I decided to make a web-app clone of Jeopardy for my programming portfolio. I used Java 8, Spring Boot, Spring Security, Tomcat, SQL, Hibernate, HTML, CSS, JavaScript, Tomcat, RESTful APIs, Bash, Scripting, Thymeleaf and Amazon Web Services' EC2 and RDS to create this.
It is one player, saves your high score on the database and includes a spell check. You can skip questions you don't know the answers to if you don't want to lose points!
Check out the code on GitHub: https://github.com/brandtleeds/pProjects
Picture below: