The Investment Game needs to be played as a collaborative exercise with representation from all stakeholders. A stakeholder is one of these:
Anyone who is likely to influence product decisions
Anyone who is impacted by product outcomes
Anyone who is involved in product implementation
The Investment Game draws inspiration from the Buy a Feature game. If you have played Buy a Feature (http://www.innovationgames.com/buy-a-feature/), then you may be familiar with the format of this game. The idea of the game is to help stakeholders to get a sense of how costly a product feature is. The trigger for getting stakeholders to "buy a feature" is when we have a product backlog that has been estimated by developers, and we know that within the give time/budget we may be unable to deliver the backlog. The Buy a Feature game is an effective way of asking stakeholders to indicate feature priorities...