Have you ever burnt money on unprofitable UA? Was there an opportunity to scale that you missed? Identifying potentially long-term profitable campaigns as soon as possible using LTV prediction can double or triple profits of the mobile game. In this talk, we will look at how to effectively reallocate user acquisition investments early in campaigns’ lifetime using Machine Learning. We will shed light on some of the challenges game studios face when building a fully automatic LTV prediction pipeline for games with investment optimisation in mind.