Tritium is the most rare resource in the game of Astro Lords: Oort Cloud. Being a crucial component and energy source to produce the asteroid’s defence dome,
To get tritium, players can:
- mine for it on alien asteroids
- accept Alien's or Boss' challenge at the Arena and win (if tritium is offered as a reward)
- send explorers to unidentified objects within green nebulas.
- purchase it at the Tritium Auction
- destroy the alien asteroid
Figures in the top panel show the total amount of tritium available to the player.