2-D Game Design Pitch: Tower Defense 2D Erik Gilson Brian McClure

Story Line The remote colony on the planet P3X-797 is being over run by aliens bent on its destruction The remote colony on the planet P3X-797 is being over run by aliens bent on its destruction Protect the bases using the defenses given while waiting for backup to save each base Protect the bases using the defenses given while waiting for backup to save each base Stall for time to let everyone escape the planet Stall for time to let everyone escape the planet

Look Fixed Window Fixed Window Path for “Aliens” to run walk on Path for “Aliens” to run walk on Side Bar to make traps, towers and bombs Side Bar to make traps, towers and bombs EX: Tower Defense, Gemcraft EX: Tower Defense, Gemcraft

Sound Sounds on placing traps and towers Explosions on towers attacking aliens Sounds on wave starts-warning Sounds on level finish

Game Play Player will set up different towers with different abilities Use traps to slow down the aliens Waves of mobs will spawn from one end of the path Kill mobs before they reach the end of the path Waves will have variable numbers and speeds Once all waves are completed level is completed

Players Actions and Controls Player plays as a non-visual commander, building defenses for the base Player plays as a non-visual commander, building defenses for the base Build towers along the path from the alien spawn point to your base Build towers along the path from the alien spawn point to your base Stop the invading aliens before they reach the end of the path Stop the invading aliens before they reach the end of the path Navigate interfaces with mouse, 1-0 keys for short cuts. Navigate interfaces with mouse, 1-0 keys for short cuts.

Player Strategies Combine the use of traps bombs and towers to maximize the effect of other defenses. Combine the use of traps bombs and towers to maximize the effect of other defenses. Each alien type has a specific weakness, that the player can exploit. Each alien type has a specific weakness, that the player can exploit. Conserve resources to buy more defenses Conserve resources to buy more defenses

Alien/Defense Matrices Scale of effectiveness from 1-5 Tower> Alien V Normal Shot Slow Shot Armor Break High Damage Normal Alien 4441 Fast Alien 2531 High Armor 2254 High Health 3245

Level Summary Given a certain amount of resources in the beginning. Given a certain amount of resources in the beginning. Build towers and traps to defeat aliens Build towers and traps to defeat aliens Each alien defeated gives resources to build more Each alien defeated gives resources to build more Aliens will attack in a series of waves Aliens will attack in a series of waves Each wave a different type (Defense, Speed, Health) Each wave a different type (Defense, Speed, Health) Different towers have different effects on the aliens (Speed, Damage, Armor) Different towers have different effects on the aliens (Speed, Damage, Armor)

Level Summery- Cont If an alien reaches the end, player loses resources (must “repair” the base with resources), when resources run out player loses the level Complete 10 levels of play with different paths, monsters and bosses Introduction level (with tip boxes to teach) Final level with one high health boss Each level will have one “beginning” point and one “end” point for aliens Only allowed to build towers on non-alien-path spaces Only allowed to build traps on alien-path spaces

Hardware & Software Mouse Mouse Windows XP or greater Windows XP or greater DirectX 9 or greater DirectX 9 or greater Speakers Speakers CPU: 1ghz or better CPU: 1ghz or better Ram: 1gb or better Ram: 1gb or better

Program Layout Show Start Screen – Level Select Show Start Screen – Level Select Game Loop Game Loop –Load level –Play Loop Check for mouse input Check for mouse input Move aliens Move aliens Towers Attack Towers Attack Draw Draw Game End – Save (Level Save/High Score) Game End – Save (Level Save/High Score)

Fin – Thank You