|French||La Crise Écarlate|
|Revised Romanization||Simhong-ui Wigi|
|Number of cards||
|Cover card||Red Dragon Archfiend/Assault Mode|
|Yugioh-Card database ID|
|Sneak Peek||Crimson Crisis Sneak Peek Participation Card|
|2-pack set||Crimson Crisis 2-Pack Set|
|Special Edition||Crimson Crisis: Special Edition|
|Asian-English||April 16, 2009|
This set's Sneak Peek event and English release in America was originally delayed due to the Konami and Upper Deck legal dispute. The Sneak Peek event was originally scheduled for February 7–8, 2009. However, it was finally released approaching March 10, 2009. During release, the set was shown at a Sneak Preview in both Europe and America by Upper Deck International and Konami Digital Entertainment.
- Includes cards used by Akiza Izinski, Crow Hogan, Greiger, Jack Atlas, Sayer, and Yusei Fudo.
- Includes new members and/or support for the "Alien", "Archfiend", "B.E.S.", "Frog", "Gladiator Beast", "Morphtronic", "Red Dragon Archfiend", "Six Samurai", and "Synchron" archetypes, as well as the Signer Dragon series.
- Introduces the "/Assault Mode", "Blackwing", "Inmato", and "Reactor" archetypes to the OCG/TCG.
In the Japanese version there are 5 cards per pack and 30 packs per box.
The OCG set includes 80 cards. This is comprised of:
In the TCG there are 9 cards per pack and 24 packs per box. The set contains 100 cards or 111 in the Master Set. This is comprised of:
- 1 Ghost Rare
- 8 Secret Rares
- 10 Ultimate Rares
- 10 Ultra Rares
- 14 Super Rares
- 20 Rares
- 44 Commons
- 4 Short Prints