CEDEC2026 Session Walks Through Xross Stars TCG Development
The session showed how milestone management, verbalized 'fun' criteria and deliberately cheap prototypes let a five-person team turn VTuber activities into a TCG that now holds roughly 10th place in domestic market share.
Reporting from 1 source: GameBusiness.jp.
At CEDEC2026, freelance game designer Kenji Yoshida presented the development process behind Xross Stars, a TCG whose first set launched in August 2025 and features VTubers, streamers and e-sports players. The session centered on milestone management, which splits development into phases with verification gates. Xross Stars built cards around talents' real activities, chose disposable event cards over character cards, and spent about two months in the alpha phase before locking in four card types.
At CEDEC2026, freelance game designer Kenji Yoshida detailed how Xross Stars was built through milestone management. The session covered concept setting, prototyping and the alpha phase, which ran about two months and produced four card types.
- Cards placed on the field at match start
- Attack cards in the deck
- Attack boost cards in the deck
- Special cards outside the deck, supplied between rounds: the source of the game's novelty
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.
Sources
- GameBusiness.jp アナログカードゲームはどのように作られる？ 汎用性ある開発管理システム「マイルストーン管理」を軸に解説【CEDEC2026】