STEP 12: We want there to be a 25% chance for a rock to appear, so we'll assign it numbers 26-50.

• Go to and drag if and inside the interval event, but outside the other if statement.
• Test if rand_chance is less than or equal to <= 50 and if rand_chance is greater than > 25.
• Drag a Sprite at Position inside the new if statement.
• Name this sprite new_object. Change it's image to "rock" and position it at (rand_x, 260).

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