opengl game

opengl game.... in 3d the game about a one man player in island and island have to look good in graphics the island have trees and stones ... and the water should be lava and if the player enter the lava he loss a life ...the game have 2 lvls … the player have to look for the chests there will be 8 chests and every time he find a chest he open it and find question inside it that he have to answer in every lvl and when he finish all the chests he enter to the lvl 2 that have island with 8 chests more and he have to answer all of them to finish the game every lvl have a timer in the first lvl the timer should be more than the second lvl and the player have to find the chests and answer the question before the time end....and the game have a map for the island and there marks where the chests are so it will help the player find the chests...the question and the answers should be stored in files …. and the languge for the game should be in c..