> For the complete documentation index, see [llms.txt](https://apertus.gitbook.io/vr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apertus.gitbook.io/vr/vlft_application/lobby-user-interface.md).

# Lobby

After the VLFT Gamification Application started the Lobby GUI will appear.

![](/files/-M_pbtWWLKJLHvNj_OXx)

Two options are available:\
   1:  Single-player mode\
   2:  Multi-player mode\
      2.1:  Student mode\
      2.2:  Teacher mode

The list of uploaded rooms will appear in the case of Single-player mode. After the desired room was selected and the "Start" button was clicked then the resources will be updated on-demand and the configuration files of the selected room will be downloaded. The room is only available locally for one user no other participant can be involved. 

![](/files/-M_pezGpLorjjeKf8bxv)

The list of online rooms will appear in the case of Multi-player mode. After the desired room was selected and the "Join" button was clicked then the resources will be updated on-demand and the user will be involved in a shared room with other participants.  

![](/files/-M_pf_Bx6pU5-0S-OSRR)