Nuclear Throne is a fast top-down roguelike shooter by Vlambeer where mutants fight through short, lethal levels, collect radiation, choose mutations, swap weapons, and try to reach the throne before the run collapses.
Content note: Nuclear Throne is rated Everyone 10+ in the U.S. with fantasy violence, mild blood, and mild language. This guide keeps the focus on movement, weapons, and run decisions.
This guide targets Steam Update 100. Console and non-Steam PC versions can differ in frame rate, widescreen support, co-op features, dailies, achievements, and bugs, so treat exact platform behavior as version-dependent.
Essential Tips
1. Start With Readable Characters
Fish and Crystal teach the game cleanly.
Fish gives you more ammo and a roll, which makes weapon practice forgiving. Crystal has more health and a shield, which lets you survive mistakes long enough to learn enemy patterns. Unlockable mutants are exciting, but many of them add sharper tradeoffs. Learn the basic rhythm with a straightforward character before building around low-health, dual-wield, summon, or secret-character mechanics.
2. Clear Space Before Chasing Drops
Radiation and ammo are only useful if you live long enough to spend them.
The game pulls you toward greed: rads for levels, chests for weapons, ammo boxes for one more fight. Do not cross open lanes just because a pickup is glowing. Kill nearby threats first, then collect. If you have to choose, stable positioning usually matters more than perfect pickup efficiency.
3. Carry Two Different Answers
Your weapon slots should solve different problems.
A comfortable loadout usually pairs a safe room-clearing weapon with a panic or boss answer. For example, a precise rifle-like weapon can handle distant enemies while a shotgun, melee weapon, explosive, or heavy burst option handles crowds and close fights. Avoid carrying two weapons that both drain the same ammo and solve the same range.
4. Pick Mutations for the Run You Actually Have
Good mutations are contextual.
Weapon-class mutations matter most when they match your current or likely weapons. Defensive mutations matter more when your character is fragile or your route is already messy. Ammo and pickup mutations become stronger when your weapons are hungry. Do not pick a mutation because it was good in a previous run if your current character, ammo, and weapon class point somewhere else.
5. Stop Shooting Before You Step Into the Portal
Level ends can still create danger.
Portals appear after enemies are cleared, pull pickups toward you, and can break nearby walls, props, chests, and canisters. That makes the end of a room useful, but also chaotic. Let explosions, cars, and loose projectiles settle before you drift into the exit. If the portal spawned in a dangerous spot, approach it deliberately instead of letting its pull drag you through a hazard.
6. Respect Secret Areas Without Forcing Them
Extra levels change both reward and pressure.
Secret areas and Crown Vaults can add resources, difficulty, weapon pacing, and risk. They are not mandatory for learning the main path. If you are still dying in early areas, use secrets as practice only when the route is clean. A failed secret detour teaches less than a stable main-route run where you reach a new boss or biome.
7. Treat Crowns as Run Modifiers, Not Free Power
A Crown changes the contract of the run.
Crowns can create strong effects, but they can also add pressure through curses, I.D.P.D. spawns, or harsher tradeoffs. Beginners should first understand normal weapon drops, portal flow, and mutation choices. Once you can reach vaults consistently, take Crowns intentionally and ask what behavior the modifier is rewarding.
8. Use Custom Mode to Practice
Practice tools are strongest when they sharpen real habits.
Update 100’s Custom mode is useful for learning enemy density, co-op chaos, weapon behavior, or challenge setups. Use it to isolate something you keep misreading, then return to normal mode so your instincts still fit standard drops and difficulty pacing.
9. Keep Dailies and Weeklies Serious
Set-seed modes punish careless experiments.
Dailies give a shared seed with one attempt, while weeklies use custom loadouts and can be replayed during their window. Warm up before a daily if you care about the score. In weeklies, study the starting weapon, character, and Crown before charging into a run built around assumptions from normal mode.
10. Learn From Death Immediately
A dead run should leave one clear lesson.
Nuclear Throne is harsh because rooms are short and threats stack quickly. After a death, name the immediate cause: bad portal approach, overcommitted pickup, mismatched ammo, greedy Crown, ignored explosive prop, poor mutation pick, or unfamiliar enemy. One lesson beats ten angry restarts.
Mutation and Weapon Habits
| Situation | Strong Habit | Why It Helps |
|---|---|---|
| Two same-ammo weapons | Swap one for a different ammo class | Prevents a single ammo drought from ending the run |
| Strong close-range weapon | Pair it with safe reach | Lets you clear dangerous enemies before they crowd you |
| Explosive weapon | Keep a non-explosive backup | Gives you an option in cramped rooms |
| Low-health character | Value defense and pickup stability | Lets skill mistakes stay survivable |
| Weapon-class mutation appears | Check your current and likely weapons | Avoids taking synergy with nothing to support it |
| Level-up before a boss | Pick consistency over novelty | Boss rooms punish experimental builds |
| Melee weapon found | Use it for safety, not swagger | Blocking or clearing space can matter more than damage |
| New weapon appears | Test it only when the room is safe | Unknown reloads and ammo costs can kill a good run |
Mutation choices are where many runs quietly become easier or harder. Early on, avoid building around a perfect future weapon. Take the option that helps you survive the next few rooms unless your current loadout already supports a clear synergy.
Portal, Area, and Difficulty Awareness
Every portal you enter advances the run’s hidden pressure. More portals can mean more danger, but also better weapon drops. That is why optional areas are not simply good or bad. They change timing.
In normal levels, your first objective is to make the room readable. Clear immediate shooters, watch enemy angles, then open space for movement. Once the portal appears, take a breath. Pickups and rads are pulled toward you, but hazards can still matter around the portal spawn.
Area progression matters because odd-numbered regions build to boss fights, while even-numbered regions are shorter transitions. Boss-ending areas are not the place to test a weapon you barely understand. Enter with ammo, a backup plan, and enough distance to read the opening pattern.
Looping and secret areas belong to later practice. The first big improvement is reaching more areas with ordinary fundamentals: smart weapon pairs, fewer panic shots, cleaner portal entries, and mutation choices that match your actual run.
Crowns, Dailies, and Custom Runs
Crowns are advanced modifiers found through Crown Vault play. They last for the current run unless unlocked as starting options, and one Crown replaces another instead of stacking. A Crown can make a run more interesting, but the extra conditions are meaningful. If you take one, play around it immediately.
Dailies and weeklies are best treated as separate disciplines. A daily is one shared-seed attempt, so do not use it as your first run after a break. Weeklies give a custom setup, so your opening plan should come from that loadout rather than your favorite normal-mode character.
Custom mode is excellent for training. Use it to practice crowded rooms, co-op revives, widescreen and frame-rate comfort, or a weapon category that keeps getting you killed. Just remember that a tuned challenge run is not the same as the normal unlock path.
Common Mistakes to Avoid
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Do not sprint after rads through live enemies - Clear the immediate threat before collecting.
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Do not carry two weapons that fight for the same ammo - A single drought can leave both slots weak.
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Do not pick mutations for a weapon you do not have - Build around the run in front of you.
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Do not test new weapons during a crowded fight - Learn reloads and ammo costs after the room is safe.
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Do not stand beside explosive props when the portal opens - End-of-level chaos can still kill you.
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Do not treat Crowns as simple upgrades - Their modifiers can reshape the whole run.
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Do not force secret areas before learning main-route survival - Extra difficulty is not useful if fundamentals are shaky.
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Do not spend dailies as warmup attempts - One-attempt modes deserve a normal run first.
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Do not ignore your character’s passive downside - Some mutants are strong because they also add a risk.
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Do not restart without naming the death - Identify the mistake before the next run begins.
Summary
| Category | Top Tip |
|---|---|
| Characters | Learn with readable mutants before chasing secret playstyles |
| Weapons | Carry two slots that solve different ranges or ammo needs |
| Mutations | Pick for your current character, weapon class, and survival problem |
| Pickups | Clear danger before chasing rads, ammo, or weapons |
| Portals | Let hazards settle before the exit pull takes over |
| Secrets | Treat vaults and side areas as risk/reward practice |
| Crowns | Take modifiers only when you can adjust your plan around them |
| Dailies | Warm up before one-attempt shared-seed runs |
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8 checked for this guideEvery factual claim in this guide was checked against at least two independent sources before publication. These are the references used for Nuclear Throne.
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