PVZBTS/Glitch Sitch

Glitch Sitch is the fourth area of Plants Vs Zombies: Breaking the System.

Overview
Beware the dark. Go to he outskirts of the system and stop a virus menace with an agenda of its own. But beware their ability to darken to board. Keep the board lit to maintain your brains through this world.

Appearance
This world is a long dark grey tunnel with a glowing white light on the far left of the area and pitch blackness to the far right. The board is a bunch of white luminescent tiles that illuminate the board each with grey edges. However, when a zombies steps on a square, it turns normal black.

Mechanics
When zombies step on a tile, it turns black and turns off making that tile completely dark and impossible to see on like fog.

Special mission
Antivirus: Protect yourself with massive suns falling from the sky (150 sun each), but you can only use four different variants of the En-Tree Guard
 * Basic: Moves at hungry speed, 80nds health, 2nds attack, re-illuminates tiles, costs 100 sun. Green color.
 * Fast: Fast movement speed, 60nds health, 2nds attack, re-illuminates tiles, costs 125 sun. Yellow color.
 * Strong: Basic movement speed, 60nds health, 4nds attack, re-illuminates tiles, costs 125 sun. Red color.
 * Armored: Basic movement speed, 120nds health, 2nds attack at half speed, re-illuminates tiles, costs 125 sun. Blue color.

World items

 * After completing day 14, you find the second survivor's trail.
 * After completing day 15, you rescue the second survivor and get an encryption key.
 * After completing day 18, you unlock an upgrade that increases powerup duration.
 * After completing day 22, you get the survival challenge Alone in the Dark.
 * After completing day 25, you unlock the third 3 levels of vase breaker.
 * After completing day 30, you unlock the Glitch Sitch security card.

Plants
Plants here

Zombies
Zombies here

Days
Day here