Empowering Tabletop RPG Gamers to create and play any custom game they can imagine.



Adventures are in Alpha! Atomic RPG System Gods can now access and build their very own Adventures!

What is an Adventure? An Adventure is what the gaming group will go through in a single play session. It is a story that binds together the party with a series of Encounters. These are played out through roleplaying, skill challenges, and battle! An Adventure is what brings together all those pieces to make an awesome night of gaming.

Search Adventures Here or Create your own Custom Adventures here!

Sign up for a Atomic RPG System God account to be the first to test these new tools! Only Atomic RPG System Gods have Alpha access. However, these tools will be released for everyone once Alpha is over. 


12 Months Free + 50% Off After!

Happy New Year! 2020 is looking to be a great your for the Atomic RPG System. The GM Tools will be released!

We are offering a FREE YEAR on all subscriptions to get you playing!

Sign up as a Atomic RPG System God and you will have alpha access to test out and work with the new campaign, adventure, and encounter tools!

Use the promo code:


This promo will run until the GM Tools are released, so sign up now. It will probably run through the end of Febuary. So if you want to try out the new GM Tools, sign up today! Only Atomic RPG System Gods get alpha access to new features.