# Certopolis > A free town-building game for IT certification practice. Each exam domain is a district of your town; a right answer to a practice question raises a building, a wrong one brings the question back later. Every question is AI-written (by Claude) from the exam's public guide and the vendor documentation page it cites, checked by a second AI, and may contain errors; every option is explained. Playing needs no account. Questions live today: 12,165 across 15 exams. Not affiliated with any exam vendor. ## Exams - [AWS Certified Generative AI Developer – Professional (AIP-C01)](https://certopolis.com/#exams-heading): 415 questions, 5 domains, by AWS - [AWS Certified Cloud Practitioner (CLF-C02)](https://certopolis.com/#exams-heading): 484 questions, 4 domains, by AWS - [AWS Certified Developer – Associate (DVA-C02)](https://certopolis.com/#exams-heading): 901 questions, 4 domains, by AWS - [AWS Certified Solutions Architect – Associate (SAA-C03)](https://certopolis.com/#exams-heading): 3,131 questions, 4 domains, by AWS - [Natural Sciences (Grade 8) (Grade 8)](https://certopolis.com/#exams-heading): 385 questions, 4 domains, by CAPS - [CFA® Program Level I (Level I)](https://certopolis.com/#exams-heading): 908 questions, 10 domains, by CFA Institute - [Claude Certified Architect – Foundations (CCAR-F)](https://certopolis.com/#exams-heading): 936 questions, 5 domains, by Anthropic - [CompTIA A+ Core 1 (220-1201)](https://certopolis.com/#exams-heading): 287 questions, 5 domains, by CompTIA - [CompTIA A+ Core 2 (220-1202)](https://certopolis.com/#exams-heading): 315 questions, 4 domains, by CompTIA - [CompTIA Network+ (V9) (N10-009)](https://certopolis.com/#exams-heading): 634 questions, 5 domains, by CompTIA - [CompTIA Security+ (V8) (SY0-801)](https://certopolis.com/#exams-heading): 580 questions, 5 domains, by CompTIA - [Certified Information Systems Security Professional (CISSP) (CISSP)](https://certopolis.com/#exams-heading): 1,712 questions, 8 domains, by ISC2 - [Certified Associate in Project Management (CAPM) (CAPM)](https://certopolis.com/#exams-heading): 770 questions, 4 domains, by PMI - [Project Management Professional (PMP) (PMP)](https://certopolis.com/#exams-heading): 569 questions, 3 domains, by PMI - [HashiCorp Certified: Terraform Associate (004)](https://certopolis.com/#exams-heading): 138 questions, 8 domains, by HashiCorp ## Pages - [Home, with a free run of questions](https://certopolis.com/): play without signing up - [Town looks](https://certopolis.com/looks): the themes a town can wear - [Board](https://certopolis.com/board): what players post - [Privacy](https://certopolis.com/privacy) ## Contact - hello@certopolis.com