From Bulbapedia, the community-driven Pokémon encyclopedia.
| Cards in set
|| English: 50|
| Set number
|| English: 1|
| Release date
|| English: N/A|
| Theme Decks
Colosseum is one of the five sets found in Template:Card GB for the Game Boy Color.
The cover of the booster pack features a Pikachu.
Club Masters and their Club Members usually give out the booster packs when you defeated any of them.
Some of Dr. Mason's mail have some of the booster packs as an attachment.
It includes cards from Base Set, Jungle set, Fossil set and also has a addition of Tangela, which is exclusive to the game.