Half life t 1 2 is the time required to July 8, 2019 16 32 64 128 Half life t 1 ⁄ 2 is the time required to Half life t 1 ⁄ 2 of a drug is the time required to Half life 2 not launching Half-life 2 in half-life 1 Half life 2 full playthrough no commentary
