Ad Specifications (by Banner Type)

Specifications Site Availability
Banner Dimensions Formats Gamasutra GDC Sites
Leaderboard 728x90, 300x50 static image gif, jpg, html, HTML5, Rich Media Yes Yes  
Skyscraper 160x600 Yes Yes Yes
IMU 300x250 Yes Yes  
Sponsor Tile 160x160 Yes    
Sponsor Sliver 650x60 gif, jpg, html Yes    
Small Tile 145x160   Yes  
Event Button 164x59 Yes    
  • Max File Size: 40K
  • Animation Time Limit: 15 seconds
  • Loop Limit: 3 loops, 15 seconds each

Materials Deadline

File Type Deadline To Start Date
gif, jpg, html Two business days prior to flight launch
HTML5 Five business days prior to flight launch


Requirements are as follows:

  • 150 KB initial load
  • 2 MB polite download
  • 3rd Party Tag Preferred

Third Party

  • Accepted formats for Third Party Rich Media tags are: IFRAME/JavaScript/ATLAS
  • Accepted formats for standard gif or jpg Third Party tags (HREF, IMG SRC)
  • Maximum of 10 creatives in rotation per flight
  • Third Party tags must include clear traffic instructions

Supported Vendors

Below is the current list of supported Third Party vendors:

  • Atlas
  • DART
  • EyeBlaster - iFrame required
  • EyeWonder
  • Klipmart - iFrame required
  • MediaPlex
  • On24
  • PointRoll

All other vendors will need to be tested and approved prior to campaign launch

Rich Media Specs

Rich Media placements must be served via Third Party and will not be accepted in any other format

Max File Size:40K
Max Polite Ad Size:100K
Max Download Size:135k with polite download
Max overlay Size:40k
Looping:3 loops 15 seconds each
Max float time for overlay:15 seconds *All overlays must be tethered to ad

Creative Requirements

  • Sound is required to be initiated by user
  • Clickable mute button is required

Site Skin Specs

Request proposal