Planning of the game

Characters:
4 character status - Slim ; Fat ; Normal ; Combo

Movements:
walk ; Jump ; Attack

Levels: Day & Night
6 levels - Start ; 4 link levels ; boss
* color theme for each level, in 2D style

Enemies:
Rats ; Cat; Snake (boss)

Objective:
explore around the slum/levels to defeat rats to increase your troop size and attack level. Try to avoid the snake when your troops are not strong enough. If troop number > 20, can defeat snake and win the game.

Pickup Item:
Health (3 heart initially)
* health is represented by "heart" symbol, each "heart" represents 5 points.
* every "heart" pick up restore health point to full

Attack Level:
Troop size:
[ 1-5 ] damage = -2 health point
[ 6-10 ] damage = -3 health point
[ 11-15 ] damage = -4 heath point
[ 16-20 ] damage = -5 health point
[ >20 ] damage = -6 health point
[ combo ] damage = -8 health point

Enemy Status:
[ Rat ]
health = 8 point
damage = -2 health point
attack = every 1 sec
troop size +1 if defeated

[ Cat ]
health = 14 point
damage = -4 health point
attack = every 1 sec
troop size +2 if defeated

[ Snake ]
heath = 40 point
damage = -4 health point
attack = every 1 sec

Speed:
Fat = 2
Normal = 4
Slim = 6
Combo = 8
* Character can walk/jump to avoid enemy attack