-The title screen's bike is slightly different to what the final version has, and there is no "press start button" text.

-Practice mode is called arcade mode.

-Selecting the credits at the main menu will take you to a screen featuring the back of a bike, with the words course selection at the top.

-The track selection screen has some maps in place, but some tracks don't have them yet and just repeat their name instead.

-The picture for the super bike isn't in place yet.

-The passwords don't work yet.

-The super bike has placeholder text over it when trying to select it.

-Races start instantly, without a countdown first.

-During a race, drivers aren't able to hit each other.

-There are four difficulty levels: beginner, novice, amateur and pro.

-Hazards and barriers at the side of the track are different, and there often aren't that many when compared to the final game.

-The arcade mode only consists of one lap.

-When the game is paused, a menu appears that lets you continue or exit. If you exit early on in the race, the game will think you came in first.

-The title screen has been updated. "Press Start" text appears, copyright text was added and the picture of the bike is different.

-Selecting the credits will take you to a screen with placeholder text.

-The circuit selection has been updated, and now features maps for each circuit.

-The superbike placeholder text from the previous build is gone.

-There is now a countdown before the race starts.

-Exiting a race early no longer gets you first place, instead the game will go back to the main menu.

-A SEGA logo appears when the game boots up.

-The press start text at the title screen has been moved to the left.

-Arcade mode has become practice mode.

-The difficulties have been changed, so now there are three: amateur, pro and expert.

-The credits have been slightly updated, but still aren't complete.

-The countdown has a new font, which is more bigger, has colors, and uses numbers instead of letters.

-The circuit select menu has been updated, with newly drawn circuit maps, and some of the menu colors have been changed.

-During the countdown, a quiet voice will say "Ready" and "Go!" during the last second.

-During the countdown, a voice will call out each number and then say "go!".

-Riders now say "hey!" when colliding with each other.

-You can now punch other riders by pressing the C button.

-The credits now work.

-The voices for the countdown and the "hey!" have been re-done, and now match the final version.

-The title screen has been updated, and almost matches the final version.

-The title screen's copyright font has been changed.

-Pausing the game no longer brings up a menu, instead the word "PAUSE" appears on the screen.

-The game's logo now has a trademark on it at the title screen.