A clean, fully documented C# wrapper around the LootLocker Game API built for MonoGame and plain C# projects. Drop it in, configure three lines, and your backend is ready.

Auth — Guest sessions with automatic player identity persistence, Steam authentication

Player — Profile info, display name, persistent server-side key-value storage

Commerce — Currencies, denominations, wallets, balances, catalog browsing, credit and debit

Leaderboards — Submit scores, fetch rankings, member lookup, full leaderboard metadata

Progressions — XP systems, battle passes, skill trees — add, subtract, reset, delete

Triggers — Achievement-style reward firing, single and batch

.NET 8, System.Text.Json — no Newtonsoft dependency

Single static HttpClient — no socket exhaustion

CancellationToken support on every async method

Full XML documentation — IntelliSense on everything

Comes with a README and a working MonoGame example repo

One singleton. One Init() call. Everything else just works.