These articles are the bonuses you can get at the end of song while playing various characters on Audiosurf.
“Stealth is a bonus for Mono players only. The player has to avoid all grey blocks to get a 30...Stealth
“Butter Ninja is a bonus for which the player must get at least 95% of all yellow blocks. It is...Butter Ninja
“Seeing Red is a bonus for which the player must get at least 95% of all red blocks. It is not...Seeing Red
“The Match Bonuses are three bonuses that may be awarded depending on the largest combo you have...Match Bonuses