Treasure.hunter.simulator.exploration-codex.par... Official

: A mix of arcade and simulation mechanics including a 3D artifact viewer for identification and a fully explorable home office to display your collection. Exploration Mode Specifics

According to the official Steam Page and developer updates, the game includes: Treasure.Hunter.Simulator.Exploration-CODEX.par...

The file naming convention refers to a specific release of the game Treasure Hunter Simulator that highlights the Exploration Mode as its primary feature. Key Game Features : A mix of arcade and simulation mechanics

The "Exploration" release specifically emphasizes the game's non-linear mode: Treasure.Hunter.Simulator.Exploration-CODEX.par...

: In standard play, locations randomize treasures only once upon entry to allow for 100% completion; this specific mechanic does not affect the more free-form Exploration Mode.