Across: 1 Cluster, 4 Cells, 7 Mains, 9 Breeder, 10 Sting, 11 Pen, 12 Sights, 14 Crisis, 16 CIA, 17 Nucleus, 20 Learner, 21 Pupae, 22 Super, 23 Escapes.

Down: 1 Combs, 2 Uniting, 3 Robber, 4 Creeper, 5 Laden, 6 Strains, 8 Sag, 12 Surplus, 13 Trainer, 15 Sleep, 16 Clamp, 17 Nurse, 18 Cap, 19 Skeps.