Lurk (from the English word "lurk" — to hide, to wait in ambush) is both a player and a tactical move in which one member of the team deliberately separates from the main group and operates alone in a remote part of the map. Their task is not to engage in an open fight right away, but to gather information, stall for time, and punish an opponent at the right moment — one who has gotten careless or moved into an unfavorable position.
The player performing this role is called a "lurker" — the term applies both to the process and to the person. In teams, this function is often assigned to a specific player who knows how to wait patiently and make decisions without constant guidance from the IGL (in-game leader, the player who calls tactical shots).
How It Works in Practice
Lurking is especially noticeable on maps with multiple passages and forks. While the main part of the team moves as a standard group toward one site, the lurker stays behind or heads to a flank. If the opponents don't notice his absence from the main group, they may calmly rotate (move between map sites) through his position — and get caught off guard with an unexpected frag.
Lurking is particularly valuable in rounds where stalling for time matters: for example, during an opponent's eco round (when the enemy team saves money instead of buying gear), or in situations where it's necessary to gather information — where the opponents went, how many of them there are, and what equipment they have. Information from the lurker often determines whether the team will play out the round aggressively or fall back.
Risks of the Tactic
The downside of lurking is that it temporarily weakens the main group's numbers. If the lurker dies without accomplishing anything or fails to relay information in time, the team ends up playing at a numerical disadvantage without any compensation. That's why successful lurking requires not just patience, but also a good sense of timing — knowing when to make contact and when to simply observe and retreat.
The word entered esports vocabulary from general gaming slang, where "to lurk" means to observe what's happening without actively participating — this meaning has carried over into the tactical context of CS2.