Here is the full list of all 13 Toki achievements.
Beat the total score of 350 000 points (arcade mode)
Complete arcade mode on difficulty level: hardest
Complete arcade mode without using continues (normal difficulty or higher)
Beat Vookimedlo
Collect all the 1UP bonuses in a session
Collect 50 coins to earn an extra life! (arcade mode)
Beat Bashtar
Beat Zarzamoth
Beat Mogulvor
Reach a score of 70,000 points to earn an extra life! (arcade mode)
Beat Rambacha
Beat Boloragog
Eliminate an enemy by jumping on his head