This research is to examine the effect of free shipping promos, and gamification on purchase decisions with purchase intention as an intervention variable. The object of this research is marketplace users aged 18 to 35 years. The sampling method used a non-probability sampling technique, involving 209 respondents. Data analysis used is statistical analysis in the form of SEM (Structural Equation Modeling) SMART PLS version 3.0. The results of this study indicate that Free shipping has a positive and significant effect on purchasing decisions, Gamification has no effect on purchasing decisions, Free shipping, and Gamification have a positive and significant effect on purchase intention, and Free shipping, Gamification have a positive and significant effect on purchasing decisions with purchase intention as a variable intervene