- AlibiAlibi is the social permission a character gives you to act in ways you normally would not, because within the game it is the character doing it, not you.
- BleedBleed is when feelings or thoughts from your character seep into your real self, or vice versa, and is a normal part of emotionally engaged larp.
- BofferA boffer is a padded foam weapon made for larp combat, built so players can strike each other without causing injury.
- CalibrationCalibration is how players agree, and keep adjusting, how intense a scene or relationship should be, through a quick talk before play or quiet signals during it.
- CampaignA campaign is an ongoing series of connected larp events sharing the same world, characters, and story, where choices and consequences carry forward from one event to the next.
- Character backgroundA character background is the history and personality notes behind a larp character, written by the player or supplied by the organisers before the game.
- Crew (monster crew)Crew, or monster crew, are the people who play the enemies, villagers and other non-player characters at a larp event so the players have a world to meet.
- DebriefA debrief is a conversation after a larp ends where everyone steps out of character, says how they are feeling and helps each other return to everyday life.
- DowntimeDowntime covers the actions your character takes between live events, submitted to organisers so those choices can shape the story going forward.
- Fest larpA fest larp is a very large, multi-day larp event, often a camping festival, where hundreds or thousands of players share one game world.
- First-aid marshalA first-aid marshal is the person an event appoints to deal with real injuries and medical problems, a real-world role separate from any in-game healer.
- Game master (GM, ref)A game master (GM, or ref) is one of the people who run a larp, managing the story, answering rules questions and keeping play safe.
- Hit points and locational hitsHit points and locational hits are two common ways larp games track how much damage a character can take before they go down.
- In character (IC)In character (IC) means acting and speaking as your fictional persona rather than as yourself — the foundation of live-action role-play.
- In-game deathIn-game death is a story event where a character is treated as having died within the fiction, with consequences that vary widely between games.
- KitKit is everything a player brings to a larp to play their character: costume, armour, weapons, props and the gear they need on site.
- LammieA lammie is a small laminated card that stands for an in-game item, ability or effect, a term used mostly in UK larp.
- LarpLarp (live-action role-play) is a kind of shared storytelling game where players act out their characters in person, in costume, instead of describing them at a table.
- LARP-safeLARP-safe describes a weapon, prop or material built and checked to be safe enough for larp combat under a game's own construction and inspection rules.
- Latex (weapons)Latex weapons are foam larp weapons sealed with a coat of latex and painted to look real, while staying soft enough to strike with safely.
- Lines and veilsLines and veils is a consent tool where players agree before a game which content will never appear (lines) and which will only happen off-scene (veils).
- MetagamingMetagaming means letting your character act on knowledge the player has but the character could not possibly know, and avoiding it helps everyone's story feel fair.
- Module (mod)A module, or mod, is a short planned encounter that the game's staff run for a small group of players during a larp event.
- NPC (non-player character)An NPC is any character run by the game's crew rather than a player, from tavern keepers to monsters, used to drive story and create challenges.
- One-shotA one-shot is a self-contained larp that is played once, with a full story from start to finish and no continuing campaign.
- Opt-in playOpt-in play is a consent framework where players actively choose to engage with sensitive or intense content rather than having to opt out of it.
- Out of character (OOC)Out of character (OOC) means you are speaking or acting as yourself, not as your persona, so other players know to set the fiction aside briefly.
- PC (player character)A PC, or player character, is the fictional person you create and portray throughout a larp event — your main creative contribution to the shared story.
- Phys-repA phys-rep (physical representation) is a real object used to stand for an in-game item, a term used mostly in North American larp.
- Playing to losePlaying to lose means choosing what makes a better story over what is best for your character, a value in many story-focused larps.
- PlotPlot is the organised story and events that a game's organisers prepare for players to experience during a larp event.
- PowergamingPowergaming means prioritising mechanical advantage over story and shared fun, and is widely seen as poor etiquette in larp communities.
- Pulling blowsPulling blows means deliberately limiting the force of a strike in larp combat so that contact stays safe and within a game's weapon rules.
- RespawnA respawn is when a character who has been taken out of a fight returns to play, usually after going to a set point, common in battle-focused larps.
- Safety briefA safety brief is the out-of-game talk a game organiser gives before play begins, covering rules, emergency procedures, and physical boundaries every player needs to know.
- SanctuaryA sanctuary is a marked off-game space at a larp event where you can step out of the fiction, rest and get support at any time.
- SteeringSteering is when you, as a player, guide your character's choices for out-of-game reasons, such as making a better story or keeping a scene comfortable.
- TransparencyTransparency is a way of playing where players openly share their characters' secrets and plans out of character so others can help make the story happen.
- Weapon checkA weapon check is the safety inspection every LARP weapon must pass before a player may use it in combat, protecting everyone on the field.
- Workshop (pre-game)A pre-game workshop is a session before a larp starts where players learn the game's safety tools, meet each other and practise the kind of play to come.