A library of worlds,
ready to query.
Every scenario ships with perfectly linked tables, an OSI semantic layer, and a generated REST + MCP interface. Pick one and start interacting — or download it as DuckDB.
▶ REPLAY Game of Life
Conway's automaton as a perfectly observable, deterministic grid world.
▶ REPLAY London Underground
A live tube graph — eleven lines, hundreds of trains, platforms held as a mutex.
▶ REPLAY Pac-Man
A self-playing arcade game — ghosts chase a flood-filled distance field.
Claims FNOL
First notice of loss through settlement, with capacity-capped regional adjusters.
Jaffle Shop
dbt's classic Jaffle Shop dataset, regenerated as a live simulation at any scale.
Payment Processor
A European processor — cross-border geographies routed onto SEPA, BACS and AUTOGIRO rails.
Online Shopping
Order fulfilment against live warehouse stock — confirmations, shipments and returns.
Service Queue
Bank-branch queueing — tellers, peak periods, and complexity-driven wait times.
Policy Servicing
High-volume service requests against a growing policy book and a fixed human team.
Submission Intake
The commercial submission-to-bind funnel — extraction, NIGO chase, referral, quote, bind.
Artisan Market
A craft marketplace where every string field is generated by faker.
Programmatic Ads
A real-time-bidding exchange — publishers, slots, bids, impressions and clicks.
▶ REPLAY Tiger POMDP
The canonical POMDP — a hidden tiger, noisy growls, a finite-memory policy.
Cliff Walking
Sutton & Barto's cliff-walking gridworld — three policies, one dangerous edge.
▶ REPLAY Recycling Robot
Sutton & Barto's recycling robot — search, wait or recharge under a battery MDP.
▶ REPLAY Thermostat
A continuous-state HVAC MDP — real-valued temperature, threshold control, noisy dynamics.
▶ REPLAY Prisoner's Dilemma
Iterated Prisoner's Dilemma with truly simultaneous, synchronous moves.
PageRank
PageRank as a random surfer — one six-page graph, three damping factors.
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