Continue — To Checkpoint 1 [file]

Kael took a breath, tasted the metallic tang of thinning air, and broke into a heavy, lung-burning run.

Kael looked at his oxygen gauge: 12%. The "file" he carried—a physical encrypted drive tethered to his wrist—felt heavier than the lead casing suggested. It contained the terraforming bypass codes, the only thing that could stop the colony’s atmospheric processors from venting the remaining oxygen into the void. Continue to Checkpoint 1 [file]

Should Kael at the airlock, or should he discover he’s not alone at the checkpoint? Kael took a breath, tasted the metallic tang