One system that is widely used now is the e-learning system, which in the system brings the influence of transformation from conventional education to education with digital forms. This research uses the RD method. The results of black box testing by testing the functionality of the e-learning gamification learning system, the results obtained are as expected and all available features run well. The effectiveness of using a website-based gamification e-learning learning system in mathematics subjects is reviewed by comparing pre-test and post-test data. The learning media is said to be successful if the gain score value obtained is 0.71 or in the high category. To test the effectiveness of the e-learning learning system, researchers used the pre-test and post-test method on 15 students of class VI-C SDN Purwantoro 1 Malang City which resulted in a difference in value or the final result of the test in the form of calculating the gain score value by obtaining a value of 0.71 which is classified as a high category. Based on the research that has been done as a whole, it can be concluded that researchers have successfully implemented a website-based gamification e-learning learning system to improve student learning outcomes.

This research addresses the common problem in mathematics education in Indonesia, which is the students' difficulties, as reflected in Indonesia's declining ranking in the Program for International Student Assessment (PISA). The research aims to create an innovative Augmented Reality (AR) Educational Game based on the Realistic Mathematics Education (RME) approach to improve students' understanding of the spatial geometry mathematics subject at the elementary school level. AR technology allows students to interact with mathematical objects in real-world contexts using Android devices. This game is designed to make mathematics more engaging and relevant to elementary school students. The research was conducted at Purwantoro 1 Public Elementary School in Malang City over four months, following the Game Development Lifecycle (GDLC). The test results showed an n-gain improvement of 0.71, indicating a positive impact of the game's development on students' learning outcomes.