#5 How to make A mario game in Game maker

How to Make a Platform Game in 

This will require a little bit of experience with Game Maker. Don't do this for your first game.

Steps

1. 
   1
   Make a simple block sprite for your wall. Also make a sprite for your player. For the wall call it spr_wall and the player spr_player
2. 
   2
   Make an object called obj_wall and check the solid box.
3. 
   3
   Make sure you select the wall sprite.
4. 
   4
   Make an object and call it obj_player.
5. 
   5
   Make sure you select your player sprite.
6. 
   6
   For obj_player: go to add event and click Step then Step again. Then go to the control tab, and drag and drop the 'execute code' action.
7. 
   7
   Now in the code box put in
   // simple Platforming code!// if place_free(x,y+1) { gravity = 0.7 gravity_direction = 270 } else { gravity=0 gravity_direction = 270 } //the arrow keys<,>,^ if place_free(x-4,y)and keyboard_check(vk_left){x-=4} if place_free(x+4,y)and keyboard_check(vk_right){x+=4} if !place_free(x,y+1) and keyboard_check(vk_up){vspeed=-10}
8. 
   8
   Just copy and paste.
9. 
   9
   For obj_player: Go to add event, then Collision, then with obj_wall.
10. 
    10
    Put in this code (go to the control tab and drag and drop 'execute code':move_contact_solid(direction,12); vspeed=0;
11. 
    11
    Make a room, call it room_1, make a level design by clicking with the selected object and save the room (click the tick at the top.)
12. 
    12
    Run the game!