Start up the friendly crates.

The balloon don't move.
The balloon is less heavy than any other crates.

Inflicts a pulse proportional to its size.

Increases the size of the friendly crates.

Reduces the size of the enemy crates.

The wall don't move.
The wall is more heavy than any other crates.

Inflicts a vertical pulse proportional to its size to the enemy crates.

moves horizontally.

Inflict one damage point to an enemy crate.
If the Lieutenant destroyed an enemy crate it is promoted Captain.

Inflict two damages points to an enemy crate.
If the Captain destroyed two enemies crates it is promoted Colonel.

If the Colonel is destroy then a new Lieutenant is parachuted on it's location.

The shark destroys the smaller enemy crates than itself.

The snake sickens the active enemy crates.
A sick crate loses 1 life every second.

The Medic removes illness, and adds one point of life at friend crate.

Add 5 additional life points at friend crate (not wall).

The bomb explodes on contact with an enemy crate.
This inflicts a pulse proportional to its size to all crates in game.

The archer shoots arrows.
An arrow deals 1 point of damage to an enemy crate.

Inflict 2 damages points to an enemy crate.