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Sonic the Hedgehog 2 (Nick Arcade prototype)/Comparisons/Graphics

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Sonic

Sonic has a different set of animations in the Nick Arcade prototype. Some are recycled from Sonic 1, while others are completely new.

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

Sonic has a different standing animation. When left, he taps his feet, but does not lie on the floor like in the final game.

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

Early builds of Sonic 2 devote 12 frames of animation for a new walk cycle - double the number seen in Sonic 1. It was clearly decided the result looked a bit strange, however, as the final game reverts to a similar look to its predecessor (and in the process, drops the number of frames down to 8).

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

The running animation is also different. Sonic's "swirling legs" are unique to early builds of Sonic 2, and would not be seen again until 25 years later, when a tribute was added to Sonic Mania.

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

More frames were added to the breaking animation, in addition to the two from Sonic 1. In the final game, the animation is simplified.

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

Sonic has only one ledge animation in the Nick Arcade prototype, and it's identical to the one from Sonic 1.

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Sonic 2 Nick Arcade prototype
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Sonic the Hedgehog
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Sonic 2 final

Sonic's pushing animation is slightly different in this prototype as well.

Tails

Tails is missing half of his animations, cruicially including his ability to fly. He usually consists of two objects, with his tails treated as a separate thing when standing, walking, running or jumping. They disappear correctly when certain animations are triggered, but as some animations have yet to be implemented, Tails appears to lose his tails for short periods.

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Nick Arcade prototype
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Final game

Tails' jumping/spinning set of sprites doesn't have the reflective white spot in early prototypes.

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Nick Arcade prototype
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Final game

Tails has no skidding frames, he just slides across the floor.

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Nick Arcade prototype
Comp tailsledgef.png
Final game

Tails also has no balancing frames.

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Nick Arcade prototype
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Final game

When pushing against an obstacle, Tails uses his walking animation.

Objects

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Nick Arcade prototype
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Final game

Signposts are symmetrical in the Nick Arcade prototype.

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Nick Arcade prototype
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Final game

Debug mode allows for these futuristic checkpoints to be placed in a level. They would be replaced by star posts in the final game.

Enemies

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Nick Arcade prototype
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Final game

The Buzzer enemy has a different look to the final game.

References


Sonic the Hedgehog 2 (Nick Arcade prototype), prototype version of Sonic the Hedgehog 2 (16-bit)
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Part of Sonic the Hedgehog 2 (16-bit) development