|Test Subject Invisible|
Test Subject Invisible is a sequel of Test Subject Secret.
Gameplay, controls and objective
Like in Test Subject series.
Simple Blue enzyme () Hops on a platform.
Proto-suit Blue enzyme () Walks, jumps and shoots bullets.
Rex209 Blue enzyme () Like blue in proto-suit, but can walk on ceiling and his bullets are faster.
Walking Orange enzyme () These enzymes can walk and fall.
Shield Orange enzyme () Shield orange enzymes walk horizontally holding a shield in front of their face which will protect them from attack.
Dodge Orange enzyme () Dodge orange enzymes will stay in one place, but will adjust their body to avoid bullets.
Flying Orange Enzyme () Flies in air, can be killed only by orange bullets
Proto-suit Orange enzyme () Like blue in proto-suit.
Throwing Orange enzyme ()
Rhino Orange enzyme ()
Pie Orange enzyme (or cooked orange enzyme) ()
Crawling Green enzyme () Simple green enzymes who crawl on the floor.
Monkey Green enzyme () Green enzymes who move on the ceilings of platforms. They will drop down on main character and with their head attached torch and blow themselves back up.
Bouncing Green enzyme () Flies in air, bounces off walls, floor and ceiling.
Sniper Green enzyme () Green enzymes who cling to walls and throw bullet green enzymes.
Mimic Green enzyme () Green enzymes that have the ability to accurately mimic any enzyme except green enzymes.
Bullet Green enzyme () Green enzymes in the shape of a bullet.