IWCA 2016 Format:
- Winning team determined by total matches won
- Regional Matches – Each Team Fire region also plays a Team Ice region in one of the following modes:
- Regular Match - Standard rules
- Assassin Mode - A blind pick match where players can only play Assassins and purchase boots, AP/AD items and their components, and potions.
- One For All - Standard One for All special mode rules apply
- 1v1 Showdown - Teams face off in a series of 1v1 rounds. The first team to win three rounds wins the match.
- Standard 1v1 rules - Played on Howling Abyss, and the winner is first to kill the opponent, destroy an opponent's tower, or record 100 CS.
- Knockout Phase
- The losing team will only advance its top-scoring regional team to the playoffs, while the winning team will advance its three top-scoring regional teams.
- All knockout matches are Best of 3 and will include a regular match followed by Assassin Mode, with a 1v1 Showdown as the third match if needed.
- The winning team advances to All-Star Barcelona 2016 as the IWC representative.
All-Star Event 2016 Format:
- Winning team determined by points. The winning team earns an IP boost for all players in the regions they represent.
- Regional Matches
- Each Team Fire region plays each Team Ice region (100 points per win)
- Top team from each side plays each other in a best-of-3 finals (300 points for series win)
- Fun Matches
- 5v5 matches (point value)
- Pick 10 (50) - fans vote for the 10 champions played, 5 per team. Players decide who plays which champion within the team.
- Marksman Mode (50) - a blind pick match where players can only play Marksmen and purchase boots, AP/AD items and their components, and potions.
- Assassin Mode (50) - A blind pick match where players can only play Assassins and purchase boots, AP/AD items and their components, and potions.
- One For All (50) - Standard One For All special mode rules apply
- Legend of the Poro King (50) - Standard Legend of the Poro King special mode rules apply.
- Tandem Mode (Doubles) (100) - Two players will control each champion, with one controlling the keyboard and the other the mouse.
- 1v1 tournament matches
- Random drawing, but the first round will always match a Team Ice player against a Team Fire player
- Standard 1v1 rules - Played on Howling Abyss, winner is first to kill the opponent, destroy an opponent's tower, or record 100 CS
- Single match (Best of 1) through quarterfinals. Semifinals and Finals are Best of 3.
- 250 Points available: 150 for 1st place, 50 for 2nd place, and 25 each for 3rd/4th place