The start button uses a different font and style. The copyright text uses a different font and says '(C) 2005,Sega' instead of '(C) Sega Corporation, 2005'. The background is a hexagonal pattern on a white background. The stripes appear on the top and bottom and have a 3D look to them. The icon that would display on the DS menu has a three pixel difference in Sonic's eyes. The physics engine is slightly unfinished, and it is possible to get stuck when jumping against a wall until the momentum runs out.The infamous vertical standing glitch from Sonic the Hedgehog Genesis and Sonic 4 Episode I is very easy to perform in the demo, especially on loops.When Sonic runs on slopes or jumps on bumpers, his model rotates incorrectly, often with his head down.In the final version, the fight takes place on the Touch Screen with Tails and the boss' health on the Top Screen. The boss fight takes place on the Top Screen, with the Touch Screen constantly showing the Sonic Rush logo.The rolling head move is harder to dodge and doesn't have a 'double' version.The Egg Hammer Mega takes only four hits to destroy.You don't get an extra life when you get 100 rings.The boost meter still flashes yellow, but boosting still drains the meter like normal.

The 'infinite boost' mode for maxing out the Tension Gauge is unfinished.

Enemies don't go flying when you boost into them, they simply explode.

In the final game, this move is mapped to the R button.

The Jump Dash/Homing Attack is mapped to the Jump button, like most other Sonic games.

Sonic's looking up animation is different.

Sonic doesn't react to being tapped on the Touch Screen.

Boosting into the large Eggman wheel doesn't kill Sonic - he simply passes through.The Boost meter can be refilled by running.This ability is available in the DS version of Sonic Colors, which uses the same engine as Sonic Rush. No Game Over screen appears for the latter. A 'Coming Soon' screen appears after a set amount of time, after finishing the boss battle or losing all your lives.

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