| Casting practice | 16 |
| Word on a maze | 14 |
| Get underway | 12 |
| Sprinter's concern | 22 |
| Skittish move | 13 |
| Begin work on | 13 |
| Word on many a button | 21 |
| Take the first step | 19 |
| Take step one | 13 |
| Sudden move | 11 |
| Proctor's instruction | 25 |
| Maze label | 10 |
| Board game square | 17 |
| Windows button | 14 |
| Where it all begins | 19 |
| Turn a key, perhaps | 19 |
| Surprised jerk | 14 |
| Sudden reaction | 15 |
| Sudden jump | 11 |
| Set in operation | 16 |
| Plunge in, so to speak | 22 |
| Outset | 6 |
| One end of a maze | 17 |
| Dive in | 7 |
| Boot up | 7 |
| A shot might indicate it | 24 |
| Zero hour, e.g. | 15 |
| Word with up or head | 20 |
| Word on mazes | 13 |
| Word on a maze puzzle | 21 |
| Word next to an arrow, maybe | 28 |
| Word next to an arrow in a maze | 31 |
| Word for "beginning" that encloses four answers in this puzzle | 72 |
| Word at a maze entrance | 23 |
| Word after running or jump | 26 |
| Turn the ignition key | 21 |
| The Jam song of beginning? | 26 |
| Take 4, clue 1 | 14 |
| Step one | 8 |
| Square on many board games | 26 |
| Show alarm | 10 |
| Select neighbor, on old controllers | 35 |
| React suddenly | 14 |
| Race line | 9 |
| ProctorÂ’s instruction | 25 |
| Possible result of a gunshot | 28 |
| One maze terminal... | 20 |
| Move forward, or jump back | 26 |
| Maze entrance word | 18 |
| Maze entrance | 13 |
| Many solvers do it here | 23 |
| Kickoff or kick off | 19 |
| Jump involuntarily | 18 |
| Jump back, maybe | 16 |
| Jump accomplishment | 19 |
| Jerk or jump | 12 |
| Head follower | 13 |
| Gunshot at a track meet | 23 |
| Game's beginning | 20 |
| Follower of head or red | 23 |
| Flying or head | 14 |
| First square of some board games | 32 |
| False or head follower | 22 |
| Ending's antithesis | 23 |
| Dive in, so to speak | 20 |
| Brief shock | 11 |
| Brief fright | 12 |
| Board-game word | 15 |
| Board game word | 15 |
| BEGIN: STEP UP | 14 |
| Be part of the opening lineup | 29 |
| Be in the lineup | 16 |
| Act surprised | 13 |
| "Go" square in Monopoly, e.g. | 39 |
| "Get set, go!" | 24 |
| "Gentlemen, ___ your engines" | 39 |
| "___ the Revolution Without Me" (1970) | 48 |
| "___ Me Up" | 21 |
| Have one's first child, perhaps | 35 |
| Be antagonistic | 15 |
| What you might do after failing | 31 |
| React to something that's not working | 41 |
| Not give up after failing | 25 |
| Send in troops, say | 19 |
| Open fire, perhaps | 18 |
| Call an end to a hike | 21 |
| Played on the A-team | 20 |
| Led off | 7 |
| Was promoted from the bench, say | 32 |
| Was on the first team | 21 |
| Van Halen "Come on baby, finish what ya ___" | 54 |
| Showed alarm | 12 |
| Lifted the curtain on | 21 |
| Got rolling | 11 |
| Became frightened | 17 |
| Already going | 13 |
| Initially began | 15 |
| Began chastising | 16 |
| Suburbanite's lament (Part 4) | 33 |
| Began, as a project | 19 |