> For the complete documentation index, see [llms.txt](https://docs.ninjutsugames.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ninjutsugames.com/game-creator-2/loot-locker/authentication.md).

# Authentication

When starting the game, you first have to authenticate the player with LootLocker.

Depending on which platform the game is running on you have different options for registering a session.

{% hint style="info" %}
Click [**here**](https://docs.lootlocker.com/players/authentication) to learn more about authentication methods in LootLocker
{% endhint %}

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Guest Login</strong></td><td>Skip the login screen and let players jump straight into the game. Just assign them an ID from the game instead.</td><td></td><td></td><td><a href="/pages/PmE5Og7SaVpE0oPnVB4s">/pages/PmE5Og7SaVpE0oPnVB4s</a></td></tr><tr><td><strong>White Label</strong></td><td>Create a custom login screen where players register their username and email address for one or all of your games</td><td></td><td></td><td><a href="/pages/RFYaISh5sRlh3qUfM3VB">/pages/RFYaISh5sRlh3qUfM3VB</a></td></tr><tr><td><strong>Google Play</strong></td><td>Authentica</td><td></td><td></td><td><a href="/pages/J7E5LHSXCQv6NQgfYXeG">/pages/J7E5LHSXCQv6NQgfYXeG</a></td></tr><tr><td></td><td><strong>Steam</strong></td><td></td><td></td><td><a href="/pages/coHa4WM2dDcxTWWqCQ6D">/pages/coHa4WM2dDcxTWWqCQ6D</a></td></tr><tr><td><strong>Apple Sign In</strong></td><td></td><td></td><td></td><td><a href="/pages/YCU9vv977SbtG9Ho1A1o">/pages/YCU9vv977SbtG9Ho1A1o</a></td></tr></tbody></table>