In Writing skill is one of the basic skills that must be mastered in learning English. However, many students experience difficulties in writing skills, the difficulty of generating ideas to write is the main obstacle. Therefore, it is important to conduct research with the title, "The Effectiveness of Bits and Pieces Game to Seventh Grade Students Writing Skill". This research aims to determine whether the Bits and Pieces Game has a significant effect on the writing skills of class VII students of SMP Muhammadiyah 1 Jember. The method used was a quasi-experiment pre-test and post-test with a non-equivalent control group design. The population in this study were all class VII students of SMP Muhammadiyah 1 Jember for the 2022/2023 academic year. Using the saturated sampling technique (total sampling) which involved all students of class VII with a total of 36 students, then divided into two groups, there were class VII A with 22 students as the control group and VII B with 14 students as the experimental group. The implementation of Bits and Pieces Game makes students more interactive in learning, and students can write down interesting and organized ideas. Based on the results of the hypothesis test obtained a significance (Sig. 2-tailed) 0.000 <0.05, which means the null hypothesis (Ho) is rejected. This shows that the Bits and Pieces Game has a significant effect on students' writing skill.