Yume Penguin Monogatari (夢ペンギン物語) is a hybrid platform/shooter video game developed by Konami in 1991 for the Family Computer and 2006 for i-Revo.


This game is particularly notable because of its highly peculiar plot and gameplay. The player takes the role of a penguin named Penta, who is getting dumped by his girlfriend Penko because he has become far too obese for her liking. Penta originally appeared in Antarctic Adventure and Penguin Adventure, and he is the father of Pentaro who appeared in the Parodius series. The game follows Penta's quest to win back his ex-girlfriend by losing weight via collecting diet drinks and avoiding enemies. Penko's new boyfriend, Ginji, is trying to block Penta's attempt by dispatching enemies sent to force-feed him back to obesity.


This game is unique in that there is no life bar; instead there is a "fitness meter" that displays Penta's current progress towards being in shape enough to win back Penko. A heart marks the weight goal for the current level. If it is broken, the player is not thin enough. And if the heart is complete the goal has been met. If Penta does not reach that weight goal by the end of the level and within the time limit, he gets a break-up call from Penko and the player has the option to either restart the stage or return to the title screen. Diet drinks must be collected to lose weight. Initially as a fat penguin, Penta is slow-moving, cannot jump high or far, and has only a blubberattack. As more weight is lost, additional types of attacks are acquired. When Penta reaches the "Normal" scale in the weight meter he obtains the ability to kick. And when he reaches the "Thin" scale he obtains the ability to shoot the word "PO" out of his mouth, being this the attack with the highest reach. Getting hit by an enemy or by a food item will cause Penta to regain some weight.

Among the six total levels in the game, there are three platforming levels as well as three two-dimensional scrolling shooter stages. In both types, the concept remains the same; collect diet drinks, attack/avoid enemies, and finish within the time limit. The 7th level contains the confrontation with Ginji, and is a behind-view shooting stage. At the conclusion of the game, Penta and Penko fly to a tropical island and everything initially appears to be idyllic. In a surprise move, very uncharacteristic for an NES game, Penko reveals herself to actually be very overweight and Penta slaps his head in disbelief. Penko then proceeds to start binge eating. The game also has a second run that repeats the stages, and really ends the game.


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