Survival

The game consists of eight mazes formed by rectangular veins and thin golden cell membranes. Each succeeding maze is more complex than the preceding maze.

The enemies consist of four differently colored viruses. The player must avoid or zap the viruses. The color of the first virus zapped determines the color of the reborn viruses. When all viruses are the same color, they can no longer be zapped.

When the last membrane is zapped, Aid Stations briefly appear in the four corners of the screen. The player must collect extra zaps by reaching the corner before the Aid Stations revert to veins. Each time a player reaches an Aid Station, a baby cell is awarded. When the player receives five baby cells, an extra large blue cell is awarded.

The player must zap all veins in each maze before runing out of zaps or cell life. If the player fails, a cell will be lost. When all veins in a maze are zapped, a bonus is awarded and the player will advance to the next maze.

If the player successfully completes all eight mazes, the game will repeat with more viruses present.