Prime InvadersGrade 4 · 4.OA.B.4
Score0

Grade 4 · Arcade · Ages 8+

Prime Invaders

Maths standard4.OA.B.4

  1. A row of number invaders marches down the screen.
  2. Shoot every prime number. Hitting a non-prime costs a heart.
  3. Clear all the primes in a row for a bonus. Don’t let the row land!
Move: mouse / drag / ← → · Fire: tap, click or Space · 3 lives

Stars at 200 · 600 · 1,200

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