Section Z (NES)/Sections 20 - 39

Recommended progress

 * 1) Survive Section 20, and take the bottom portal to Section 21.
 * 2) Collect the Flash Bomb from the secret room in Section 21, then take top portal to Section 24.
 * 3) Collect the Megasmasher from Section 24, then take the bottom portal to Section 25.
 * 4) Survive Section 25, and take the top portal to Section 28.
 * 5) Collect the Megasmasher (and Flash Buster), and find the secret room to regain energy in Section 28, then take the top portal to Section 29.
 * 6) Destroy the Generator in Section 29, then take bottom portal to Section 20.
 * 7) Survive Section 20, and take the bottom portal to Section 21.
 * 8) Survive Section 21, and take the bottom portal to section 30.
 * 9) Collect a Barrier Shield from Section 30, and take the bottom portal to Section 31.
 * 10) You have no choice but to proceed directly from Section 31 to Sections 32, 33, and 34.
 * 11) Destroy the Generator in Section 34, then take bottom portal to Section 20.
 * 12) Survive Section 20, and take the top portal to Section 22.
 * 13) Collect a Barrier Shield from Section 22, and take the bottom portal to Section 35.
 * 14) Find the secret room to regain energy in Section 35, then take the top portal to Section 36.
 * 15) Find the secret room to regain energy in Section 36, then take the top portal to Section 38.
 * 16) Survive Section 38, and pass through to Section 39.  Defeat the boss, and proceed to Section 40.

Section Notes

 * Section 20:
 * Section 21:
 * Section 22:
 * Section 23:
 * Section 24:
 * Section 25:
 * Section 26:
 * Section 27:
 * Section 28:
 * Section 29:
 * Section 30:
 * Section 31:
 * Section 32:
 * Section 33:
 * Section 34:
 * Section 35:
 * Section 36:
 * Section 37:
 * Section 38:
 * Section 39: