The first layer of the Data Files is utilitarian. They provide the player with operational orders, security codes, and location intel. In a traditional shooter, this would be relegated to a pre-mission briefing. On the Vita, picking up a "Security Dispatch" file that reveals a weak point in an Atlas mech feels rewarding, a small payoff for exploration. Yet even here, the files are tinged with desperation. One early file, a memo from a prison warden on the planet Namakli, complains about "test subject wastage," hinting at the horrors before the player ever sees them. The mission objective might be to "rescue a scientist," but the data files whisper that this scientist has been conducting unethical Reaper-tech experiments on salarian refugees.

At first glance, the premise of Infiltrator seems straightforward. You play as Randall Ezno, a Cerberus operative who, after witnessing the brutal, inhuman experiments conducted by his own organization, turns rogue. The gameplay loop is arcade-like: move from cover to cover, utilize biotic "Overload" pulses on the rear touchpad, and eliminate waves of enemies. However, the narrative engine is not the mission structure but the scattered data pads. These files, hidden in lockers, dropped by slain enemies, or found in off-path corners, serve three distinct purposes: backstory, mission context, and, most powerfully, moral indictment.

Thematically, the Data Files of Infiltrator accomplish what the main trilogy could not: they show the banality of evil within the Mass Effect universe. In Mass Effect 2 , the player sees the aftermath of Jack’s torture at the Pragia facility. In Infiltrator , the player reads the daily progress reports of that torture. The clinical tone—"Subject exhibited unexpected biotic flare; recommend increased sedation and neural dampeners"—is far more chilling than any cinematic cutscene. The files transform Cerberus from a mustache-twirling antagonist into a terrifyingly efficient corporation. They remind the player that for every Commander Shepard saving the galaxy, there are a thousand Randalls uncovering the receipts.

This system elevates the Data Files from passive lore dumps to active ethical puzzles. One file might detail a scientist who has a family; another reveals that same scientist personally executed ten hostages. The player must synthesize the fragments. The files do not tell you what to think; they present the bureaucratic horror of Cerberus in clinical, unemotional language. A standout example is the "Project Hammerhead" series of files, which recount how Cerberus lured quarian pilgrims with false promises of a new homeworld, only to dissect them for cybernetic research. Reading these on the Vita’s OLED screen, between frenetic firefights, creates a jarring cognitive dissonance—the thrill of combat versus the quiet horror of comprehension.