The Product Tree game is a feature prioritization technique developed by our friend Luke Hohmann for his book Innovation Games: Creating Breakthrough Products Through Collaborative Play.

We’re sharing it with you because it’s a productive way to work out priorities as a team, and it’s a really helpful method for mapping development. Who said product management couldn’t be fun?

One of your biggest jobs as a product manager is to translate and prioritize what feels like a million inputs flying in from across the company into just one cohesive product roadmap. To help you with this, we want to share one of our favorite feature prioritization frameworks with you. 

During this game, everyone gets a chance to bring up the priorities they feel are important for the future of the product. But which priorities will win?

You’ll want to set aside an entire morning or afternoon for this riveting afternoon of discussion, debate, and feature prioritization.

The more people you involve in the process, the better the understanding will be across the board. A good mix of internal stakeholders and active users will provide you with more valuable insights than just getting your product teams together in isolation.

Below you’ll find our easy how-to guide on running your own Product Tree session using this fun visual tool. We’ve also got a brilliant eBook about all of the most important prioritization frameworks for product managers. Just click the banner below to get your copy.

How to run your Product Tree Game session 

What you’ll need:

1. The Product Tree template (download below)
2. Post-it notes (leaf-shaped Post-its are perfect)
3. Sharpies 
4. A whole afternoon 
5. Coffee? Can’t hurt!

Step 1: Print our Product Tree template 

The Product Tree is what you’ll use to run your session. Get our free Product Tree template here, or draw your own out on a big whiteboard.

Each Product Tree consists of four elements:

• The trunk represents the core features already in your products.
• The branches are feature branches. Optionally, you can increase the thickness of single branches that are more important.
• The leaves are individual features that the workshop participants will place on the branches. The closer the leaves are to the trunk, the closer they are to being delivered.
• The roots represent the infrastructure and technical requirements that support your product. As with any tree, the bigger it gets, the more support it needs from its roots – so remember your technology as you expand your feature list.

That said, how you fill out this tree depends on the kind of product you want to build. If you want to focus on one area, your product could be the roots, and the area you’re focusing on would be the trunk.

Or, if you’re running a platform with multiple products, the platform itself could be the trunk, and the main branches would represent each of your products. 

Whatever the scale of your approach, you’ll need to list out the main areas of your product and label the branches of your tree accordingly. If your product areas have chunky bits of functionality or features within them, you could add those to the stubs of the branches. 

Step 2: Prepare your leaves  

Print out all the features you already have in your product, or want to add to your product. Or, write them down on Post-it notes. Also, make sure to have plenty of empty Post-its at hand for adding new ideas!

Don’t worry about adding all your existing features, because if you have a feature-rich product, you’ll be there all day.

Step 3: Get your group together  

Anyone can play this game. The more kinds of stakeholders you involve, the richer the output. It becomes especially interesting if you get customers involved in placing new features on the branches according to which they would most like to see in your product.

If you have more than 10 people joining in, prepare multiple sets of trees and leaves – ideally, you will have 4-10 people working on one single tree. This includes one observer per tree, whose role it is to ask the participants to clarify what they mean if there’s anything ambiguous on the tree. 

Step 4: Put the leaves on the tree 

Ask everyone to write their feature ideas on the (hopefully) leaf-shaped Post-it notes, then get them to place the Post-its onto the tree wherever they think they should go.

The further away from the trunk they are, the more into the future you’re planning. Leaves closer to the trunk are closer to deployment, while the canopy of the tree is more about long-term growth. 

Step 5: Prune your Product Tree 

Now the fun begins – like green-thumbed gardeners, get cracking on pruning the tree!

Pruning in this case doesn’t always mean outright cutting things from your tree, though. Really, ‘pruning the Product Tree’ is more about assessing what you put on your tree, and then collaboratively reorganizing it.

Moving features around or adjusting the thickness of a branch is just as valid as cutting an impractical idea (though you’ll still want to do that – but make sure hang on to them for the review phase). 

Together as a team, you’ll need to talk through the placement of each leaf, and work on refining where they sit on the tree as a whole. This means that you need to identify and remove branches, leaves, or even roots that are hindering long-term growth or putting roadblocks in the path of your solutions.

Once your team has put together their tree, they need to assess each leaf’s importance. How much value does it adds for your customers? How does it align with your product vision? And how much effort it would take to implement or to maintain? These are some of the questions you’ll want to throw out about each idea.

Consider the importance and impact to the customer, the relevance to your product vision, the effort required to bring it to market, and the impact on your business goals and product strategy.

Tips for having a successful Product Tree workshop

Here are some pointers on how to have a productive and fun Product Tree pruning session: 

• Personalize the tree to stimulate creativity. For instance, participants can add their own little markers to their ideas, or draw hearts around the features they really love. 
• Remember the significance of where leaves are placed. The closer the leaves are to the trunk, the more near-term they are. Leaves closest to the trunk are existing features, while leaves on the outer edges of your canopy represent the long-term future. 
• Don’t hesitate to use lines to show links or dependencies between features. Though try not to end up looking like Charlie in It’s Always Sunny.
• Don’t worry too much if the tree becomes unbalanced. Usually, the group participants or the observer will bring this up naturally. 
• Take pictures of the development of the tree(s) – this is useful for the review process. 

Step 6: Present and review internally 

At the end of the session, present your tree (or multiple trees if you worked in groups). Encourage everyone to ask questions and discuss. Often, more ideas will come up during this process, or leaves will be shuffled around.

Once you’re all packed up, take your product tree and the pictures you took and compare them against your current product roadmap. Useful questions to ask are: 

• Which “prepared features” got pruned? Especially if you’re working directly with customers, you might find that a much-loved feature is actually dispensable in the eyes of the user. 
• Do the trees retain their general shape? If you’re seeing an obvious imbalance – such as lots of leaves on one branch – this could be a signal that your users aren’t aware of (perception problem) or interested in (product/market fit problem) a whole feature set in your product. 
• Are you growing your product fast enough? If there are a lot of leaves close to the trunk, you may not be releasing new features fast enough; whereas lots of leaves on the outside shows that they’re looking for great things in the future. 
• What does your root system need to look like? If your customers are changing aspects of your infrastructure, it’s likely of critical significance to them to establish trust in the longevity of your product. 

At ProdPad we find the Product Tree game is a great way to dig into feature prioritization. Don’t forget to check out our free prioritization framework eBook, and if you need even more detail on the best way to run a Product Tree session, take a look at our free manual here. They’re both fantastic resources to help you with creating your lean product roadmap.

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