Sources & image credits
Check the developer references behind the game facts and the origin of the editorial screenshots.
Primary references
Last source review: September 16, 2026. Official descriptions establish facts; the operating routines and example calculations on this site are our own explanatory material. The August rules article predates 1.0, whose patch notes mention changed card stats and effect text.
OPNeon Games — 1.0 update and launch FAQ
Workbench unlock, playable TCG, Ascension, tournament participation, save transfer and multiplayer status.
Publication or observation date: 2026-09-14.
Ding Shen Sia — Tetramon Duel Master introduction, Xbox Wire
Developer-authored introduction. Published before 1.0; use the live Workbench rulebook if anything differs.
Publication or observation date: 2026-08-17.
TCG Card Shop Simulator — official Steam listing
Game identity, management features, single-player classification and PC requirements.
Publication or observation date: 2026-09-16.
Editorial screenshots
The three illustrations below originate from the developer-authored Xbox Wire article. They are credited to OPNeon Games / Xbox Wire and are not original artwork by this website. Optimized copies are served locally for performance. Artwork and trademark rights remain with their respective owners; no general reuse permission is claimed.
1.0 shop key artwork
OPNeon Games / Xbox Wire. Original image source.
Tetramon duel screenshot
OPNeon Games / Xbox Wire, pre-release screenshot. Original image source.
Pre-release card anatomy diagram
OPNeon Games / Xbox Wire, pre-release diagram; not current stat data. Original image source.
What the images do not establish
Card names and numbers visible in pre-release artwork are not treated as a verified current card database. The diagram is used to show how card information is arranged, not to publish current combat values.
For a correction or removal request, see the reporting information.