Example of game score calculation and level progression - Snake Run Over Gameconditions

Game2 - Snake Run-over game
You are asked to design a run-over snake game in which the player is driving a vehicle in an area infested with poisonous snakes. The player has to run-over as many snakes as possible while avoiding trees and plants. Given the above scenario:
1) Identify any two attributes that can be used for game score calculation. Give two examples, on how the game score calculation will be done.
Answer:
5 points for killing red snake  10 points for killing black snake
hits a tree -5 points, runs over plant -10 points
add a  bonus – if player completes level before time or he skill three snakes in a row in less than 15 seconds or wiihtout hitting a tree
2) Level Design: Three different conditions based on which the player will be moved from one level to another level.
Answer:
Level progression:
Level 1 to level 2: kill 10 snakes in 60 seconds or less and hits less than 4 tree and run over less than 3 plants
Level 2 to level 3: kill 15 snakes in 50 seconds or less and hits less than 3 tree and run over less than 2 plants
Level 3 winning conditions: kill 20 snakes in 45 seconds or less and hits less than 1 tree and no plants should be run over
Documents what happens if level progressions conditions are not met and what is shown to the player