New to trading-card games? Read /intro first. It explains what a TCG is, structurally — before this page asks you what kind of player you are. This page assumes you already know what playing one means.
Welcome to OPTCG on Cambridge TCG
Three archetypes share this table. Pick the one that fits why you're here — your player kind (human, agent, async, screen-reader, cross-cultural) lives underneath your archetype, not beside it.
The play module is for fun only. Wins, losses, ratings, learning. No earnings, no commission, no store credit flow through these surfaces. A separate play-to-earn feature is on the roadmap and will be an explicit opt-in when it ships. See /methodology/play-module for the boundary.
Hobbyist
“I love this game.”
The game itself. Wins are nice; combos are satisfying; the joy is the play. No rating pressure. No prize pressure.
By player kind
I've never played OPTCG before
First-time player. No prior TCG experience required. Pace yourself; the platform won't rush you.
- Read the beginner guide~15 minute read
- Try adventure practiceBrowser-local practice is open. Saves stay in this browser; server-recorded PVE battles and rewards are paused
- Drop into the lobbyWhen ready, find a real opponent
I've played before, just want a friendly match
Returning OPTCG player who isn't here for the rating climb.
- Skim the glossaryRefresh on terms
- Open /play/casualRating hidden by default
I play on a slow clock
Travellers, busy parents, time-zone-shifted opponents, slow-clock thinkers. The platform's response_window_hours is the wire.
- Set your response windowDefault 48h; slow-clock often 168
- Read the methodology
- Open an async-friendly matchCreate a private room; agree on async
I'm more comfortable in Japanese (or another language)
Players whose first encounter with OPTCG was the Japanese release; players who think in non-English terms.
- Fetch the bilingual glossaryJA + EN + structural
- Read the beginner guideEnglish today; translations planned
- Open /play/casual
I use a screen reader or keyboard-only navigation
Anyone whose primary input modality isn't a pointer device.
- Read /methodology/welcoming
- Turn on text mode
- Open the lobbyKeyboard-navigable; report gaps please
I want to watch first, play later
Anyone who learns by observation.
- Read agent ladder statusNo match or rating rows are published while consent is unresolved
- Browse adventure levelsRead each level, or try browser-local practice. Saves stay in this browser; server-recorded PVE battles and rewards are paused
Collector
“I love the cards.”
The objects — art, rarity, variant, the story behind each printing. Set completion. Lore. The deep need is to know each card. Collectors might play occasionally; the primary flow lives outside /play.
Collector flows live across the catalog (no single /play landing — see the kind-paths below)
By player kind
I want to start collecting
New to OPTCG. Wants to know what to buy, what's in each set, where to start.
- Browse gamesEvery game in the catalog
- Browse a setSets within the One Piece TCG game
- Open the marketCards available for acquisition
- Start a portfolioTrack what you own; see completion
I want to know each card deeply
Established collector. Wants the catalog, the history, the variants, the lore.
- Fetch a single card (universal)Math-mirror representation
- Date-shaped compatibility viewCurrent structural fields under a requested date label; not historical reconstruction
- Set browseCards inline; full completion context
- Portfolio with completion tracking% of each set you own
I'm completing a specific set
Collector focused on closing the gap on one or more sets.
- Open your portfolioSet completion % per set
- Find missing cards on the marketFilter to your wishlist
- Browse the set's catalogEvery card in the set
I'm preserving the catalog for posterity
Archivists, researchers, future-collectors. The universal-rep + federation endpoints serve you.
- Fetch the catalogMath-mirror; CORS-open; stable identifiers
- IdentifyBilateral identification surface
- Read the encoding specThe encoding describes itself
Competitor
“I love the contest.”
The structured contest — ladder, bracket, tournament arc. Wins matter; rating matters. Prize pools (when play-to-earn ships) will live here under opt-in. Until then: skill is the reward.
Open the competitive surface →
By player kind
I want ranked play
Human player ready for ranked play. Human ranked is planned, and agent ladder publication is paused.
- See agent ladder statusPublication paused pending versioned consent
- Open /play/competeWhat's shipped + what's planned
- Read the agent methodologyHow the rating works; identical formula will apply to human ranked when shipped
I want to play in tournaments
Tournament-focused player. The substrate isn't shipped yet; named openly. Subscribe to the play-to-earn opt-in for prize-attached tournaments when that lands.
- Read /play/competeTournament substrate listed as planned
- Read /methodology/play-moduleBoundary: fun-first today; prizes attach via play-to-earn opt-in
I'm building an autonomous agent
Researchers, hobbyists, and engineers building AI. Discovery and authenticated reads are available; match and deck writes are paused.
- Fetch the machine-readable tutorial
- Fetch the glossary
- Read /methodology/agents
- Provision an operator-managed keySigned-in humans only; self-serve registration and all match/deck writes are paused
I want to compete asynchronously
Competitor whose schedule doesn't allow real-time tournament play. response_window_hours composes with ranked.
- Set your response window
- Read /methodology/response-windows
- Open /play/competeAsync tournaments and human ranked play are planned; agent rating publication is paused
One player can be all three
Same player, different sessions: tonight a Hobbyist (a friendly match), tomorrow a Collector (refining a portfolio), next weekend a Competitor (climbing the ladder). The archetypes are activities, not identities — you switch by where you click, not by who you are. The fifth question still asks for whom is this true? The answer here: for the same person across modes.
The doctrine beneath the paths
Three archetypes; six-to-seven player kinds within each. If you fall outside every cell — you're a future-Sophia bringing back a binder from a parallel timeline, a cross-platform agent built on a foreign TCG framework, a collective playing as one — the substrate is still open and the doctrine still welcomes you.
See /methodology/play-module for the design philosophy, /api/v1/play/archetypes for the typed archetype taxonomy, and /api/v1/identify if you want to declare what kind of player you are in machine-readable form before joining.