Challenges players to time gear shifts accurately by matching revs to a target. Adjust throttle to maintain optimal rev range. Track progress and improve reflexes and concentration through repeated play.
Learn Math and Science through structured lessons and tests. Access over 30,000 exercises and assessments. Track progress and receive feedback. Collaborate with peers in a learning community. Complete competency-based modules for Grades 7-12.
Track and improve solving times with precision timing accurate to hundredths of a second. Hold to start timing. Automatically save personal s for each type. View progress without distractions.
