players
There are 8 types, and 1 type is a hidden chracter. Each has a different charge, movement, defense, attack range, and weapons. There are various attack methods, and some of them are difficult to use.
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