> For the complete documentation index, see [llms.txt](https://impulse-dao.gitbook.io/impulse-dao/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://impulse-dao.gitbook.io/impulse-dao/games-for-developers/arena/vara-arena/creating-a-lobby.md). # Creating a Lobby ## Create a Lobby

### ### Join the Battle after you created a lobby

Lobby has a Tier and ID. Players can simply copy the link to a lobby to invite enemies. \ e.g. -

### Lobby Tier system The first player who registered for a Tournament sets the current ladder (ie difficulty level) based on the current gladiator level [LevelUp](/impulse-dao/games-for-developers/arena/vara-arena/levelup.md). ``` Level 1 => Tier 5 => + 5 rating / per lobby won Level 2 => Tier 4 => + 10 rating Level 3-5 => Tier 3 => + 15 rating Level 6-9 => Tier 2 => + 20 rating Level 10 => Tier 1 => + 40 rating ``` ### Lobby for four players Battle system - Lobby for four players creates 2 pairs and execute their battles asyncronously. 1. p1 x p2 2. p3 x p4 3. winners of previous battle. #### Gas reservation Why do we reserve gas for 4 player lobby? * A battle consists of 25 turns each, which results in \~ 53 messages between onchain actors, and gameplay execution; * Each battle takes around 250 bln gas; * Gas reservation allows Arena contract to continue battle logic execution using the reserved balance. What's gas reservation? *