Aggression-Based Matchmaking and the Question of Intended Gameplay in PvPvE
Aggression-based matchmaking (ABMM) has recently become a flashpoint in discussions around ARC Raiders and similar PvPvE extraction games. This system is intended to align players whose engagement patterns — whether hostile or cooperative — are similar, thereby reducing mismatched expectations that often lead to frustration. Much of the debate has focused on whether such systems unfairly segregate players, dilute player freedom, or undermine the core identity of the genre.
Rather than treating ABMM as a controversy to be litigated, this article approaches it as a design signal. This article explores how matchmaking systems like ABMM function and what they imply about how PvPvE games accommodate differing player motivations.
By examining ABMM, player behavior, and the much-debated phenomenon of “ratting”, we can better understand not only why these systems exist, but what tensions they are attempting to manage.
PvPvE and the Problem of Intent
PvPvE games occupy an inherently unstable design space. They offer layered interaction: environmental threats, player conflict, emergent encounters, and high-stakes extraction. Unlike pure PvP or PvE, they do not prescribe a single dominant activity, instead allowing players to choose how they engage with risk.
This flexibility generates recurring tension. Some players primarily pursue PvE objectives, often minimizing or avoiding PvP whenever possible. Others treat PvP as central, using PvE largely as a vehicle for player encounters.
Aggression-based matchmaking can be understood as a response to this divergence. By clustering players based on demonstrated engagement in PvP, ABMM preserves the intended experience for those actively participating in the PvPvE experience. Players who consistently avoid PvP are grouped separately, reducing the likelihood that their behavioral patterns influence matches designed around mutual engagement.
As a result, players who frequently initiate combat are more likely to encounter opponents with similar engagement thresholds. In mixed PvPvE environments, this approach addresses the familiar challenge of “finding PvP”: participants can reliably engage with others whose objectives align with PvP, without the friction introduced by mismatched playstyles.
Symmetry, Skill, and the Esports Counterexample
At first glance, this concentration raises an objection: does matching aggressive players together not reduce enjoyment by making encounters harder or less predictable?
Competitive gaming offers a useful counterexample. Esports and ranked PvP environments intentionally build symmetry — skill-based matchmaking, standardized arenas, and balanced objectives — because such symmetry tends to make competition more meaningful.
Symmetry, in these contexts, is not a drawback. It is the source of excitement.
PvPvE games, however, intentionally reject many of these constraints. They trade predictability for atmosphere, symmetry for emergence, and control for tension. As a result, they inherit a contradiction: players accustomed to asymmetric advantages may find symmetrical encounters uncomfortable, even when those encounters align more closely with competitive ideals.
ABMM pushes PvPvE slightly closer to symmetry along one axis only: aggression. It does not equalize gear, positioning, or information. It simply ensures that players who seek PvP are more likely to find it in others.
Rats as Environmental Optimizers
No discussion of PvPvE behavior is complete without addressing “rats.” Often framed as exploitative or unsporting, ratting is more productively understood as an optimization strategy in a hostile environment.
Rats discard everything that is not strictly necessary for victory. In an extraction game, victory typically means survival and extraction. PvE encounters are minimized, exploration is curtailed, and combat is avoided unless the odds are overwhelmingly favorable.
This behavior does not reject PvPvE design. It responds to it.
When loss is costly, information asymmetry is powerful, and extraction is the win condition, players are incentivized to reduce uncertainty. Ratting emerges as a rational compression of the game into its most efficient components: information, timing, positioning, and exit routes.
Importantly, rats are difficult for aggression-based systems to isolate. They fight rarely, but decisively. Their behavior resembles caution or low aggression, even when their impact on other players is significant.
As aggressive PvP players are clustered together by ABMM, environments may become more predictable, inadvertently rewarding patience and ambush. Rats are not eliminated by such systems; they often become more effective within them.
Two Theoretical Endpoints
Once ratting is understood as environmental optimization rather than deviant play, the question becomes less about elimination and more about design direction. Two theoretical responses present themselves.
1. Increased Detection and Behavioral Modeling
One approach is to refine detection. Rats often exhibit long periods of stillness, repeated use of the same positions, and selective engagement. These behaviors are measurable.
However, they are also ambiguous. Snipers, defenders, cautious solo players, and even overwhelmed newcomers may display similar patterns. At a certain point, the system stops identifying playstyles and begins prescribing them, encouraging movement or engagement not because it improves gameplay, but because it makes players legible to the algorithm.
This shifts matchmaking into behavioral correction.
2. Eliminating Asymmetry Through Environmental Control
The second response is to remove the advantages that make ratting effective. This implies clearer sightlines, fewer hiding spots, more predictable encounters, and greater information symmetry.
Taken far enough, this approach transforms the game. Organic environments give way to controlled spaces. Emergent encounters are replaced by scheduled ones. The result resembles MOBAs or traditional ranked PvP modes, where symmetry is intentional and engagement is guaranteed.
This is not a failure state. It is a genre shift.
Anticipated Counterarguments
“PvPvE games should always allow all playstyles.”
Allowing playstyles does not require mixing all of them indiscriminately. Matchmaking that groups similar behavioral intents preserves diversity at the ecosystem level, even if individual matches feel more focused.
“ABMM removes organic encounters.”
ABMM removes mismatched expectations, not emergence. Players still retain freedom within matches; they are simply more likely to encounter others with similar engagement habits.
“This punishes good PvP players.”
Being matched with other capable opponents is the foundation of competitive play. Difficulty alone does not imply punishment, particularly when symmetry enhances meaningful interaction.
Conclusion
Aggression-based matchmaking is best understood not as a concession to one group of players, but as an attempt to preserve intended gameplay in a genre defined by tension between asymmetry and fairness.
Rats, aggressive PvPers, and cautious explorers are not problems to be solved. They are signals. Each reflects a rational response to incentives embedded in the environment.
No system can fully reconcile organic emergence with perfect symmetry. ABMM represents a choice about where along that spectrum a game wishes to exist.
Understanding that choice, and its tradeoffs, is more productive than debating whether any single playstyle belongs.
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