A warm-up (in gaming circles also called "warming up" or a "warm-up session") is everything a player does before a serious game begins to reach a working level. The idea is the same as in traditional sports: nobody runs a race with cold muscles. In esports, what goes "cold" is the hands, the aim, the reaction time, and the attention.
How the word is used
Phrases like "I'll warm up first, then jump into ranked" are heard constantly. "Warm-up" refers both to the process itself and to the game played at half effort in order to get set. When a player says they "didn't get to warm up" and that's why they lost the first rounds, this is exactly what they mean: reaction time and accuracy hadn't yet reached their usual level.
Teams usually need a warm-up before an official match. In a tournament setting, on stage or in a studio, players often have a set amount of time to check their equipment and get a feel for the game, and this too is called a warm-up.
What a warm-up consists of
The exact set depends on the game and on personal habits, but the following elements are the most common:
- Aim work. In shooters like CS2, this means shooting at bots, aim-training maps, recoil control, and spraying at a wall to practice spray patterns.
- Mechanics practice. In Dota 2, this means drills for last-hitting enemy units, hero control, and quick actions with hotkeys.
- Playing at half effort. A regular match in a mode where the result matters less: an unofficial game, a deathmatch (a mode where players respawn immediately after dying and shoot without pauses), or a game with friends.
- Team communication. Before a match, a team may play a few rounds or a short practice game to get communication going and check how voices sound over comms.
- Physical preparation. Warming up the wrists, fingers, neck, and back. Long sessions at a desk put strain on the body, and simple exercises help maintain concentration.
Why it matters
The main goal is to eliminate the "cold start." In the first minutes after a break, players often miss shots, react more slowly, and make weaker decisions. A warm-up moves this "ramp-up" to a moment when it costs nothing.
There is a psychological side as well. A warm-up creates a familiar ritual that helps a player switch from everyday matters to the game and calm their nerves before an important match.
How a warm-up differs from ranked play
In ranked play, points are gained or lost based on the result, so it's the wrong place to experiment and "wake up" in the middle of a match. A warm-up is a safe zone: a mistake doesn't hurt your rating, and you can calmly check how your hands feel.
It's important not to overdo it. A warm-up that is too long causes fatigue, and one that is too intense spends your energy before the main game even starts. A short stretch of time is usually enough, after which the player feels "loosened up" and moves on to the main match.