Another way to be able to play the game. (external link)

Alternate way to play the game. If it's lagging, try turning on hardware acceleration. (external link)

Use this free download to record or stream your runs. (external link)

Unlimited flow + Invincibility, good for practicing. (external link)

This can be useful even if the rules suggest that you use the game time. Just to help a bit to split the times, so you runner can improve specific sections. (direct download)