Mullet MadJack: Achievements Guide for 100% and S-Rank Clears

If you want the shortest useful answer, treat Mullet MadJack as a skill-heavy 100% rather than a long grind. On Xbox, the game has 48 achievements worth 1,000 Gamerscore, and typical full completion estimates sit around 8 to 10 hours. That sounds fast, but the list is not just “finish the story and collect the rewards.” A big part of it is tied to how well you play: story progress, weapon usage, upgrades, executions, chapter performance, and repeated clears all matter.

The most efficient way to approach the list is simple: clear the main campaign normally first, learn which chapters you handle most cleanly, then do focused cleanup for anything tied to specific systems or better performance. That route saves more time than trying to force every condition on your first run.

What the achievement list is really testing

The important thing to understand about Mullet MadJack achievements is their role inside the game. This is not a passive checklist layered on top of a campaign. The list is built around the same arcade pressure that defines the game itself: fast decisions, aggressive movement, and making the most of the tools the run gives you. That is why the achievement pool appears broad instead of purely story-based.

Based on achievement tracking pages and community roadmap descriptions, the list breaks down into three useful categories:

• Natural story unlocks that you will get by progressing through the main campaign.
• System-driven achievements tied to weapon use, upgrades, executions, or enemy-specific actions.
• Performance achievements that ask you to clear content cleanly enough to meet a rank or repeat-run condition.

That structure is good news for most players. It means 100% is not locked behind giant collectible sweeps or a massive endgame grind. The harder part is execution. If you can play consistently, the list moves quickly. If you are still learning the game’s pace, the timer estimate becomes much less important than your ability to stay in control during runs.

The best route to 100% without wasting runs

Step 1: Do one normal completion first

Even if you are chasing achievements immediately, your first goal should be a solid clear rather than a perfect clear. Community descriptions suggest many achievements unlock through normal campaign progress, so there is no benefit to turning your opening run into a messy cleanup attempt. Use that first playthrough to learn chapter flow, enemy patterns, and which weapons or upgrades feel reliable in your hands.

This also gives you a reference point for later. In fast arcade shooters, the chapter you clear most comfortably is often the best place to chase a rank-based achievement rather than the chapter you think should be easiest on paper.

Step 2: Track what you are ignoring naturally

Because some achievements are tied to systems rather than simple completion, pay attention to habits that make cleanup harder. If you always stick to the same weapon type, always pick the same upgrade path, or avoid executions unless absolutely necessary, you are likely leaving progress on the table. You do not need to force every action, but you should notice early whether your playstyle is too narrow for the achievement list.

Step 3: Save deliberate challenge play for cleanup

Once the story-related unlocks are out of the way, go back and target the remaining categories one by one. This is where repeated clears, specific weapon or upgrade conditions, and chapter-grade goals become much easier to manage. You are no longer trying to survive blindly. You are running known content with a clear purpose.

S-RANK! is the achievement to plan around early

One of the clearest performance checkpoints in the list is S-RANK!, which awards 30 Gamerscore for earning an S-rank in any chapter. If you only remember one named achievement before starting your cleanup route, make it this one, because it tells you exactly what kind of 100% this is: not just completion, but polished completion.

The smartest way to approach it is not to chase it everywhere. Pick a chapter you already handle consistently and build your attempt around stability. In practice, that means using your most dependable options instead of experimenting during the run that matters. If a flashy setup gets you killed or slows your reactions, it is the wrong choice for an S-rank attempt even if it looks stronger in theory.

What usually ruins rank attempts is not one huge mistake. It is a chain of small ones: a missed execution, a scramble after taking damage, hesitation on a weapon swap, or overcommitting when the run was already good enough. Since the public sources here confirm the condition but do not break down every grading variable, the safe advice is to favor clean play over showy play. If you already know one chapter feels smooth, start there instead of hunting for a more “optimal” section from an outdated guide.

Which achievements will likely unlock naturally

The easiest part of the list appears to be the story side. Community guides group a chunk of the achievements as normal campaign progress, so a first completion should remove a decent amount of the board by itself. Depending on how broadly you play, you may also chip away at some weapon, upgrade, or execution-related goals without targeting them.

• Story progression achievements are the least stressful part of the list.
• General combat achievements may come naturally if you vary your tools instead of forcing one favorite setup every run.
• Any achievement tied to repeated exposure to the game’s core systems becomes more likely if you experiment during your initial clear.

The mistake to avoid here is playing too conservatively for too long. A safe clear is valuable, but if you refuse to use executions, ignore less familiar weapons, or auto-pick the same upgrades, your cleanup phase becomes longer than it needs to be.

Which achievements usually need deliberate cleanup

The sources point to a varied second half of the list: enemy-specific actions, upgrade choices, weapon-related requirements, and multiple full runs. Those are the achievements that separate a normal clear from a full completion. They also explain why player estimates can differ even when the headline time looks modest.

These are the ones that tend to slow players down:

• Performance goals like chapter ranking, because they depend on execution rather than raw time invested.
• System-specific goals if your normal playstyle does not naturally use the required action often.
• Repeated clear achievements, since they ask for consistency over multiple runs rather than one successful push.

This is also why the 8 to 10 hour estimate should be read correctly. It is a useful benchmark for a typical achievement hunter, but not a guarantee. If you adapt quickly and your rank attempts go well, that number is realistic. If you need extra runs to stabilize your execution, the total can climb without the list becoming grindy in the usual sense.

How to keep your achievement run efficient

A few practical habits make a big difference when you are cleaning up the last stretch of achievements.

• Use your first completed run as a reference map for what still feels shaky.
• Choose one target per cleanup run whenever possible instead of stacking too many conditions.
• Go for rank-based achievements in chapters you already understand well.
• Vary weapons and upgrades before you need to, not after you realize an achievement is still missing.
• Check current achievement tracker descriptions if community advice seems older than the platform version you are playing.

That last point matters because there is no strong public evidence of major achievement-list changes, but there is also low confidence on whether every current platform presentation matches launch-era community writeups perfectly. If you are using Game Pass or another newer platform entry point, treat old roadmap notes as helpful, not infallible.

Is the achievement list good for completionists?

Yes, especially if you like achievement lists that reinforce the game’s identity instead of padding it. Mullet MadJack does not appear to use achievements as a giant time sink. Instead, the list pushes you deeper into the systems that already make the shooter work: pace, aggression, adaptability, and cleaner chapter clears. That makes the hunt appealing if you enjoy improving at the game, not just ticking boxes.

The practical takeaway is straightforward: start with a normal completion, let the story achievements fall in naturally, identify one chapter for your S-RANK! attempt, and use cleanup runs to target weapon, upgrade, execution, and repeat-clear conditions. If you approach the list in that order, the 100% route stays organized and the harder achievements feel like focused skill checks rather than random busywork.