Core LeSS Game

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Purpose: An interactive and collaborative card sorting activity to learn the differences between “Core LeSS” (a must have to be LeSS) or “Supportive Approaches” (often useful or common on LeSS teams, but, you could do LeSS without it), and what is “Not LeSS” (nothing to do with LeSS). Useful for a pre-assessment, review, and learning about LeSS. It is also useful in debunking common misperceptions around LeSS.

Suggested Duration: 10-20 Mins (depending on how long you debrief)

Recommended Size: 3 to 10 people

Supplies: Core LeSS Game Handout, Scissors


  1. Cut the sections on the dotted lines.
  2. Place the headers on the table or wall.
  3. Spread out the practices, roles, and artifacts on the table.


  1. Ask the participants to sort each cut-out under one of the following headers: Core LeSS, Guiding Practice, or Not LeSS.
  2. The sorting can be facilitated in several ways. For example, silent sorting or even planning poker (1=Core LeSS 2=Guiding Practice 3=Not LeSS).
  3. Once the participants are done sorting, the trainer/facilitator will go through and validate the answers and evoke dialogue.


The main idea is to help students understand what is essential in order to be LeSS. Yet, much more learning can happen in the debrief. For example, I often pull two items to compare and contrast them. Asking, “What is the difference between a Product Owner and Area PO?” Or, as we validate the Area Product Owner is Core LeSS, I might ask “And what is the Area PO responsible for?”.

Core LeSS Game.pdf (683 KB)

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