time attack

noun2

1. •
   An attack in which one may gain an advantage in time against one's opponent or rival.

   • It was a time attack; if my opponents did not get up to my position and were not able to drive me from that position by a certain time, I won the day. — 1891
2. •
   Synonym of time trial.

   • There are only eight levels but the varied game modes (including time attacks, survivals, team deathmatches, hunts, and sieges) in both single and multi-player keeps things interesting. — 2013