Why You Need to Track Collision Tunneling in Your Game

Ask a developer who has shipped a few games what they would do differently, and error tracking comes up again and again. Not because it is exciting, it is not, but because the alternative, shipping a game and hoping, turns out to be far more expensive than it looks. This post lays out the real argument for error tracking: not as a checkbox, but as the visibility that everything else, prioritization, fast fixes, good reviews, ultimately depends on.

Why this class of failure stays hidden

This particular kind of failure is dangerous precisely because it tends to stay hidden. It often strikes intermittently, on specific configurations, or in ways that do not obviously announce themselves as a bug, so it slips past casual testing and rarely generates a clear report from players. The result is a problem that quietly degrades the experience while leaving little trace for you to follow.

Error tracking is what drags this class of failure into the light. By capturing every occurrence automatically, with the context that explains it, tracking turns a vague, intermittent annoyance into a concrete issue with a count and a cause. For a game, that means the bugs that would otherwise erode trust slowly become visible problems you can actually prioritize and fix.

The default state is blindness

A game that ships without error tracking leaves its developer guessing about the one thing that matters most: what is actually breaking for real players. You feel the game is stable because it is stable for you, on your hardware, in the few paths you happen to test. That feeling is comforting and frequently wrong.

This blindness is not a small inconvenience, it is a structural handicap. Every decision you make about where to spend your limited time is uninformed, because you do not know what is breaking. You might polish a feature while an error on the opening level quietly churns a third of your new players. Error tracking removes the blindfold; it does not fix your bugs, but it shows you what they are, where they strike, and how often, which is the prerequisite for every sensible call about stability you will ever make.

Players quit, they do not file reports

The hope that players will report what breaks is one of the most expensive assumptions in game development. In practice only a tiny, self-selected minority ever speak up, and they are your most patient and technical players, not the casual majority who simply leave. So the trickle of reports you do receive badly understates the real failure rate and skews toward the people least representative of your audience.

Automatic capture flips the equation. Instead of relying on the goodwill and persistence of a few, you record every failure the moment it happens, turning the silent majority into data. The errors that hurt you most are precisely the ones nobody reports, and those are exactly the ones automatic tracking surfaces. It converts invisible churn into a ranked, fixable list.

A force multiplier for developers

With tracking in place, a fundamental shift happens in how developers spend their time. Instead of guessing, you work from a ranked list of real failures. You catch regressions in hours instead of weeks. You walk into each release with a clear picture of stability rather than a hope. The whole operation becomes evidence-driven instead of anxiety-driven, which is transformative when you are stretched thin.

Leverage is the whole game for a small team, and few tools offer more of it. A modest amount of setup buys you visibility that would otherwise require people you do not have. That is why the studios that punch above their weight on quality almost all treat error tracking as basic infrastructure rather than a luxury to add someday.

It helps you reproduce the unreproducible

Every developer knows the special misery of a bug they cannot reproduce. A player swears the game broke; you try the obvious steps and everything works; the report stalls and the bug stays live. The root cause is almost always missing context, the specific device, the exact sequence of actions, the state the game was in. Error tracking captures all of that automatically, so the report arrives with the information you would otherwise have to extract painfully over a week of back-and-forth.

And because the context travels with the report, you can fix bugs you could never have found on your own hardware. The failure that only occurs on a specific GPU, or only after a particular save state, becomes tractable. Error tracking does not just tell you a bug exists, it hands you the conditions to recreate it, which is most of the battle.

Add it before you think you need it

There is a persistent myth that error tracking is something you graduate to once your game is bigger or more serious. In reality the earlier you add it, the more it pays off, because the early build is the one breaking most often and teaching you the most. Waiting until you 'need' it means flying blind through the exact period when visibility is most valuable.

Adding it early also builds the right habit while it is cheap to establish. You learn to work from real failure data from the first build, so that by the time real players arrive you already have the instinct and the tooling. Retrofitting that discipline later, mid-crisis, is far harder. Like source control, error tracking is something you set up once and are endlessly glad you did.

Setting it up with Bugnet

This is exactly the workflow Bugnet is built for. Drop the SDK into your game and every unhandled error is captured automatically, complete with stack trace, device, OS, and the recent actions that led up to it, so nothing breaks for a player without leaving you a trail. An in-game report button sits alongside it for the softer issues, the soft locks and confusing moments, that automatic capture alone would miss.

Occurrence grouping then turns the raw stream into a worklist, folding identical failures into one issue with a count so your worst problems are obvious and your time goes where it matters most. You can filter by device or any custom attribute to isolate configuration-specific bugs, and everything lands in one dashboard alongside player reports, so automatic and human-reported issues share a single triage flow. For a small studio, it is visibility you simply did not have before, with very little setup.

What it comes down to

In the end the argument is not complicated. The failures that hurt a game most are the ones you cannot see, error tracking makes them visible, and everything good follows from that visibility, faster fixes, better reviews, calmer launches, and a small team that punches above its weight. It is among the highest-leverage hours you can spend on your game, and almost no one who adds it regrets it. The only common regret is waiting too long to start.

The crashes you never hear about are the ones costing you most. Error tracking makes them visible while you still have time to act.