| ALMAGEST | "Last Game", rambling treatise on astronomy (8) |
| LIKEABLE | Nice line taken by one beginning on astronomy in Oxford college |
| DRAUGHTS | Without hesitation, girls hosting father's last game (8) |
| STEELERS | They've played their last game at Three Rivers Stadium |
| CUPFINAL | Last game in an FA knockout tournament (3,5) |
| TIEBREAK | Last game makes neckwear snap (3-5) |
| POLITICS | Science or art of government; or, Aristotle's treatise on philosophy (8) |
| EPICURUS | Greek philosopher born in 341 BC who authored treatise On Nature (8) |
| TACTICUS | During the 4th century BCE, he wrote On the Defense of Fortifications, one chapter of which was devoted to cryptography, making it the earliest treatise on the subject. |
| ELEMENTS | Euclid's treatise on geometry |
| NEWMOON | Does it shed fresh light on astronomy? |
| SKY | The at Night long-running BBC documentary series on astronomy, presented by Sir Patrick Moore from 1957 to 2013 (3) |
| FINALISED | Settled last game on wrong side |
| THELARAMS | They played their last game on Dec. 24, 1994 |
| MOMENTUM | "I'm not a believer in - - - as the last game doesn't do anything towards the next," said Richard Wigglesworth (8) |
| BINGHAM | Whose last game as manager of Northern Ireland was a tempestuous game versus the Republic in 1993? (7) |
| HOYLE | Edmond who wrote a treatise on the game of whist |
| PROBOWL | Last game of the NFL season |
| MET | Willie Mays played his last game as one |
| GRUEL | Young's last game against the Spanish is sloppy fare |